./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.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_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 91f73b42c8fe3db55fbb7a7497120df3b9b2fa6084f78fe538d2c182c8caed17 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:39:05,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:39:05,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:39:05,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:39:05,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:39:05,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:39:05,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:39:05,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:39:05,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:39:05,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:39:05,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:39:05,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:39:05,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:39:05,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:39:05,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:39:05,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:39:05,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:39:05,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:39:05,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:39:05,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:39:05,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:39:05,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:39:05,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:39:05,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:39:05,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:39:05,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:39:05,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:39:05,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:39:05,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:39:05,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:39:05,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:39:05,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:39:05,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:39:05,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:39:05,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:39:05,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:39:05,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:39:05,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:39:05,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:39:05,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:39:05,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:39:05,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 15:39:05,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:39:05,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:39:05,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:39:05,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:39:05,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:39:05,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:39:05,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:39:05,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:39:05,381 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:39:05,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:39:05,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:39:05,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:39:05,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:39:05,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:39:05,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:39:05,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:39:05,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:39:05,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:39:05,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:39:05,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:39:05,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:39:05,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:39:05,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:39:05,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:39:05,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:39:05,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:39:05,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:39:05,384 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:39:05,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:39:05,385 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:39:05,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:39:05,385 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:39:05,385 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91f73b42c8fe3db55fbb7a7497120df3b9b2fa6084f78fe538d2c182c8caed17 [2022-12-13 15:39:05,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:39:05,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:39:05,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:39:05,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:39:05,598 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:39:05,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-12-13 15:39:08,222 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:39:08,676 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:39:08,676 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-12-13 15:39:08,717 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/data/d6960efb7/1a1cb1beb37d46ef980d9683b511c888/FLAGb26b07e6c [2022-12-13 15:39:08,731 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/data/d6960efb7/1a1cb1beb37d46ef980d9683b511c888 [2022-12-13 15:39:08,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:39:08,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:39:08,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:39:08,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:39:08,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:39:08,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:39:08" (1/1) ... [2022-12-13 15:39:08,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:08, skipping insertion in model container [2022-12-13 15:39:08,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:39:08" (1/1) ... [2022-12-13 15:39:08,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:39:08,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:39:09,653 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-12-13 15:39:09,664 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-12-13 15:39:09,707 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:39:09,733 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-13 15:39:09,747 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:39:09,770 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-13 15:39:09,855 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 15:39:09,958 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-13 15:39:10,079 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:10,155 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:39:10,158 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:39:10,158 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 15:39:10,166 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 15:39:10,175 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 15:39:10,182 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 15:39:10,188 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 15:39:10,195 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 15:39:10,201 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-13 15:39:10,231 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 15:39:10,239 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:39:10,241 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 15:39:10,250 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-13 15:39:10,351 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 15:39:10,367 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:39:10,440 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 15:39:10,451 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:39:10,452 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:39:10,464 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:39:10,554 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 15:39:10,565 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 15:39:10,566 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 15:39:10,577 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:39:10,577 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:39:10,601 WARN L623 FunctionHandler]: Unknown extern function dql_completed [2022-12-13 15:39:10,612 WARN L623 FunctionHandler]: Unknown extern function dql_reset [2022-12-13 15:39:10,632 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 15:39:10,689 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:10,689 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:10,690 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:10,690 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:10,690 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-13 15:39:10,703 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:10,703 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:10,704 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:10,704 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:10,704 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-13 15:39:10,798 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 15:39:10,804 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-13 15:39:10,907 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 15:39:10,984 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 15:39:11,166 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:39:11,166 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 15:39:11,166 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:11,173 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:39:11,173 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 15:39:11,173 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:11,192 WARN L623 FunctionHandler]: Unknown extern function pci_pme_capable [2022-12-13 15:39:11,373 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,373 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 15:39:11,408 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:39:11,417 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:39:11,449 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 15:39:11,451 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:39:11,466 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:39:11,494 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:39:11,495 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:39:11,503 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-13 15:39:11,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:39:11,510 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-13 15:39:11,518 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:11,526 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:39:11,527 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:11,557 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:11,565 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,566 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 15:39:11,566 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:39:11,574 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:11,595 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:11,596 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 15:39:11,610 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 15:39:11,610 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:11,617 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:39:11,618 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:11,629 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:11,629 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:11,638 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:11,652 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:11,653 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:11,660 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-13 15:39:11,661 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 15:39:11,662 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-13 15:39:11,663 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-12-13 15:39:11,675 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 15:39:11,689 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 15:39:11,689 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:39:11,696 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:11,698 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,699 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:11,710 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 15:39:11,711 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-12-13 15:39:11,724 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 15:39:11,747 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 15:39:11,749 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,749 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:39:11,757 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,758 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:11,758 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,758 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:11,759 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,759 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:11,759 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,760 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:11,760 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,760 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:11,761 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,762 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:11,769 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,769 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:11,770 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,770 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:11,777 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:11,784 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:11,792 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:11,799 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:11,799 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-12-13 15:39:11,805 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:11,805 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 15:39:11,814 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 15:39:11,846 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:11,848 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:11,856 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:39:11,868 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 15:39:11,874 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:11,874 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-12-13 15:39:11,874 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 15:39:11,880 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 15:39:11,881 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:39:11,894 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:39:11,894 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:39:11,912 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-13 15:39:11,940 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:39:11,941 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:39:11,942 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:39:12,000 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 15:39:12,001 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-13 15:39:12,104 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,105 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:39:12,105 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:39:12,123 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-13 15:39:12,129 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-13 15:39:12,137 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:12,138 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:12,152 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,153 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 15:39:12,153 WARN L623 FunctionHandler]: Unknown extern function pci_read_vpd [2022-12-13 15:39:12,153 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 15:39:12,154 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,154 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,155 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,156 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 15:39:12,157 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 15:39:12,157 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,158 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:39:12,165 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,165 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,165 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,166 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 15:39:12,166 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 15:39:12,167 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,167 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 15:39:12,168 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,169 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,170 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,171 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,171 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,171 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,172 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,172 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,172 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,173 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,173 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-13 15:39:12,174 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:12,181 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 15:39:12,188 WARN L623 FunctionHandler]: Unknown extern function debugfs_rename [2022-12-13 15:39:12,188 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:12,189 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-13 15:39:12,189 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 15:39:12,195 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:39:12,201 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-13 15:39:12,208 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:39:12,216 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:12,222 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:39:12,228 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:39:12,229 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,230 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:39:12,230 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:39:12,230 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:39:12,231 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:39:12,240 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 15:39:12,246 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 15:39:12,246 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,247 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,247 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,247 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 15:39:12,248 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,248 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 15:39:12,249 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,249 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,250 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 15:39:12,250 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 15:39:12,251 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,252 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:39:12,252 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-13 15:39:12,252 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 15:39:12,253 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 15:39:12,253 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,253 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:39:12,253 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,254 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 15:39:12,254 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 15:39:12,254 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 15:39:12,255 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 15:39:12,255 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 15:39:12,255 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:39:12,255 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 15:39:12,255 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:39:12,262 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 15:39:12,262 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 15:39:12,263 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 15:39:12,263 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:39:12,263 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 15:39:12,263 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:39:12,269 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 15:39:12,270 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:39:12,270 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:39:12,276 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,277 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:39:12,277 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:39:12,277 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:12,277 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:39:12,284 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-12-13 15:39:12,285 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 15:39:12,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:39:12,839 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 15:39:12,842 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:39:12,844 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 15:39:12,847 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 15:39:12,847 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 15:39:12,847 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 15:39:12,849 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 15:39:12,849 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 15:39:12,850 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 15:39:12,850 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 15:39:12,860 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 15:39:12,865 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 15:39:12,871 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 15:39:12,873 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 15:39:12,874 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 15:39:12,881 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 15:39:12,881 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:39:12,882 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:39:12,882 WARN L623 FunctionHandler]: Unknown extern function register_netdevice_notifier [2022-12-13 15:39:12,883 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_notifier [2022-12-13 15:39:12,883 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 15:39:12,884 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 15:39:12,884 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 15:39:12,885 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 15:39:12,885 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:39:12,885 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:39:12,885 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:39:12,885 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:39:12,886 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 15:39:12,886 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:39:12,886 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 15:39:12,886 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:39:12,887 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 15:39:12,887 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 15:39:12,887 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 15:39:12,931 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 15:39:12,931 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:39:12,942 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:39:13,663 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_1317e93a-586f-407e-a006-c12c4dbba6a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583669,583682] [2022-12-13 15:39:13,666 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_1317e93a-586f-407e-a006-c12c4dbba6a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583838,583851] [2022-12-13 15:39:13,667 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_1317e93a-586f-407e-a006-c12c4dbba6a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584005,584018] [2022-12-13 15:39:13,667 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_1317e93a-586f-407e-a006-c12c4dbba6a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584173,584186] [2022-12-13 15:39:13,668 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:13,669 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:13,670 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:13,671 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:13,682 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:13,683 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:13,683 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:13,690 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:13,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:39:13,769 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:39:13,832 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-12-13 15:39:13,832 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-12-13 15:39:13,832 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:39:13,833 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-13 15:39:13,833 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:39:13,833 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-13 15:39:13,834 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 15:39:13,835 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-13 15:39:13,837 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:13,840 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:39:13,841 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:39:13,841 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 15:39:13,842 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 15:39:13,842 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 15:39:13,843 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 15:39:13,844 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 15:39:13,845 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 15:39:13,845 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-13 15:39:13,846 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 15:39:13,847 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:39:13,847 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 15:39:13,848 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-13 15:39:13,850 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 15:39:13,851 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 15:39:13,852 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 15:39:13,853 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:39:13,853 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:39:13,853 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:39:13,854 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 15:39:13,855 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 15:39:13,855 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 15:39:13,855 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:39:13,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:39:13,857 WARN L623 FunctionHandler]: Unknown extern function dql_completed [2022-12-13 15:39:13,857 WARN L623 FunctionHandler]: Unknown extern function dql_reset [2022-12-13 15:39:13,857 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 15:39:13,858 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:13,859 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:13,859 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:13,859 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:13,859 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-13 15:39:13,860 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:13,861 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:13,861 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:13,861 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 15:39:13,861 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-13 15:39:13,862 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 15:39:13,863 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-13 15:39:13,866 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 15:39:13,867 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 15:39:13,873 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:39:13,873 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 15:39:13,873 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:13,874 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:39:13,874 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 15:39:13,875 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:13,877 WARN L623 FunctionHandler]: Unknown extern function pci_pme_capable [2022-12-13 15:39:13,924 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:13,925 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 15:39:13,934 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 15:39:13,936 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:39:13,942 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 15:39:13,942 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 15:39:13,948 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:39:13,957 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:39:13,957 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:39:13,960 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-13 15:39:13,961 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 15:39:13,962 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-13 15:39:13,963 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:13,965 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:39:13,966 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:13,970 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:13,975 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:13,976 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 15:39:13,976 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:39:13,978 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:13,984 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:13,985 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 15:39:13,988 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 15:39:13,989 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:13,992 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:39:13,992 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:13,994 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:13,995 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:14,008 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:14,013 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:14,014 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:14,018 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-13 15:39:14,019 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 15:39:14,019 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-13 15:39:14,020 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-12-13 15:39:14,024 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 15:39:14,030 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 15:39:14,031 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:39:14,032 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:14,034 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:14,034 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:14,035 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 15:39:14,036 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-12-13 15:39:14,038 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-12-13 15:39:14,049 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 15:39:14,050 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:14,051 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:39:14,052 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:14,052 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:14,052 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:14,053 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:14,053 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:14,053 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:14,054 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:14,054 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:14,054 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:14,055 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:14,055 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:14,055 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:39:14,057 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:14,057 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,058 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:14,058 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,059 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:14,061 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,065 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:14,067 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:14,068 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-12-13 15:39:14,068 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 15:39:14,069 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 15:39:14,071 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 15:39:14,075 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,076 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,078 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:39:14,082 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 15:39:14,083 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:14,083 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-12-13 15:39:14,083 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 15:39:14,083 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 15:39:14,084 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:39:14,085 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:39:14,085 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:39:14,096 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-13 15:39:14,103 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:39:14,103 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:39:14,104 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:39:14,110 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 15:39:14,110 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-13 15:39:14,135 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,135 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:39:14,135 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:39:14,137 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-13 15:39:14,138 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-13 15:39:14,142 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:14,142 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:14,145 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,145 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 15:39:14,146 WARN L623 FunctionHandler]: Unknown extern function pci_read_vpd [2022-12-13 15:39:14,146 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 15:39:14,146 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,146 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,146 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,147 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 15:39:14,147 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 15:39:14,147 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,148 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:39:14,149 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,149 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,150 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,150 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 15:39:14,150 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 15:39:14,150 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,151 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 15:39:14,151 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,151 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,152 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,152 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,152 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,152 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,153 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,153 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,153 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,153 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,153 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-13 15:39:14,154 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 15:39:14,154 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 15:39:14,156 WARN L623 FunctionHandler]: Unknown extern function debugfs_rename [2022-12-13 15:39:14,156 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-13 15:39:14,157 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-13 15:39:14,157 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 15:39:14,157 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 15:39:14,158 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-13 15:39:14,160 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:39:14,161 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:39:14,161 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:39:14,162 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:39:14,162 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,163 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:39:14,163 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:39:14,163 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:39:14,163 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:39:14,165 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 15:39:14,165 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 15:39:14,166 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,166 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,166 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,166 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 15:39:14,167 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,167 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 15:39:14,167 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,167 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,168 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 15:39:14,168 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-13 15:39:14,168 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,169 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:39:14,169 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-13 15:39:14,169 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 15:39:14,169 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 15:39:14,169 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,169 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:39:14,170 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,170 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 15:39:14,170 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 15:39:14,170 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 15:39:14,171 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 15:39:14,171 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 15:39:14,171 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:39:14,171 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 15:39:14,171 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:39:14,172 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 15:39:14,172 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 15:39:14,173 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 15:39:14,173 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:39:14,173 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 15:39:14,173 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:39:14,173 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 15:39:14,174 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:39:14,174 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:39:14,174 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,174 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-13 15:39:14,175 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-13 15:39:14,175 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:39:14,175 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:39:14,175 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-12-13 15:39:14,175 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 15:39:14,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:39:14,181 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 15:39:14,182 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:39:14,183 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 15:39:14,185 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 15:39:14,185 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 15:39:14,185 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 15:39:14,186 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 15:39:14,187 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 15:39:14,187 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 15:39:14,187 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 15:39:14,193 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 15:39:14,196 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 15:39:14,206 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 15:39:14,208 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 15:39:14,208 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 15:39:14,210 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 15:39:14,211 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:39:14,211 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:39:14,211 WARN L623 FunctionHandler]: Unknown extern function register_netdevice_notifier [2022-12-13 15:39:14,211 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_notifier [2022-12-13 15:39:14,212 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 15:39:14,212 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 15:39:14,212 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 15:39:14,213 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 15:39:14,213 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:39:14,213 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:39:14,213 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:39:14,213 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:39:14,213 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 15:39:14,214 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:39:14,214 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 15:39:14,214 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:39:14,214 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 15:39:14,214 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 15:39:14,214 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 15:39:14,216 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 15:39:14,216 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:39:14,216 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:39:14,229 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_1317e93a-586f-407e-a006-c12c4dbba6a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583669,583682] [2022-12-13 15:39:14,230 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_1317e93a-586f-407e-a006-c12c4dbba6a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583838,583851] [2022-12-13 15:39:14,230 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_1317e93a-586f-407e-a006-c12c4dbba6a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584005,584018] [2022-12-13 15:39:14,230 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_1317e93a-586f-407e-a006-c12c4dbba6a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584173,584186] [2022-12-13 15:39:14,231 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:14,232 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:14,232 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:14,233 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:14,233 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:14,242 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:14,243 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:14,244 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 15:39:14,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:39:14,546 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:39:14,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14 WrapperNode [2022-12-13 15:39:14,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:39:14,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:39:14,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:39:14,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:39:14,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (1/1) ... [2022-12-13 15:39:14,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (1/1) ... [2022-12-13 15:39:14,857 INFO L138 Inliner]: procedures = 798, calls = 5658, calls flagged for inlining = 404, calls inlined = 343, statements flattened = 11101 [2022-12-13 15:39:14,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:39:14,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:39:14,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:39:14,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:39:14,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (1/1) ... [2022-12-13 15:39:14,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (1/1) ... [2022-12-13 15:39:14,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (1/1) ... [2022-12-13 15:39:14,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (1/1) ... [2022-12-13 15:39:15,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (1/1) ... [2022-12-13 15:39:15,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (1/1) ... [2022-12-13 15:39:15,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (1/1) ... [2022-12-13 15:39:15,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (1/1) ... [2022-12-13 15:39:15,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:39:15,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:39:15,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:39:15,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:39:15,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (1/1) ... [2022-12-13 15:39:15,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:39:15,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:39:15,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:39:15,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:39:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 15:39:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 15:39:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-12-13 15:39:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-12-13 15:39:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-12-13 15:39:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-12-13 15:39:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-12-13 15:39:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-12-13 15:39:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 15:39:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 15:39:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-12-13 15:39:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-12-13 15:39:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-12-13 15:39:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-12-13 15:39:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 15:39:15,246 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 15:39:15,246 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-12-13 15:39:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-12-13 15:39:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-13 15:39:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-13 15:39:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-12-13 15:39:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-12-13 15:39:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-13 15:39:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-13 15:39:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-12-13 15:39:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-12-13 15:39:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-12-13 15:39:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-12-13 15:39:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-13 15:39:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-13 15:39:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 15:39:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 15:39:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-12-13 15:39:15,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-12-13 15:39:15,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-12-13 15:39:15,248 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-12-13 15:39:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 15:39:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-12-13 15:39:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-13 15:39:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-13 15:39:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 15:39:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-12-13 15:39:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-12-13 15:39:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 15:39:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-12-13 15:39:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-12-13 15:39:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-12-13 15:39:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-12-13 15:39:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-12-13 15:39:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-12-13 15:39:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-12-13 15:39:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-12-13 15:39:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 15:39:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 15:39:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 15:39:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 15:39:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 15:39:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 15:39:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-12-13 15:39:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-12-13 15:39:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-12-13 15:39:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-12-13 15:39:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-12-13 15:39:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-12-13 15:39:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-12-13 15:39:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-12-13 15:39:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 15:39:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-12-13 15:39:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 15:39:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-12-13 15:39:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 15:39:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-12-13 15:39:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:39:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-12-13 15:39:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 15:39:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-12-13 15:39:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-13 15:39:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 15:39:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-13 15:39:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-13 15:39:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-12-13 15:39:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 15:39:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-13 15:39:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-13 15:39:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-12-13 15:39:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-12-13 15:39:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2022-12-13 15:39:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-12-13 15:39:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-12-13 15:39:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-12-13 15:39:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 15:39:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 15:39:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2022-12-13 15:39:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2022-12-13 15:39:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-12-13 15:39:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 15:39:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 15:39:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-12-13 15:39:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-13 15:39:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2022-12-13 15:39:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 15:39:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 15:39:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-12-13 15:39:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-12-13 15:39:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-12-13 15:39:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-12-13 15:39:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-13 15:39:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 15:39:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-12-13 15:39:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-12-13 15:39:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-12-13 15:39:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 15:39:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-12-13 15:39:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 15:39:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-13 15:39:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 15:39:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-12-13 15:39:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-12-13 15:39:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-12-13 15:39:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-12-13 15:39:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-12-13 15:39:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-12-13 15:39:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 15:39:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 15:39:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-12-13 15:39:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-12-13 15:39:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-12-13 15:39:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-12-13 15:39:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-12-13 15:39:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-12-13 15:39:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-12-13 15:39:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-12-13 15:39:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 15:39:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-12-13 15:39:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-13 15:39:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-12-13 15:39:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-13 15:39:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-12-13 15:39:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-12-13 15:39:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-12-13 15:39:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 15:39:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-13 15:39:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-13 15:39:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-12-13 15:39:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-12-13 15:39:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-12-13 15:39:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-12-13 15:39:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-12-13 15:39:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-12-13 15:39:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 15:39:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 15:39:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-12-13 15:39:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-12-13 15:39:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:39:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-12-13 15:39:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-12-13 15:39:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 15:39:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 15:39:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-12-13 15:39:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-12-13 15:39:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2022-12-13 15:39:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2022-12-13 15:39:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-13 15:39:16,229 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:39:16,233 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:39:16,323 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 15:39:25,184 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:39:25,204 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:39:25,205 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-12-13 15:39:25,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:39:25 BoogieIcfgContainer [2022-12-13 15:39:25,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:39:25,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:39:25,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:39:25,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:39:25,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:39:08" (1/3) ... [2022-12-13 15:39:25,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451d3696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:39:25, skipping insertion in model container [2022-12-13 15:39:25,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:14" (2/3) ... [2022-12-13 15:39:25,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451d3696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:39:25, skipping insertion in model container [2022-12-13 15:39:25,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:39:25" (3/3) ... [2022-12-13 15:39:25,215 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-12-13 15:39:25,229 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:39:25,229 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 15:39:25,318 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:39:25,322 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@57b318a7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:39:25,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 15:39:25,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 3852 states, 2488 states have (on average 1.2704983922829582) internal successors, (3161), 2595 states have internal predecessors, (3161), 1154 states have call successors, (1154), 208 states have call predecessors, (1154), 207 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-13 15:39:25,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-13 15:39:25,342 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:25,343 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:39:25,343 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:39:25,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:25,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1737332956, now seen corresponding path program 1 times [2022-12-13 15:39:25,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:39:25,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347946464] [2022-12-13 15:39:25,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:25,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:39:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:26,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:39:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:39:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:39:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:39:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:39:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:39:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:26,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:39:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:26,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:39:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:26,572 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 15:39:26,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:39:26,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347946464] [2022-12-13 15:39:26,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347946464] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:39:26,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:39:26,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:39:26,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698132616] [2022-12-13 15:39:26,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:39:26,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:39:26,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:39:26,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:39:26,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:39:26,605 INFO L87 Difference]: Start difference. First operand has 3852 states, 2488 states have (on average 1.2704983922829582) internal successors, (3161), 2595 states have internal predecessors, (3161), 1154 states have call successors, (1154), 208 states have call predecessors, (1154), 207 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 15:39:35,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:39:35,314 INFO L93 Difference]: Finished difference Result 7925 states and 11462 transitions. [2022-12-13 15:39:35,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:39:35,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2022-12-13 15:39:35,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:39:35,350 INFO L225 Difference]: With dead ends: 7925 [2022-12-13 15:39:35,350 INFO L226 Difference]: Without dead ends: 4144 [2022-12-13 15:39:35,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:39:35,376 INFO L413 NwaCegarLoop]: 3560 mSDtfsCounter, 5510 mSDsluCounter, 7937 mSDsCounter, 0 mSdLazyCounter, 7711 mSolverCounterSat, 2892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6100 SdHoareTripleChecker+Valid, 11497 SdHoareTripleChecker+Invalid, 10603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2892 IncrementalHoareTripleChecker+Valid, 7711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:39:35,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6100 Valid, 11497 Invalid, 10603 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2892 Valid, 7711 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-12-13 15:39:35,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4144 states. [2022-12-13 15:39:35,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4144 to 3822. [2022-12-13 15:39:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3822 states, 2456 states have (on average 1.2504071661237786) internal successors, (3071), 2560 states have internal predecessors, (3071), 1149 states have call successors, (1149), 215 states have call predecessors, (1149), 214 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-13 15:39:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 5366 transitions. [2022-12-13 15:39:35,630 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 5366 transitions. Word has length 62 [2022-12-13 15:39:35,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:39:35,631 INFO L495 AbstractCegarLoop]: Abstraction has 3822 states and 5366 transitions. [2022-12-13 15:39:35,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 15:39:35,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 5366 transitions. [2022-12-13 15:39:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-13 15:39:35,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:35,634 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-12-13 15:39:35,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:39:35,634 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:39:35,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:35,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1019246854, now seen corresponding path program 1 times [2022-12-13 15:39:35,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:39:35,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290485250] [2022-12-13 15:39:35,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:35,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:39:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:39:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:36,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:39:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:39:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:36,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:39:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:39:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:39:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:36,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:39:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:36,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:39:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:36,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 15:39:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 15:39:36,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:39:36,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290485250] [2022-12-13 15:39:36,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290485250] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:39:36,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:39:36,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:39:36,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633423754] [2022-12-13 15:39:36,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:39:36,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:39:36,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:39:36,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:39:36,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:39:36,406 INFO L87 Difference]: Start difference. First operand 3822 states and 5366 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 15:39:44,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:39:44,328 INFO L93 Difference]: Finished difference Result 4148 states and 5900 transitions. [2022-12-13 15:39:44,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:39:44,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2022-12-13 15:39:44,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:39:44,347 INFO L225 Difference]: With dead ends: 4148 [2022-12-13 15:39:44,347 INFO L226 Difference]: Without dead ends: 4146 [2022-12-13 15:39:44,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:39:44,350 INFO L413 NwaCegarLoop]: 3540 mSDtfsCounter, 5469 mSDsluCounter, 7893 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6080 SdHoareTripleChecker+Valid, 11433 SdHoareTripleChecker+Invalid, 10442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2876 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:39:44,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6080 Valid, 11433 Invalid, 10442 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2876 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-12-13 15:39:44,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4146 states. [2022-12-13 15:39:44,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4146 to 3826. [2022-12-13 15:39:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 2459 states have (on average 1.250101667344449) internal successors, (3074), 2563 states have internal predecessors, (3074), 1149 states have call successors, (1149), 216 states have call predecessors, (1149), 215 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-13 15:39:44,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 5369 transitions. [2022-12-13 15:39:44,500 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 5369 transitions. Word has length 67 [2022-12-13 15:39:44,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:39:44,500 INFO L495 AbstractCegarLoop]: Abstraction has 3826 states and 5369 transitions. [2022-12-13 15:39:44,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 15:39:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 5369 transitions. [2022-12-13 15:39:44,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-13 15:39:44,502 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:44,502 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2022-12-13 15:39:44,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:39:44,503 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:39:44,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:44,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1541933916, now seen corresponding path program 1 times [2022-12-13 15:39:44,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:39:44,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872671446] [2022-12-13 15:39:44,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:44,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:39:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:39:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:39:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:45,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:39:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:45,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:39:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:45,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:39:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:45,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:39:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:45,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:39:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:45,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:39:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 15:39:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:39:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 15:39:45,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:39:45,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872671446] [2022-12-13 15:39:45,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872671446] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:39:45,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:39:45,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:39:45,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865923830] [2022-12-13 15:39:45,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:39:45,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:39:45,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:39:45,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:39:45,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:39:45,103 INFO L87 Difference]: Start difference. First operand 3826 states and 5369 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 15:39:51,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:39:51,502 INFO L93 Difference]: Finished difference Result 4152 states and 5903 transitions. [2022-12-13 15:39:51,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:39:51,503 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 72 [2022-12-13 15:39:51,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:39:51,519 INFO L225 Difference]: With dead ends: 4152 [2022-12-13 15:39:51,520 INFO L226 Difference]: Without dead ends: 4150 [2022-12-13 15:39:51,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:39:51,525 INFO L413 NwaCegarLoop]: 3549 mSDtfsCounter, 5466 mSDsluCounter, 7916 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2873 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6072 SdHoareTripleChecker+Valid, 11465 SdHoareTripleChecker+Invalid, 10439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2873 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:39:51,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6072 Valid, 11465 Invalid, 10439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2873 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-13 15:39:51,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4150 states. [2022-12-13 15:39:51,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4150 to 3830. [2022-12-13 15:39:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3830 states, 2462 states have (on average 1.2497969130787978) internal successors, (3077), 2566 states have internal predecessors, (3077), 1149 states have call successors, (1149), 217 states have call predecessors, (1149), 216 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-13 15:39:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3830 states and 5372 transitions. [2022-12-13 15:39:51,685 INFO L78 Accepts]: Start accepts. Automaton has 3830 states and 5372 transitions. Word has length 72 [2022-12-13 15:39:51,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:39:51,685 INFO L495 AbstractCegarLoop]: Abstraction has 3830 states and 5372 transitions. [2022-12-13 15:39:51,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 15:39:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3830 states and 5372 transitions. [2022-12-13 15:39:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 15:39:51,688 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:51,688 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:39:51,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:39:51,688 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:39:51,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:51,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1397712646, now seen corresponding path program 1 times [2022-12-13 15:39:51,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:39:51,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412012734] [2022-12-13 15:39:51,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:51,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:39:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:39:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:39:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:39:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:39:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:39:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:39:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:39:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:39:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 15:39:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:39:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 15:39:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:39:52,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:39:52,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412012734] [2022-12-13 15:39:52,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412012734] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:39:52,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:39:52,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:39:52,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706437027] [2022-12-13 15:39:52,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:39:52,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:39:52,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:39:52,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:39:52,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:39:52,321 INFO L87 Difference]: Start difference. First operand 3830 states and 5372 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 15:39:58,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:39:58,854 INFO L93 Difference]: Finished difference Result 4156 states and 5906 transitions. [2022-12-13 15:39:58,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:39:58,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2022-12-13 15:39:58,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:39:58,868 INFO L225 Difference]: With dead ends: 4156 [2022-12-13 15:39:58,868 INFO L226 Difference]: Without dead ends: 4154 [2022-12-13 15:39:58,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:39:58,871 INFO L413 NwaCegarLoop]: 3545 mSDtfsCounter, 5468 mSDsluCounter, 7907 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2874 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6075 SdHoareTripleChecker+Valid, 11452 SdHoareTripleChecker+Invalid, 10440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2874 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:39:58,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6075 Valid, 11452 Invalid, 10440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2874 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-12-13 15:39:58,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4154 states. [2022-12-13 15:39:59,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4154 to 3834. [2022-12-13 15:39:59,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3834 states, 2465 states have (on average 1.2494929006085194) internal successors, (3080), 2569 states have internal predecessors, (3080), 1149 states have call successors, (1149), 218 states have call predecessors, (1149), 217 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-13 15:39:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3834 states to 3834 states and 5375 transitions. [2022-12-13 15:39:59,136 INFO L78 Accepts]: Start accepts. Automaton has 3834 states and 5375 transitions. Word has length 77 [2022-12-13 15:39:59,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:39:59,137 INFO L495 AbstractCegarLoop]: Abstraction has 3834 states and 5375 transitions. [2022-12-13 15:39:59,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 15:39:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 3834 states and 5375 transitions. [2022-12-13 15:39:59,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 15:39:59,139 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:39:59,139 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:39:59,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:39:59,140 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)] === [2022-12-13 15:39:59,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:39:59,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1329835484, now seen corresponding path program 1 times [2022-12-13 15:39:59,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:39:59,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691152034] [2022-12-13 15:39:59,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:39:59,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:39:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:39:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:39:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:39:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:39:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:39:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:39:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:39:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:39:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 15:39:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:39:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 15:39:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:39:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:39:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-13 15:39:59,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:39:59,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691152034] [2022-12-13 15:39:59,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691152034] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:39:59,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:39:59,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:39:59,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076679123] [2022-12-13 15:39:59,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:39:59,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:39:59,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:39:59,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:39:59,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:39:59,701 INFO L87 Difference]: Start difference. First operand 3834 states and 5375 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 15:40:06,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:06,986 INFO L93 Difference]: Finished difference Result 4160 states and 5909 transitions. [2022-12-13 15:40:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:40:06,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2022-12-13 15:40:06,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:07,000 INFO L225 Difference]: With dead ends: 4160 [2022-12-13 15:40:07,000 INFO L226 Difference]: Without dead ends: 4158 [2022-12-13 15:40:07,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:40:07,003 INFO L413 NwaCegarLoop]: 3545 mSDtfsCounter, 5468 mSDsluCounter, 7907 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2873 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6075 SdHoareTripleChecker+Valid, 11452 SdHoareTripleChecker+Invalid, 10439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2873 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:07,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6075 Valid, 11452 Invalid, 10439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2873 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-12-13 15:40:07,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4158 states. [2022-12-13 15:40:07,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4158 to 3838. [2022-12-13 15:40:07,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2468 states have (on average 1.2491896272285252) internal successors, (3083), 2572 states have internal predecessors, (3083), 1149 states have call successors, (1149), 219 states have call predecessors, (1149), 218 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-13 15:40:07,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5378 transitions. [2022-12-13 15:40:07,190 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5378 transitions. Word has length 82 [2022-12-13 15:40:07,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:07,191 INFO L495 AbstractCegarLoop]: Abstraction has 3838 states and 5378 transitions. [2022-12-13 15:40:07,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 15:40:07,191 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5378 transitions. [2022-12-13 15:40:07,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-13 15:40:07,193 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:07,194 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:07,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:40:07,194 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)] === [2022-12-13 15:40:07,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:07,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1944378106, now seen corresponding path program 1 times [2022-12-13 15:40:07,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:40:07,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474018047] [2022-12-13 15:40:07,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:07,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:40:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:40:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:40:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:40:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:40:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:40:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:40:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 15:40:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:40:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 15:40:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:40:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:40:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-13 15:40:07,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:40:07,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474018047] [2022-12-13 15:40:07,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474018047] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:07,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:07,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:40:07,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450607122] [2022-12-13 15:40:07,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:07,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:40:07,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:40:07,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:40:07,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:40:07,809 INFO L87 Difference]: Start difference. First operand 3838 states and 5378 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 15:40:15,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:15,014 INFO L93 Difference]: Finished difference Result 4164 states and 5912 transitions. [2022-12-13 15:40:15,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:40:15,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 87 [2022-12-13 15:40:15,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:15,029 INFO L225 Difference]: With dead ends: 4164 [2022-12-13 15:40:15,030 INFO L226 Difference]: Without dead ends: 4162 [2022-12-13 15:40:15,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:40:15,034 INFO L413 NwaCegarLoop]: 3544 mSDtfsCounter, 5469 mSDsluCounter, 7905 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2872 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6076 SdHoareTripleChecker+Valid, 11449 SdHoareTripleChecker+Invalid, 10438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2872 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:15,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6076 Valid, 11449 Invalid, 10438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2872 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-12-13 15:40:15,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4162 states. [2022-12-13 15:40:15,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4162 to 3842. [2022-12-13 15:40:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3842 states, 2471 states have (on average 1.2488870902468636) internal successors, (3086), 2575 states have internal predecessors, (3086), 1149 states have call successors, (1149), 220 states have call predecessors, (1149), 219 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-13 15:40:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5381 transitions. [2022-12-13 15:40:15,229 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5381 transitions. Word has length 87 [2022-12-13 15:40:15,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:15,229 INFO L495 AbstractCegarLoop]: Abstraction has 3842 states and 5381 transitions. [2022-12-13 15:40:15,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 15:40:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5381 transitions. [2022-12-13 15:40:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-13 15:40:15,231 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:15,231 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:15,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:40:15,231 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:40:15,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:15,232 INFO L85 PathProgramCache]: Analyzing trace with hash -367296604, now seen corresponding path program 1 times [2022-12-13 15:40:15,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:40:15,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046692642] [2022-12-13 15:40:15,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:15,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:40:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:40:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:40:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:40:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:40:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:40:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:40:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 15:40:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:40:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 15:40:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:40:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:40:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:40:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:15,744 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-13 15:40:15,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:40:15,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046692642] [2022-12-13 15:40:15,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046692642] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:15,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:15,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:40:15,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427513611] [2022-12-13 15:40:15,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:15,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:40:15,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:40:15,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:40:15,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:40:15,746 INFO L87 Difference]: Start difference. First operand 3842 states and 5381 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 15:40:23,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:23,012 INFO L93 Difference]: Finished difference Result 4168 states and 5915 transitions. [2022-12-13 15:40:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:40:23,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2022-12-13 15:40:23,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:23,029 INFO L225 Difference]: With dead ends: 4168 [2022-12-13 15:40:23,029 INFO L226 Difference]: Without dead ends: 4166 [2022-12-13 15:40:23,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:40:23,032 INFO L413 NwaCegarLoop]: 3541 mSDtfsCounter, 5469 mSDsluCounter, 7896 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2871 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6079 SdHoareTripleChecker+Valid, 11437 SdHoareTripleChecker+Invalid, 10437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2871 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:23,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6079 Valid, 11437 Invalid, 10437 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2871 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-12-13 15:40:23,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4166 states. [2022-12-13 15:40:23,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4166 to 3846. [2022-12-13 15:40:23,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3846 states, 2474 states have (on average 1.2485852869846403) internal successors, (3089), 2578 states have internal predecessors, (3089), 1149 states have call successors, (1149), 221 states have call predecessors, (1149), 220 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-13 15:40:23,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 5384 transitions. [2022-12-13 15:40:23,277 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 5384 transitions. Word has length 92 [2022-12-13 15:40:23,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:23,277 INFO L495 AbstractCegarLoop]: Abstraction has 3846 states and 5384 transitions. [2022-12-13 15:40:23,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 15:40:23,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 5384 transitions. [2022-12-13 15:40:23,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-13 15:40:23,278 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:23,279 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:23,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:40:23,279 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:40:23,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:23,279 INFO L85 PathProgramCache]: Analyzing trace with hash -492811014, now seen corresponding path program 1 times [2022-12-13 15:40:23,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:40:23,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340148883] [2022-12-13 15:40:23,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:23,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:40:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:40:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:40:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:40:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:40:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:40:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:40:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 15:40:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:40:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 15:40:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:40:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:40:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:40:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 15:40:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-12-13 15:40:23,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:40:23,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340148883] [2022-12-13 15:40:23,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340148883] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:23,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:23,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:40:23,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474836475] [2022-12-13 15:40:23,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:23,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:40:23,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:40:23,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:40:23,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:40:23,884 INFO L87 Difference]: Start difference. First operand 3846 states and 5384 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 15:40:31,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:31,593 INFO L93 Difference]: Finished difference Result 4172 states and 5918 transitions. [2022-12-13 15:40:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:40:31,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97 [2022-12-13 15:40:31,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:31,604 INFO L225 Difference]: With dead ends: 4172 [2022-12-13 15:40:31,604 INFO L226 Difference]: Without dead ends: 4170 [2022-12-13 15:40:31,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:40:31,606 INFO L413 NwaCegarLoop]: 3542 mSDtfsCounter, 5469 mSDsluCounter, 7899 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6078 SdHoareTripleChecker+Valid, 11441 SdHoareTripleChecker+Invalid, 10436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2870 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:31,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6078 Valid, 11441 Invalid, 10436 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2870 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-12-13 15:40:31,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4170 states. [2022-12-13 15:40:31,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4170 to 3850. [2022-12-13 15:40:31,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3850 states, 2477 states have (on average 1.2482842147759385) internal successors, (3092), 2581 states have internal predecessors, (3092), 1149 states have call successors, (1149), 222 states have call predecessors, (1149), 221 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-13 15:40:31,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3850 states and 5387 transitions. [2022-12-13 15:40:31,795 INFO L78 Accepts]: Start accepts. Automaton has 3850 states and 5387 transitions. Word has length 97 [2022-12-13 15:40:31,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:31,795 INFO L495 AbstractCegarLoop]: Abstraction has 3850 states and 5387 transitions. [2022-12-13 15:40:31,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 15:40:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3850 states and 5387 transitions. [2022-12-13 15:40:31,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-13 15:40:31,797 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:31,797 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:31,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 15:40:31,797 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:40:31,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:31,797 INFO L85 PathProgramCache]: Analyzing trace with hash 129365432, now seen corresponding path program 1 times [2022-12-13 15:40:31,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:40:31,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418323790] [2022-12-13 15:40:31,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:31,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:40:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:40:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:40:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:40:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:40:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:40:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:40:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:40:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:40:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:40:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:40:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 15:40:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:40:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 15:40:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:40:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 15:40:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-12-13 15:40:32,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:40:32,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418323790] [2022-12-13 15:40:32,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418323790] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:32,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:32,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:40:32,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015488095] [2022-12-13 15:40:32,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:32,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:40:32,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:40:32,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:40:32,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:40:32,366 INFO L87 Difference]: Start difference. First operand 3850 states and 5387 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 15:40:40,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:40,055 INFO L93 Difference]: Finished difference Result 4176 states and 5921 transitions. [2022-12-13 15:40:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:40:40,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 117 [2022-12-13 15:40:40,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:40,069 INFO L225 Difference]: With dead ends: 4176 [2022-12-13 15:40:40,069 INFO L226 Difference]: Without dead ends: 4174 [2022-12-13 15:40:40,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:40:40,071 INFO L413 NwaCegarLoop]: 3543 mSDtfsCounter, 5458 mSDsluCounter, 7902 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2869 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6065 SdHoareTripleChecker+Valid, 11445 SdHoareTripleChecker+Invalid, 10435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2869 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:40,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6065 Valid, 11445 Invalid, 10435 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2869 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-12-13 15:40:40,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2022-12-13 15:40:40,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 3854. [2022-12-13 15:40:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3854 states, 2480 states have (on average 1.247983870967742) internal successors, (3095), 2584 states have internal predecessors, (3095), 1149 states have call successors, (1149), 223 states have call predecessors, (1149), 222 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-13 15:40:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3854 states and 5390 transitions. [2022-12-13 15:40:40,284 INFO L78 Accepts]: Start accepts. Automaton has 3854 states and 5390 transitions. Word has length 117 [2022-12-13 15:40:40,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:40,285 INFO L495 AbstractCegarLoop]: Abstraction has 3854 states and 5390 transitions. [2022-12-13 15:40:40,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 15:40:40,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 5390 transitions. [2022-12-13 15:40:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-13 15:40:40,286 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:40,286 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:40,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 15:40:40,286 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:40:40,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:40,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1571221242, now seen corresponding path program 1 times [2022-12-13 15:40:40,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:40:40,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213344498] [2022-12-13 15:40:40,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:40,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:40:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:40:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:40:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:40:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:40:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:40:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:40:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 15:40:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:40:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 15:40:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:40:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:40:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:40:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 15:40:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:40:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 15:40:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-12-13 15:40:40,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:40:40,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213344498] [2022-12-13 15:40:40,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213344498] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:40,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:40,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:40:40,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663212100] [2022-12-13 15:40:40,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:40,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:40:40,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:40:40,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:40:40,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:40:40,808 INFO L87 Difference]: Start difference. First operand 3854 states and 5390 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 15:40:47,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:47,497 INFO L93 Difference]: Finished difference Result 4261 states and 6000 transitions. [2022-12-13 15:40:47,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:40:47,498 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2022-12-13 15:40:47,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:47,509 INFO L225 Difference]: With dead ends: 4261 [2022-12-13 15:40:47,509 INFO L226 Difference]: Without dead ends: 4259 [2022-12-13 15:40:47,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:40:47,512 INFO L413 NwaCegarLoop]: 3561 mSDtfsCounter, 5116 mSDsluCounter, 8303 mSDsCounter, 0 mSdLazyCounter, 7907 mSolverCounterSat, 2795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5629 SdHoareTripleChecker+Valid, 11864 SdHoareTripleChecker+Invalid, 10702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2795 IncrementalHoareTripleChecker+Valid, 7907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:47,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5629 Valid, 11864 Invalid, 10702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2795 Valid, 7907 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-12-13 15:40:47,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4259 states. [2022-12-13 15:40:47,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4259 to 3937. [2022-12-13 15:40:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3937 states, 2536 states have (on average 1.2440851735015772) internal successors, (3155), 2640 states have internal predecessors, (3155), 1158 states have call successors, (1158), 241 states have call predecessors, (1158), 240 states have return successors, (1155), 1123 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-12-13 15:40:47,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3937 states to 3937 states and 5468 transitions. [2022-12-13 15:40:47,756 INFO L78 Accepts]: Start accepts. Automaton has 3937 states and 5468 transitions. Word has length 107 [2022-12-13 15:40:47,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:47,756 INFO L495 AbstractCegarLoop]: Abstraction has 3937 states and 5468 transitions. [2022-12-13 15:40:47,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 15:40:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3937 states and 5468 transitions. [2022-12-13 15:40:47,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-13 15:40:47,758 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:47,758 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:47,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 15:40:47,758 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:40:47,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:47,758 INFO L85 PathProgramCache]: Analyzing trace with hash -352695644, now seen corresponding path program 1 times [2022-12-13 15:40:47,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:40:47,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664098597] [2022-12-13 15:40:47,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:47,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:40:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:40:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:40:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:40:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:40:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:40:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:40:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 15:40:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:40:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 15:40:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:40:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:40:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:40:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 15:40:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:40:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 15:40:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:40:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:48,304 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-12-13 15:40:48,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:40:48,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664098597] [2022-12-13 15:40:48,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664098597] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:48,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:48,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:40:48,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217969436] [2022-12-13 15:40:48,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:48,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:40:48,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:40:48,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:40:48,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:40:48,306 INFO L87 Difference]: Start difference. First operand 3937 states and 5468 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:40:55,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:55,432 INFO L93 Difference]: Finished difference Result 4263 states and 6002 transitions. [2022-12-13 15:40:55,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:40:55,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 112 [2022-12-13 15:40:55,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:55,442 INFO L225 Difference]: With dead ends: 4263 [2022-12-13 15:40:55,443 INFO L226 Difference]: Without dead ends: 4261 [2022-12-13 15:40:55,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:40:55,444 INFO L413 NwaCegarLoop]: 3547 mSDtfsCounter, 5466 mSDsluCounter, 7910 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2865 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6074 SdHoareTripleChecker+Valid, 11457 SdHoareTripleChecker+Invalid, 10431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2865 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:55,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6074 Valid, 11457 Invalid, 10431 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2865 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-12-13 15:40:55,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2022-12-13 15:40:55,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 3941. [2022-12-13 15:40:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3941 states, 2539 states have (on average 1.2437967703820403) internal successors, (3158), 2643 states have internal predecessors, (3158), 1158 states have call successors, (1158), 242 states have call predecessors, (1158), 241 states have return successors, (1155), 1123 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-12-13 15:40:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 3941 states and 5471 transitions. [2022-12-13 15:40:55,690 INFO L78 Accepts]: Start accepts. Automaton has 3941 states and 5471 transitions. Word has length 112 [2022-12-13 15:40:55,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:55,690 INFO L495 AbstractCegarLoop]: Abstraction has 3941 states and 5471 transitions. [2022-12-13 15:40:55,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:40:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 5471 transitions. [2022-12-13 15:40:55,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-13 15:40:55,692 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:55,692 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:55,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 15:40:55,692 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:40:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:55,692 INFO L85 PathProgramCache]: Analyzing trace with hash 97357286, now seen corresponding path program 1 times [2022-12-13 15:40:55,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:40:55,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781369226] [2022-12-13 15:40:55,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:55,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:40:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:40:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:40:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:40:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:40:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:40:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:40:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:40:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:40:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:40:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:40:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:40:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 15:40:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:40:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 15:40:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:40:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 15:40:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:40:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:40:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:40:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-12-13 15:40:56,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:40:56,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781369226] [2022-12-13 15:40:56,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781369226] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:56,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:56,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:40:56,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845617601] [2022-12-13 15:40:56,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:56,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:40:56,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:40:56,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:40:56,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:40:56,263 INFO L87 Difference]: Start difference. First operand 3941 states and 5471 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 15:41:03,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:03,328 INFO L93 Difference]: Finished difference Result 4267 states and 6005 transitions. [2022-12-13 15:41:03,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:41:03,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2022-12-13 15:41:03,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:03,340 INFO L225 Difference]: With dead ends: 4267 [2022-12-13 15:41:03,340 INFO L226 Difference]: Without dead ends: 4265 [2022-12-13 15:41:03,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:41:03,343 INFO L413 NwaCegarLoop]: 3547 mSDtfsCounter, 5454 mSDsluCounter, 7909 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2864 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6062 SdHoareTripleChecker+Valid, 11456 SdHoareTripleChecker+Invalid, 10430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2864 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:03,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6062 Valid, 11456 Invalid, 10430 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2864 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-12-13 15:41:03,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4265 states. [2022-12-13 15:41:03,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4265 to 3945. [2022-12-13 15:41:03,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3945 states, 2542 states have (on average 1.2435090479937057) internal successors, (3161), 2646 states have internal predecessors, (3161), 1158 states have call successors, (1158), 243 states have call predecessors, (1158), 242 states have return successors, (1155), 1123 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-12-13 15:41:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3945 states and 5474 transitions. [2022-12-13 15:41:03,617 INFO L78 Accepts]: Start accepts. Automaton has 3945 states and 5474 transitions. Word has length 132 [2022-12-13 15:41:03,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:03,618 INFO L495 AbstractCegarLoop]: Abstraction has 3945 states and 5474 transitions. [2022-12-13 15:41:03,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 15:41:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3945 states and 5474 transitions. [2022-12-13 15:41:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 15:41:03,619 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:03,619 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:03,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 15:41:03,620 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:41:03,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:03,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1561204700, now seen corresponding path program 1 times [2022-12-13 15:41:03,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:03,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878980365] [2022-12-13 15:41:03,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:03,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:41:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:41:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:41:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:41:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:41:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:41:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 15:41:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:41:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-12-13 15:41:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:41:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:41:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:41:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 15:41:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:41:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 15:41:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:41:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 15:41:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:41:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,125 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-12-13 15:41:04,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:04,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878980365] [2022-12-13 15:41:04,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878980365] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:04,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:04,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:41:04,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641442877] [2022-12-13 15:41:04,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:04,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:41:04,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:04,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:41:04,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:41:04,126 INFO L87 Difference]: Start difference. First operand 3945 states and 5474 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 15:41:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:11,761 INFO L93 Difference]: Finished difference Result 4271 states and 6008 transitions. [2022-12-13 15:41:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:41:11,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 122 [2022-12-13 15:41:11,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:11,773 INFO L225 Difference]: With dead ends: 4271 [2022-12-13 15:41:11,773 INFO L226 Difference]: Without dead ends: 4269 [2022-12-13 15:41:11,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:41:11,775 INFO L413 NwaCegarLoop]: 3546 mSDtfsCounter, 5465 mSDsluCounter, 7906 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2863 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6075 SdHoareTripleChecker+Valid, 11452 SdHoareTripleChecker+Invalid, 10429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2863 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:11,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6075 Valid, 11452 Invalid, 10429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2863 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-12-13 15:41:11,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4269 states. [2022-12-13 15:41:12,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4269 to 3949. [2022-12-13 15:41:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3949 states, 2545 states have (on average 1.2432220039292732) internal successors, (3164), 2649 states have internal predecessors, (3164), 1158 states have call successors, (1158), 244 states have call predecessors, (1158), 243 states have return successors, (1155), 1123 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-12-13 15:41:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 3949 states and 5477 transitions. [2022-12-13 15:41:12,081 INFO L78 Accepts]: Start accepts. Automaton has 3949 states and 5477 transitions. Word has length 122 [2022-12-13 15:41:12,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:12,081 INFO L495 AbstractCegarLoop]: Abstraction has 3949 states and 5477 transitions. [2022-12-13 15:41:12,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 15:41:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3949 states and 5477 transitions. [2022-12-13 15:41:12,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-13 15:41:12,083 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:12,083 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:12,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 15:41:12,083 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:41:12,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:12,084 INFO L85 PathProgramCache]: Analyzing trace with hash -520333082, now seen corresponding path program 1 times [2022-12-13 15:41:12,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:12,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212058327] [2022-12-13 15:41:12,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:12,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:41:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:41:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:41:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:41:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:41:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:41:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:41:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:41:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:41:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:41:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 15:41:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:41:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 15:41:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:41:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 15:41:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:41:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:41:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:41:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 15:41:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 15:41:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2022-12-13 15:41:12,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:12,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212058327] [2022-12-13 15:41:12,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212058327] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:12,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:12,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:41:12,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312203899] [2022-12-13 15:41:12,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:12,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:41:12,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:12,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:41:12,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:41:12,629 INFO L87 Difference]: Start difference. First operand 3949 states and 5477 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 15:41:20,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:20,485 INFO L93 Difference]: Finished difference Result 4275 states and 6011 transitions. [2022-12-13 15:41:20,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:41:20,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (24), 4 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 142 [2022-12-13 15:41:20,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:20,496 INFO L225 Difference]: With dead ends: 4275 [2022-12-13 15:41:20,496 INFO L226 Difference]: Without dead ends: 4271 [2022-12-13 15:41:20,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:41:20,498 INFO L413 NwaCegarLoop]: 3547 mSDtfsCounter, 5454 mSDsluCounter, 7909 mSDsCounter, 0 mSdLazyCounter, 7566 mSolverCounterSat, 2862 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6062 SdHoareTripleChecker+Valid, 11456 SdHoareTripleChecker+Invalid, 10428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2862 IncrementalHoareTripleChecker+Valid, 7566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:20,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6062 Valid, 11456 Invalid, 10428 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2862 Valid, 7566 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-12-13 15:41:20,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4271 states. [2022-12-13 15:41:20,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4271 to 3951. [2022-12-13 15:41:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3951 states, 2547 states have (on average 1.2426383981154299) internal successors, (3165), 2650 states have internal predecessors, (3165), 1158 states have call successors, (1158), 245 states have call predecessors, (1158), 243 states have return successors, (1155), 1123 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-12-13 15:41:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 3951 states and 5478 transitions. [2022-12-13 15:41:20,809 INFO L78 Accepts]: Start accepts. Automaton has 3951 states and 5478 transitions. Word has length 142 [2022-12-13 15:41:20,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:20,809 INFO L495 AbstractCegarLoop]: Abstraction has 3951 states and 5478 transitions. [2022-12-13 15:41:20,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 15:41:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3951 states and 5478 transitions. [2022-12-13 15:41:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-13 15:41:20,811 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:20,811 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:20,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 15:41:20,811 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:41:20,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:20,811 INFO L85 PathProgramCache]: Analyzing trace with hash -188050632, now seen corresponding path program 1 times [2022-12-13 15:41:20,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:20,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648179846] [2022-12-13 15:41:20,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:20,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:41:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:41:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:41:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:41:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:41:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:41:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:41:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:41:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:41:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 15:41:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 15:41:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:41:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 15:41:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:41:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 15:41:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:41:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:41:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:41:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 15:41:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-12-13 15:41:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:41:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:21,323 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2022-12-13 15:41:21,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:21,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648179846] [2022-12-13 15:41:21,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648179846] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:21,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:21,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:41:21,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738806281] [2022-12-13 15:41:21,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:21,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:41:21,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:21,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:41:21,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:41:21,324 INFO L87 Difference]: Start difference. First operand 3951 states and 5478 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 15:41:27,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:27,714 INFO L93 Difference]: Finished difference Result 4335 states and 6066 transitions. [2022-12-13 15:41:27,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:41:27,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (25), 4 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 147 [2022-12-13 15:41:27,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:27,724 INFO L225 Difference]: With dead ends: 4335 [2022-12-13 15:41:27,724 INFO L226 Difference]: Without dead ends: 4175 [2022-12-13 15:41:27,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:41:27,726 INFO L413 NwaCegarLoop]: 3544 mSDtfsCounter, 5468 mSDsluCounter, 7936 mSDsCounter, 0 mSdLazyCounter, 7646 mSolverCounterSat, 2866 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6069 SdHoareTripleChecker+Valid, 11480 SdHoareTripleChecker+Invalid, 10512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2866 IncrementalHoareTripleChecker+Valid, 7646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:27,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6069 Valid, 11480 Invalid, 10512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2866 Valid, 7646 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-12-13 15:41:27,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4175 states. [2022-12-13 15:41:28,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4175 to 3851. [2022-12-13 15:41:28,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3851 states, 2486 states have (on average 1.245776347546259) internal successors, (3097), 2583 states have internal predecessors, (3097), 1122 states have call successors, (1122), 241 states have call predecessors, (1122), 241 states have return successors, (1122), 1092 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-12-13 15:41:28,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 3851 states and 5341 transitions. [2022-12-13 15:41:28,049 INFO L78 Accepts]: Start accepts. Automaton has 3851 states and 5341 transitions. Word has length 147 [2022-12-13 15:41:28,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:28,049 INFO L495 AbstractCegarLoop]: Abstraction has 3851 states and 5341 transitions. [2022-12-13 15:41:28,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 15:41:28,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3851 states and 5341 transitions. [2022-12-13 15:41:28,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-13 15:41:28,051 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:28,051 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:28,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 15:41:28,051 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)] === [2022-12-13 15:41:28,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:28,051 INFO L85 PathProgramCache]: Analyzing trace with hash -798081841, now seen corresponding path program 1 times [2022-12-13 15:41:28,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:28,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154626028] [2022-12-13 15:41:28,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:28,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:41:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:41:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:41:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:41:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:41:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:41:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:41:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:41:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:41:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:41:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:41:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:41:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:41:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:41:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:41:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 15:41:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:41:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-12-13 15:41:28,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:28,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154626028] [2022-12-13 15:41:28,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154626028] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:28,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:28,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:41:28,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94233149] [2022-12-13 15:41:28,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:28,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:28,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:28,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:28,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:28,434 INFO L87 Difference]: Start difference. First operand 3851 states and 5341 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-12-13 15:41:33,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:33,787 INFO L93 Difference]: Finished difference Result 7940 states and 11119 transitions. [2022-12-13 15:41:33,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:33,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2022-12-13 15:41:33,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:33,798 INFO L225 Difference]: With dead ends: 7940 [2022-12-13 15:41:33,798 INFO L226 Difference]: Without dead ends: 4172 [2022-12-13 15:41:33,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:33,809 INFO L413 NwaCegarLoop]: 3448 mSDtfsCounter, 1652 mSDsluCounter, 4752 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 908 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 8200 SdHoareTripleChecker+Invalid, 5883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 908 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:33,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 8200 Invalid, 5883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [908 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-13 15:41:33,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4172 states. [2022-12-13 15:41:34,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4172 to 3852. [2022-12-13 15:41:34,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3852 states, 2487 states have (on average 1.245677523120225) internal successors, (3098), 2584 states have internal predecessors, (3098), 1122 states have call successors, (1122), 241 states have call predecessors, (1122), 241 states have return successors, (1122), 1092 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-12-13 15:41:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 5342 transitions. [2022-12-13 15:41:34,133 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 5342 transitions. Word has length 155 [2022-12-13 15:41:34,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:34,134 INFO L495 AbstractCegarLoop]: Abstraction has 3852 states and 5342 transitions. [2022-12-13 15:41:34,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-12-13 15:41:34,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 5342 transitions. [2022-12-13 15:41:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-13 15:41:34,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:34,136 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:34,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 15:41:34,136 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:41:34,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:34,137 INFO L85 PathProgramCache]: Analyzing trace with hash -97017263, now seen corresponding path program 1 times [2022-12-13 15:41:34,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:34,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91287840] [2022-12-13 15:41:34,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:34,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:34,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:41:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:41:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:41:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:41:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:41:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:41:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:41:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:41:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:41:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:41:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:41:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:41:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:41:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:41:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:41:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 15:41:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:41:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-12-13 15:41:35,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:35,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91287840] [2022-12-13 15:41:35,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91287840] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:35,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:35,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:41:35,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644198087] [2022-12-13 15:41:35,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:35,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:41:35,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:35,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:41:35,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:41:35,132 INFO L87 Difference]: Start difference. First operand 3852 states and 5342 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:41:42,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:42,134 INFO L93 Difference]: Finished difference Result 4180 states and 5877 transitions. [2022-12-13 15:41:42,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:41:42,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2022-12-13 15:41:42,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:42,144 INFO L225 Difference]: With dead ends: 4180 [2022-12-13 15:41:42,145 INFO L226 Difference]: Without dead ends: 4178 [2022-12-13 15:41:42,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:41:42,146 INFO L413 NwaCegarLoop]: 3439 mSDtfsCounter, 4981 mSDsluCounter, 8007 mSDsCounter, 0 mSdLazyCounter, 7758 mSolverCounterSat, 2710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5480 SdHoareTripleChecker+Valid, 11446 SdHoareTripleChecker+Invalid, 10468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2710 IncrementalHoareTripleChecker+Valid, 7758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:42,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5480 Valid, 11446 Invalid, 10468 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2710 Valid, 7758 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 15:41:42,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4178 states. [2022-12-13 15:41:42,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4178 to 3856. [2022-12-13 15:41:42,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3856 states, 2490 states have (on average 1.2453815261044177) internal successors, (3101), 2587 states have internal predecessors, (3101), 1122 states have call successors, (1122), 242 states have call predecessors, (1122), 242 states have return successors, (1122), 1092 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-12-13 15:41:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3856 states and 5345 transitions. [2022-12-13 15:41:42,451 INFO L78 Accepts]: Start accepts. Automaton has 3856 states and 5345 transitions. Word has length 155 [2022-12-13 15:41:42,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:42,451 INFO L495 AbstractCegarLoop]: Abstraction has 3856 states and 5345 transitions. [2022-12-13 15:41:42,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:41:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3856 states and 5345 transitions. [2022-12-13 15:41:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-13 15:41:42,454 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:42,454 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 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] [2022-12-13 15:41:42,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 15:41:42,455 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:41:42,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:42,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1586378689, now seen corresponding path program 1 times [2022-12-13 15:41:42,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:42,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861124927] [2022-12-13 15:41:42,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:42,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:41:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:41:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:41:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:41:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:41:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:41:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:41:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:41:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:41:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:41:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:41:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:41:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:41:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:41:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:41:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 15:41:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:41:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:41:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 15:41:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:41:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:41:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:41:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:41:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 15:41:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:42,939 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-12-13 15:41:42,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:42,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861124927] [2022-12-13 15:41:42,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861124927] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:42,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:42,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:41:42,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291480024] [2022-12-13 15:41:42,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:42,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:42,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:42,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:42,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:42,940 INFO L87 Difference]: Start difference. First operand 3856 states and 5345 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 15:41:47,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:47,817 INFO L93 Difference]: Finished difference Result 7973 states and 11167 transitions. [2022-12-13 15:41:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:41:47,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 204 [2022-12-13 15:41:47,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:47,828 INFO L225 Difference]: With dead ends: 7973 [2022-12-13 15:41:47,828 INFO L226 Difference]: Without dead ends: 4200 [2022-12-13 15:41:47,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:47,838 INFO L413 NwaCegarLoop]: 3460 mSDtfsCounter, 1671 mSDsluCounter, 4761 mSDsCounter, 0 mSdLazyCounter, 4987 mSolverCounterSat, 912 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2166 SdHoareTripleChecker+Valid, 8221 SdHoareTripleChecker+Invalid, 5899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 912 IncrementalHoareTripleChecker+Valid, 4987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:47,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2166 Valid, 8221 Invalid, 5899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [912 Valid, 4987 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-13 15:41:47,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4200 states. [2022-12-13 15:41:48,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4200 to 3857. [2022-12-13 15:41:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3857 states, 2491 states have (on average 1.2452830188679245) internal successors, (3102), 2588 states have internal predecessors, (3102), 1122 states have call successors, (1122), 242 states have call predecessors, (1122), 242 states have return successors, (1122), 1092 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-12-13 15:41:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5346 transitions. [2022-12-13 15:41:48,175 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5346 transitions. Word has length 204 [2022-12-13 15:41:48,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:48,176 INFO L495 AbstractCegarLoop]: Abstraction has 3857 states and 5346 transitions. [2022-12-13 15:41:48,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 15:41:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5346 transitions. [2022-12-13 15:41:48,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-13 15:41:48,180 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:48,181 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 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] [2022-12-13 15:41:48,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 15:41:48,181 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:41:48,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:48,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1609010943, now seen corresponding path program 1 times [2022-12-13 15:41:48,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:48,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435474803] [2022-12-13 15:41:48,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:48,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:41:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:41:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:41:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:41:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:41:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:41:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:41:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:41:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:41:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:41:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:41:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:41:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:41:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:41:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:41:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 15:41:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:41:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:41:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 15:41:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:41:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:41:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:41:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:41:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 15:41:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:49,205 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-12-13 15:41:49,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:49,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435474803] [2022-12-13 15:41:49,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435474803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:49,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:49,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:41:49,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741479206] [2022-12-13 15:41:49,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:49,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:41:49,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:49,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:41:49,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:41:49,207 INFO L87 Difference]: Start difference. First operand 3857 states and 5346 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 15:41:55,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:55,551 INFO L93 Difference]: Finished difference Result 4186 states and 5882 transitions. [2022-12-13 15:41:55,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:41:55,552 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 204 [2022-12-13 15:41:55,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:55,561 INFO L225 Difference]: With dead ends: 4186 [2022-12-13 15:41:55,561 INFO L226 Difference]: Without dead ends: 4184 [2022-12-13 15:41:55,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:41:55,563 INFO L413 NwaCegarLoop]: 3425 mSDtfsCounter, 5307 mSDsluCounter, 7615 mSDsCounter, 0 mSdLazyCounter, 7542 mSolverCounterSat, 2783 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5874 SdHoareTripleChecker+Valid, 11040 SdHoareTripleChecker+Invalid, 10325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2783 IncrementalHoareTripleChecker+Valid, 7542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:55,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5874 Valid, 11040 Invalid, 10325 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2783 Valid, 7542 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-12-13 15:41:55,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4184 states. [2022-12-13 15:41:55,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4184 to 3861. [2022-12-13 15:41:55,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 2494 states have (on average 1.2445870088211708) internal successors, (3104), 2591 states have internal predecessors, (3104), 1122 states have call successors, (1122), 243 states have call predecessors, (1122), 243 states have return successors, (1122), 1092 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-12-13 15:41:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5348 transitions. [2022-12-13 15:41:55,871 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5348 transitions. Word has length 204 [2022-12-13 15:41:55,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:55,871 INFO L495 AbstractCegarLoop]: Abstraction has 3861 states and 5348 transitions. [2022-12-13 15:41:55,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 15:41:55,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5348 transitions. [2022-12-13 15:41:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-13 15:41:55,875 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:55,875 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 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] [2022-12-13 15:41:55,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 15:41:55,875 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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)] === [2022-12-13 15:41:55,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:55,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1441258229, now seen corresponding path program 1 times [2022-12-13 15:41:55,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:41:55,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437151571] [2022-12-13 15:41:55,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:55,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:41:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:41:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:41:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:41:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:41:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:41:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:41:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:41:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:41:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:41:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:41:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:41:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:41:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:41:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:41:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:41:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 15:41:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:41:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:41:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 15:41:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:41:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:41:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:41:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:41:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 15:41:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 15:41:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:41:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 15:41:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:41:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:41:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:41:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-12-13 15:41:56,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:41:56,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437151571] [2022-12-13 15:41:56,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437151571] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:56,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:56,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 15:41:56,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529213181] [2022-12-13 15:41:56,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:56,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 15:41:56,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:41:56,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 15:41:56,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:41:56,758 INFO L87 Difference]: Start difference. First operand 3861 states and 5348 transitions. Second operand has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 6 states have internal predecessors, (127), 3 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 15:42:04,794 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 [] [2022-12-13 15:42:17,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:17,331 INFO L93 Difference]: Finished difference Result 8400 states and 11886 transitions. [2022-12-13 15:42:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 15:42:17,332 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 6 states have internal predecessors, (127), 3 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) Word has length 242 [2022-12-13 15:42:17,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:17,343 INFO L225 Difference]: With dead ends: 8400 [2022-12-13 15:42:17,343 INFO L226 Difference]: Without dead ends: 4622 [2022-12-13 15:42:17,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2022-12-13 15:42:17,353 INFO L413 NwaCegarLoop]: 2850 mSDtfsCounter, 2900 mSDsluCounter, 16004 mSDsCounter, 0 mSdLazyCounter, 25194 mSolverCounterSat, 3434 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3121 SdHoareTripleChecker+Valid, 18854 SdHoareTripleChecker+Invalid, 28629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3434 IncrementalHoareTripleChecker+Valid, 25194 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:17,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3121 Valid, 18854 Invalid, 28629 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3434 Valid, 25194 Invalid, 1 Unknown, 0 Unchecked, 19.4s Time] [2022-12-13 15:42:17,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4622 states. [2022-12-13 15:42:17,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4622 to 3867. [2022-12-13 15:42:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3867 states, 2498 states have (on average 1.244195356285028) internal successors, (3108), 2593 states have internal predecessors, (3108), 1124 states have call successors, (1124), 243 states have call predecessors, (1124), 243 states have return successors, (1124), 1094 states have call predecessors, (1124), 1124 states have call successors, (1124) [2022-12-13 15:42:17,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 5356 transitions. [2022-12-13 15:42:17,710 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 5356 transitions. Word has length 242 [2022-12-13 15:42:17,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:17,710 INFO L495 AbstractCegarLoop]: Abstraction has 3867 states and 5356 transitions. [2022-12-13 15:42:17,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 6 states have internal predecessors, (127), 3 states have call successors, (39), 4 states have call predecessors, (39), 3 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 15:42:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 5356 transitions. [2022-12-13 15:42:17,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-12-13 15:42:17,714 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:17,715 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 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] [2022-12-13 15:42:17,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 15:42:17,715 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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)] === [2022-12-13 15:42:17,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:17,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1325023532, now seen corresponding path program 1 times [2022-12-13 15:42:17,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:17,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042098858] [2022-12-13 15:42:17,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:17,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:42:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:42:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:42:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:42:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:42:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:42:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:42:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:42:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:42:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:42:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:42:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 15:42:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:42:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:42:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 15:42:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:42:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:42:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:42:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:42:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 15:42:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 15:42:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 15:42:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:42:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:42:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 15:42:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-12-13 15:42:18,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:18,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042098858] [2022-12-13 15:42:18,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042098858] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:18,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:18,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:42:18,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762940628] [2022-12-13 15:42:18,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:18,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:42:18,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:18,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:42:18,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:42:18,504 INFO L87 Difference]: Start difference. First operand 3867 states and 5356 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 15:42:24,484 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 [] [2022-12-13 15:42:33,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:33,511 INFO L93 Difference]: Finished difference Result 4614 states and 6605 transitions. [2022-12-13 15:42:33,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 15:42:33,512 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 246 [2022-12-13 15:42:33,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:33,523 INFO L225 Difference]: With dead ends: 4614 [2022-12-13 15:42:33,523 INFO L226 Difference]: Without dead ends: 4612 [2022-12-13 15:42:33,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-12-13 15:42:33,525 INFO L413 NwaCegarLoop]: 2876 mSDtfsCounter, 2935 mSDsluCounter, 9266 mSDsCounter, 0 mSdLazyCounter, 15560 mSolverCounterSat, 3466 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3152 SdHoareTripleChecker+Valid, 12142 SdHoareTripleChecker+Invalid, 19027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3466 IncrementalHoareTripleChecker+Valid, 15560 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:33,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3152 Valid, 12142 Invalid, 19027 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3466 Valid, 15560 Invalid, 1 Unknown, 0 Unchecked, 14.1s Time] [2022-12-13 15:42:33,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4612 states. [2022-12-13 15:42:33,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4612 to 3867. [2022-12-13 15:42:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3867 states, 2498 states have (on average 1.2433947157726182) internal successors, (3106), 2593 states have internal predecessors, (3106), 1124 states have call successors, (1124), 243 states have call predecessors, (1124), 243 states have return successors, (1124), 1094 states have call predecessors, (1124), 1124 states have call successors, (1124) [2022-12-13 15:42:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 5354 transitions. [2022-12-13 15:42:33,899 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 5354 transitions. Word has length 246 [2022-12-13 15:42:33,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:33,900 INFO L495 AbstractCegarLoop]: Abstraction has 3867 states and 5354 transitions. [2022-12-13 15:42:33,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 15:42:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 5354 transitions. [2022-12-13 15:42:33,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-12-13 15:42:33,908 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:33,908 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 17, 17, 17, 17, 12, 12, 12, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:33,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 15:42:33,908 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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)] === [2022-12-13 15:42:33,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:33,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1988671979, now seen corresponding path program 1 times [2022-12-13 15:42:33,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:33,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526759273] [2022-12-13 15:42:33,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:33,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:42:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:42:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:42:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:42:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:42:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:42:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:42:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:42:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:42:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:42:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:42:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:42:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:42:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 15:42:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 15:42:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 15:42:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:42:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:42:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 15:42:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 15:42:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 15:42:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 15:42:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 15:42:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 15:42:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 15:42:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 15:42:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 15:42:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 15:42:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 15:42:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 15:42:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 15:42:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 15:42:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 15:42:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 15:42:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 15:42:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 15:42:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:42:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-12-13 15:42:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 15:42:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 15:42:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 15:42:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:42:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 15:42:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 15:42:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 15:42:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 15:42:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:34,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 15:42:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 15:42:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:35,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1848 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1842 trivial. 0 not checked. [2022-12-13 15:42:35,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:35,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526759273] [2022-12-13 15:42:35,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526759273] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:35,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317620485] [2022-12-13 15:42:35,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:35,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:35,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:35,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:35,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:42:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:36,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 8500 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:42:36,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:36,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1848 backedges. 660 proven. 0 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2022-12-13 15:42:36,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:42:36,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317620485] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:36,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:42:36,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-12-13 15:42:36,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696831594] [2022-12-13 15:42:36,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:36,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:36,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:36,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:36,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:42:36,586 INFO L87 Difference]: Start difference. First operand 3867 states and 5354 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-13 15:42:36,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:36,944 INFO L93 Difference]: Finished difference Result 7652 states and 10641 transitions. [2022-12-13 15:42:36,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:36,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 612 [2022-12-13 15:42:36,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:36,957 INFO L225 Difference]: With dead ends: 7652 [2022-12-13 15:42:36,957 INFO L226 Difference]: Without dead ends: 3868 [2022-12-13 15:42:36,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 827 GetRequests, 819 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:42:36,969 INFO L413 NwaCegarLoop]: 5176 mSDtfsCounter, 0 mSDsluCounter, 5172 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10348 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:36,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10348 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:36,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3868 states. [2022-12-13 15:42:37,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3868 to 3868. [2022-12-13 15:42:37,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3868 states, 2499 states have (on average 1.2432973189275711) internal successors, (3107), 2594 states have internal predecessors, (3107), 1124 states have call successors, (1124), 243 states have call predecessors, (1124), 243 states have return successors, (1124), 1094 states have call predecessors, (1124), 1124 states have call successors, (1124) [2022-12-13 15:42:37,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3868 states to 3868 states and 5355 transitions. [2022-12-13 15:42:37,326 INFO L78 Accepts]: Start accepts. Automaton has 3868 states and 5355 transitions. Word has length 612 [2022-12-13 15:42:37,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:37,327 INFO L495 AbstractCegarLoop]: Abstraction has 3868 states and 5355 transitions. [2022-12-13 15:42:37,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2022-12-13 15:42:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3868 states and 5355 transitions. [2022-12-13 15:42:37,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-12-13 15:42:37,334 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:37,334 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 17, 17, 17, 17, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:37,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:42:37,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:37,535 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)] === [2022-12-13 15:42:37,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:37,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1895633218, now seen corresponding path program 1 times [2022-12-13 15:42:37,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:37,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566348294] [2022-12-13 15:42:37,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:37,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:42:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:42:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:42:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:42:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:42:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:42:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:42:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:42:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:42:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:42:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:42:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 15:42:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:42:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:42:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 15:42:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:42:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 15:42:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:42:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 15:42:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 15:42:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 15:42:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 15:42:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 15:42:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 15:42:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 15:42:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 15:42:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 15:42:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 15:42:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:42:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 15:42:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:42:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 15:42:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 15:42:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 15:42:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:42:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 15:42:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 15:42:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 15:42:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 15:42:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 15:42:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 15:42:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1591 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1585 trivial. 0 not checked. [2022-12-13 15:42:38,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:38,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566348294] [2022-12-13 15:42:38,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566348294] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:38,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161200140] [2022-12-13 15:42:38,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:38,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:38,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:38,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:38,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 15:42:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:40,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 8306 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:42:40,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1591 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 1313 trivial. 0 not checked. [2022-12-13 15:42:40,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:42:40,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161200140] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:40,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:42:40,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2022-12-13 15:42:40,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857008717] [2022-12-13 15:42:40,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:40,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:40,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:40,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:40,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:42:40,055 INFO L87 Difference]: Start difference. First operand 3868 states and 5355 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-13 15:42:40,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:40,416 INFO L93 Difference]: Finished difference Result 7677 states and 10713 transitions. [2022-12-13 15:42:40,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:40,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 538 [2022-12-13 15:42:40,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:40,426 INFO L225 Difference]: With dead ends: 7677 [2022-12-13 15:42:40,426 INFO L226 Difference]: Without dead ends: 3892 [2022-12-13 15:42:40,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 727 GetRequests, 721 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:42:40,437 INFO L413 NwaCegarLoop]: 5178 mSDtfsCounter, 9 mSDsluCounter, 5172 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 10350 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:40,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 10350 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:40,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3892 states. [2022-12-13 15:42:40,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3892 to 3870. [2022-12-13 15:42:40,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3870 states, 2501 states have (on average 1.2431027588964414) internal successors, (3109), 2596 states have internal predecessors, (3109), 1124 states have call successors, (1124), 243 states have call predecessors, (1124), 243 states have return successors, (1124), 1094 states have call predecessors, (1124), 1124 states have call successors, (1124) [2022-12-13 15:42:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 3870 states and 5357 transitions. [2022-12-13 15:42:40,771 INFO L78 Accepts]: Start accepts. Automaton has 3870 states and 5357 transitions. Word has length 538 [2022-12-13 15:42:40,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:40,771 INFO L495 AbstractCegarLoop]: Abstraction has 3870 states and 5357 transitions. [2022-12-13 15:42:40,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-13 15:42:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 3870 states and 5357 transitions. [2022-12-13 15:42:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-12-13 15:42:40,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:40,778 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:42:40,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 15:42:40,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-12-13 15:42:40,980 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)] === [2022-12-13 15:42:40,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:40,981 INFO L85 PathProgramCache]: Analyzing trace with hash -627453660, now seen corresponding path program 1 times [2022-12-13 15:42:40,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:40,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144531430] [2022-12-13 15:42:40,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:40,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:42:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:42:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:42:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:42:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:42:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:42:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:42:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:42:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:42:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:42:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:42:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:42:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:42:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 15:42:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 15:42:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 15:42:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:42:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:42:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 15:42:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 15:42:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 15:42:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 15:42:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 15:42:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 15:42:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 15:42:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 15:42:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 15:42:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 15:42:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-12-13 15:42:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 15:42:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 15:42:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 15:42:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 15:42:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-12-13 15:42:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 15:42:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 15:42:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:42:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-12-13 15:42:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:42:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:42:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:42:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:42:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 15:42:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 15:42:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 15:42:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 15:42:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:42:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2022-12-13 15:42:41,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:41,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144531430] [2022-12-13 15:42:41,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144531430] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:42:41,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502012080] [2022-12-13 15:42:41,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:41,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:42:41,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:42:41,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:42:41,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 15:42:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:43,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 7987 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:42:43,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:42:43,319 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2022-12-13 15:42:43,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:42:43,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502012080] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:43,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:42:43,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-12-13 15:42:43,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288373462] [2022-12-13 15:42:43,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:43,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:42:43,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:43,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:42:43,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:42:43,321 INFO L87 Difference]: Start difference. First operand 3870 states and 5357 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-12-13 15:42:43,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:43,689 INFO L93 Difference]: Finished difference Result 7667 states and 10812 transitions. [2022-12-13 15:42:43,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:42:43,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 538 [2022-12-13 15:42:43,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:43,699 INFO L225 Difference]: With dead ends: 7667 [2022-12-13 15:42:43,699 INFO L226 Difference]: Without dead ends: 3880 [2022-12-13 15:42:43,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 710 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:42:43,708 INFO L413 NwaCegarLoop]: 5177 mSDtfsCounter, 8 mSDsluCounter, 5172 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 10349 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:43,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 10349 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:42:43,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3880 states. [2022-12-13 15:42:44,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3880 to 3871. [2022-12-13 15:42:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3871 states, 2502 states have (on average 1.243005595523581) internal successors, (3110), 2597 states have internal predecessors, (3110), 1124 states have call successors, (1124), 243 states have call predecessors, (1124), 243 states have return successors, (1124), 1094 states have call predecessors, (1124), 1124 states have call successors, (1124) [2022-12-13 15:42:44,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3871 states to 3871 states and 5358 transitions. [2022-12-13 15:42:44,039 INFO L78 Accepts]: Start accepts. Automaton has 3871 states and 5358 transitions. Word has length 538 [2022-12-13 15:42:44,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:42:44,040 INFO L495 AbstractCegarLoop]: Abstraction has 3871 states and 5358 transitions. [2022-12-13 15:42:44,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 2 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-12-13 15:42:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3871 states and 5358 transitions. [2022-12-13 15:42:44,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 15:42:44,046 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:42:44,046 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 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, 1, 1, 1, 1, 1] [2022-12-13 15:42:44,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 15:42:44,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-12-13 15:42:44,248 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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)] === [2022-12-13 15:42:44,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:42:44,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1426352619, now seen corresponding path program 1 times [2022-12-13 15:42:44,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:42:44,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706082851] [2022-12-13 15:42:44,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:42:44,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:42:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:42:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:42:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:42:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:42:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:42:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:42:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:42:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:42:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:42:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:42:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:42:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:42:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:42:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 15:42:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:42:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:42:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 15:42:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:42:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:42:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:42:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:42:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 15:42:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 15:42:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 15:42:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 15:42:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 15:42:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 15:42:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 15:42:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 15:42:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 15:42:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 15:42:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 15:42:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-12-13 15:42:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 15:42:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 15:42:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 15:42:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:42:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 15:42:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 15:42:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 15:42:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 15:42:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-12-13 15:42:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-12-13 15:42:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-12-13 15:42:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 15:42:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-12-13 15:42:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-12-13 15:42:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:42:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-12-13 15:42:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:42:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-12-13 15:42:44,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:42:44,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706082851] [2022-12-13 15:42:44,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706082851] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:42:44,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:42:44,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:42:44,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112202113] [2022-12-13 15:42:44,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:42:44,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:42:44,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:42:44,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:42:44,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:42:44,886 INFO L87 Difference]: Start difference. First operand 3871 states and 5358 transitions. Second operand has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (65), 5 states have call predecessors, (65), 2 states have return successors, (58), 2 states have call predecessors, (58), 3 states have call successors, (58) [2022-12-13 15:42:51,636 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 [] [2022-12-13 15:43:00,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:43:00,813 INFO L93 Difference]: Finished difference Result 9215 states and 13196 transitions. [2022-12-13 15:43:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 15:43:00,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (65), 5 states have call predecessors, (65), 2 states have return successors, (58), 2 states have call predecessors, (58), 3 states have call successors, (58) Word has length 386 [2022-12-13 15:43:00,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:43:00,826 INFO L225 Difference]: With dead ends: 9215 [2022-12-13 15:43:00,826 INFO L226 Difference]: Without dead ends: 5427 [2022-12-13 15:43:00,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:43:00,836 INFO L413 NwaCegarLoop]: 2483 mSDtfsCounter, 5600 mSDsluCounter, 5835 mSDsCounter, 0 mSdLazyCounter, 11518 mSolverCounterSat, 6162 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6028 SdHoareTripleChecker+Valid, 8318 SdHoareTripleChecker+Invalid, 17681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6162 IncrementalHoareTripleChecker+Valid, 11518 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:43:00,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6028 Valid, 8318 Invalid, 17681 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6162 Valid, 11518 Invalid, 1 Unknown, 0 Unchecked, 14.9s Time] [2022-12-13 15:43:00,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5427 states. [2022-12-13 15:43:01,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5427 to 3872. [2022-12-13 15:43:01,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3872 states, 2503 states have (on average 1.2429085097882542) internal successors, (3111), 2598 states have internal predecessors, (3111), 1124 states have call successors, (1124), 243 states have call predecessors, (1124), 243 states have return successors, (1124), 1094 states have call predecessors, (1124), 1124 states have call successors, (1124) [2022-12-13 15:43:01,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 5359 transitions. [2022-12-13 15:43:01,232 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 5359 transitions. Word has length 386 [2022-12-13 15:43:01,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:43:01,232 INFO L495 AbstractCegarLoop]: Abstraction has 3872 states and 5359 transitions. [2022-12-13 15:43:01,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 3 states have internal predecessors, (167), 3 states have call successors, (65), 5 states have call predecessors, (65), 2 states have return successors, (58), 2 states have call predecessors, (58), 3 states have call successors, (58) [2022-12-13 15:43:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 5359 transitions. [2022-12-13 15:43:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-12-13 15:43:01,239 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:43:01,240 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:01,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 15:43:01,240 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)] === [2022-12-13 15:43:01,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:01,240 INFO L85 PathProgramCache]: Analyzing trace with hash 227195845, now seen corresponding path program 1 times [2022-12-13 15:43:01,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:01,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209500701] [2022-12-13 15:43:01,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:01,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:01,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 15:43:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:01,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:01,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 15:43:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 15:43:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:01,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:43:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:01,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 15:43:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:01,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:43:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 15:43:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 15:43:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:43:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:43:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 15:43:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 15:43:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:43:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:43:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 15:43:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 15:43:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 15:43:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:43:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 15:43:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:43:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:43:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:43:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:43:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 15:43:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 15:43:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 15:43:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 15:43:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 15:43:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 15:43:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 15:43:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 15:43:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 15:43:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 15:43:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 15:43:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-12-13 15:43:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 15:43:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 15:43:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 15:43:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 15:43:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:43:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 15:43:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 15:43:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 15:43:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 15:43:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 15:43:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-12-13 15:43:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 15:43:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-12-13 15:43:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-12-13 15:43:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-12-13 15:43:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-12-13 15:43:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:43:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-12-13 15:43:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2022-12-13 15:43:02,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:02,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209500701] [2022-12-13 15:43:02,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209500701] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:02,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:02,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 15:43:02,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641624253] [2022-12-13 15:43:02,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:02,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 15:43:02,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:02,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 15:43:02,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:43:02,247 INFO L87 Difference]: Start difference. First operand 3872 states and 5359 transitions. Second operand has 8 states, 8 states have (on average 21.25) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (67), 6 states have call predecessors, (67), 2 states have return successors, (60), 2 states have call predecessors, (60), 3 states have call successors, (60) [2022-12-13 15:43:11,390 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 [] [2022-12-13 15:43:22,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:43:22,893 INFO L93 Difference]: Finished difference Result 5490 states and 7973 transitions. [2022-12-13 15:43:22,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 15:43:22,893 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (67), 6 states have call predecessors, (67), 2 states have return successors, (60), 2 states have call predecessors, (60), 3 states have call successors, (60) Word has length 399 [2022-12-13 15:43:22,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:43:22,904 INFO L225 Difference]: With dead ends: 5490 [2022-12-13 15:43:22,904 INFO L226 Difference]: Without dead ends: 5268 [2022-12-13 15:43:22,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2022-12-13 15:43:22,907 INFO L413 NwaCegarLoop]: 2471 mSDtfsCounter, 6046 mSDsluCounter, 9555 mSDsCounter, 0 mSdLazyCounter, 19039 mSolverCounterSat, 6604 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6422 SdHoareTripleChecker+Valid, 12026 SdHoareTripleChecker+Invalid, 25644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6604 IncrementalHoareTripleChecker+Valid, 19039 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:43:22,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6422 Valid, 12026 Invalid, 25644 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6604 Valid, 19039 Invalid, 1 Unknown, 0 Unchecked, 19.3s Time] [2022-12-13 15:43:22,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2022-12-13 15:43:23,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 3730. [2022-12-13 15:43:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3730 states, 2401 states have (on average 1.240316534777176) internal successors, (2978), 2491 states have internal predecessors, (2978), 1077 states have call successors, (1077), 250 states have call predecessors, (1077), 250 states have return successors, (1077), 1049 states have call predecessors, (1077), 1077 states have call successors, (1077) [2022-12-13 15:43:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3730 states and 5132 transitions. [2022-12-13 15:43:23,299 INFO L78 Accepts]: Start accepts. Automaton has 3730 states and 5132 transitions. Word has length 399 [2022-12-13 15:43:23,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:43:23,299 INFO L495 AbstractCegarLoop]: Abstraction has 3730 states and 5132 transitions. [2022-12-13 15:43:23,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (67), 6 states have call predecessors, (67), 2 states have return successors, (60), 2 states have call predecessors, (60), 3 states have call successors, (60) [2022-12-13 15:43:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 5132 transitions. [2022-12-13 15:43:23,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2022-12-13 15:43:23,309 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:43:23,310 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 13, 13, 13, 11, 11, 11, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:23,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 15:43:23,310 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:43:23,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:23,311 INFO L85 PathProgramCache]: Analyzing trace with hash -38271836, now seen corresponding path program 1 times [2022-12-13 15:43:23,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:23,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912641204] [2022-12-13 15:43:23,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:23,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:23,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:23,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912641204] [2022-12-13 15:43:23,562 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 15:43:23,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264868018] [2022-12-13 15:43:23,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:23,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:43:23,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:43:23,563 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:43:23,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 15:43:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:25,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 9683 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:43:25,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:43:25,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2022-12-13 15:43:25,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:43:25,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264868018] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:25,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:25,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:43:25,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131422751] [2022-12-13 15:43:25,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:25,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:25,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:25,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:25,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:25,154 INFO L87 Difference]: Start difference. First operand 3730 states and 5132 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 2 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-12-13 15:43:25,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:43:25,549 INFO L93 Difference]: Finished difference Result 7380 states and 10157 transitions. [2022-12-13 15:43:25,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:25,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 2 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) Word has length 699 [2022-12-13 15:43:25,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:43:25,563 INFO L225 Difference]: With dead ends: 7380 [2022-12-13 15:43:25,564 INFO L226 Difference]: Without dead ends: 3731 [2022-12-13 15:43:25,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:25,575 INFO L413 NwaCegarLoop]: 4878 mSDtfsCounter, 0 mSDsluCounter, 4874 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9752 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:43:25,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9752 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:43:25,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2022-12-13 15:43:25,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 3731. [2022-12-13 15:43:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3731 states, 2402 states have (on average 1.2402164862614489) internal successors, (2979), 2492 states have internal predecessors, (2979), 1077 states have call successors, (1077), 250 states have call predecessors, (1077), 250 states have return successors, (1077), 1049 states have call predecessors, (1077), 1077 states have call successors, (1077) [2022-12-13 15:43:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 3731 states and 5133 transitions. [2022-12-13 15:43:25,962 INFO L78 Accepts]: Start accepts. Automaton has 3731 states and 5133 transitions. Word has length 699 [2022-12-13 15:43:25,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:43:25,962 INFO L495 AbstractCegarLoop]: Abstraction has 3731 states and 5133 transitions. [2022-12-13 15:43:25,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 2 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-12-13 15:43:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3731 states and 5133 transitions. [2022-12-13 15:43:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2022-12-13 15:43:25,971 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:43:25,971 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 13, 13, 13, 11, 11, 11, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:25,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 15:43:26,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-12-13 15:43:26,173 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:43:26,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:26,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1861879258, now seen corresponding path program 1 times [2022-12-13 15:43:26,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:26,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811473096] [2022-12-13 15:43:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:26,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:26,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:26,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811473096] [2022-12-13 15:43:26,435 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 15:43:26,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758912160] [2022-12-13 15:43:26,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:26,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:43:26,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:43:26,436 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:43:26,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 15:43:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:28,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 9686 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:43:28,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:43:28,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1474 trivial. 0 not checked. [2022-12-13 15:43:28,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:43:28,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758912160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:28,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:28,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:43:28,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195373116] [2022-12-13 15:43:28,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:28,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:28,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:28,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:28,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:28,340 INFO L87 Difference]: Start difference. First operand 3731 states and 5133 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-12-13 15:43:28,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:43:28,738 INFO L93 Difference]: Finished difference Result 7382 states and 10156 transitions. [2022-12-13 15:43:28,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:28,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) Word has length 699 [2022-12-13 15:43:28,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:43:28,748 INFO L225 Difference]: With dead ends: 7382 [2022-12-13 15:43:28,748 INFO L226 Difference]: Without dead ends: 3732 [2022-12-13 15:43:28,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:28,756 INFO L413 NwaCegarLoop]: 4878 mSDtfsCounter, 0 mSDsluCounter, 4873 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9751 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:43:28,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9751 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:43:28,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3732 states. [2022-12-13 15:43:29,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3732 to 3732. [2022-12-13 15:43:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3732 states, 2403 states have (on average 1.2401165210153975) internal successors, (2980), 2493 states have internal predecessors, (2980), 1077 states have call successors, (1077), 250 states have call predecessors, (1077), 250 states have return successors, (1077), 1049 states have call predecessors, (1077), 1077 states have call successors, (1077) [2022-12-13 15:43:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 5134 transitions. [2022-12-13 15:43:29,119 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 5134 transitions. Word has length 699 [2022-12-13 15:43:29,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:43:29,119 INFO L495 AbstractCegarLoop]: Abstraction has 3732 states and 5134 transitions. [2022-12-13 15:43:29,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-12-13 15:43:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 5134 transitions. [2022-12-13 15:43:29,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2022-12-13 15:43:29,128 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:43:29,128 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 13, 13, 13, 11, 11, 11, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:29,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 15:43:29,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:43:29,330 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:43:29,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:29,331 INFO L85 PathProgramCache]: Analyzing trace with hash 844740136, now seen corresponding path program 1 times [2022-12-13 15:43:29,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:29,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602840458] [2022-12-13 15:43:29,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:29,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:29,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:29,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602840458] [2022-12-13 15:43:29,595 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 15:43:29,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547439809] [2022-12-13 15:43:29,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:29,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:43:29,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:43:29,596 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:43:29,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 15:43:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:31,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 9689 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 15:43:31,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:43:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1474 trivial. 0 not checked. [2022-12-13 15:43:31,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:43:31,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547439809] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:31,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:31,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:43:31,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118085348] [2022-12-13 15:43:31,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:31,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:43:31,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:31,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:43:31,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:43:31,371 INFO L87 Difference]: Start difference. First operand 3732 states and 5134 transitions. Second operand has 4 states, 4 states have (on average 65.75) internal successors, (263), 4 states have internal predecessors, (263), 2 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-12-13 15:43:31,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:43:31,821 INFO L93 Difference]: Finished difference Result 7386 states and 10160 transitions. [2022-12-13 15:43:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:43:31,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.75) internal successors, (263), 4 states have internal predecessors, (263), 2 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) Word has length 699 [2022-12-13 15:43:31,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:43:31,832 INFO L225 Difference]: With dead ends: 7386 [2022-12-13 15:43:31,832 INFO L226 Difference]: Without dead ends: 3735 [2022-12-13 15:43:31,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:43:31,841 INFO L413 NwaCegarLoop]: 4876 mSDtfsCounter, 3 mSDsluCounter, 9745 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 14621 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:43:31,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 14621 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:43:31,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3735 states. [2022-12-13 15:43:32,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3735 to 3734. [2022-12-13 15:43:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3734 states, 2405 states have (on average 1.2399168399168399) internal successors, (2982), 2495 states have internal predecessors, (2982), 1077 states have call successors, (1077), 250 states have call predecessors, (1077), 250 states have return successors, (1077), 1049 states have call predecessors, (1077), 1077 states have call successors, (1077) [2022-12-13 15:43:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3734 states and 5136 transitions. [2022-12-13 15:43:32,218 INFO L78 Accepts]: Start accepts. Automaton has 3734 states and 5136 transitions. Word has length 699 [2022-12-13 15:43:32,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:43:32,219 INFO L495 AbstractCegarLoop]: Abstraction has 3734 states and 5136 transitions. [2022-12-13 15:43:32,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.75) internal successors, (263), 4 states have internal predecessors, (263), 2 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (93), 2 states have call predecessors, (93), 2 states have call successors, (93) [2022-12-13 15:43:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 5136 transitions. [2022-12-13 15:43:32,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2022-12-13 15:43:32,226 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:43:32,227 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 13, 13, 13, 11, 11, 11, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:32,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 15:43:32,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-12-13 15:43:32,429 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:43:32,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:32,430 INFO L85 PathProgramCache]: Analyzing trace with hash -844203606, now seen corresponding path program 1 times [2022-12-13 15:43:32,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:32,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815497475] [2022-12-13 15:43:32,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:32,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:32,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:32,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815497475] [2022-12-13 15:43:32,719 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 15:43:32,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172770209] [2022-12-13 15:43:32,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:32,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:43:32,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:43:32,721 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:43:32,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 15:43:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:34,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 9692 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 15:43:34,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:43:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2022-12-13 15:43:34,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:43:34,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172770209] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:34,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:34,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:43:34,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529216980] [2022-12-13 15:43:34,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:34,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:34,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:34,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:34,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:34,925 INFO L87 Difference]: Start difference. First operand 3734 states and 5136 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (98), 2 states have call predecessors, (98), 2 states have call successors, (98) [2022-12-13 15:43:35,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:43:35,322 INFO L93 Difference]: Finished difference Result 7387 states and 10158 transitions. [2022-12-13 15:43:35,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:35,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (98), 2 states have call predecessors, (98), 2 states have call successors, (98) Word has length 699 [2022-12-13 15:43:35,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:43:35,331 INFO L225 Difference]: With dead ends: 7387 [2022-12-13 15:43:35,332 INFO L226 Difference]: Without dead ends: 3734 [2022-12-13 15:43:35,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 697 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:35,338 INFO L413 NwaCegarLoop]: 4877 mSDtfsCounter, 4535 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4535 SdHoareTripleChecker+Valid, 4877 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:43:35,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4535 Valid, 4877 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:43:35,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3734 states. [2022-12-13 15:43:35,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3734 to 3734. [2022-12-13 15:43:35,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3734 states, 2405 states have (on average 1.2395010395010395) internal successors, (2981), 2495 states have internal predecessors, (2981), 1077 states have call successors, (1077), 250 states have call predecessors, (1077), 250 states have return successors, (1077), 1049 states have call predecessors, (1077), 1077 states have call successors, (1077) [2022-12-13 15:43:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3734 states and 5135 transitions. [2022-12-13 15:43:35,729 INFO L78 Accepts]: Start accepts. Automaton has 3734 states and 5135 transitions. Word has length 699 [2022-12-13 15:43:35,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:43:35,730 INFO L495 AbstractCegarLoop]: Abstraction has 3734 states and 5135 transitions. [2022-12-13 15:43:35,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 2 states have internal predecessors, (294), 2 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (98), 2 states have call predecessors, (98), 2 states have call successors, (98) [2022-12-13 15:43:35,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 5135 transitions. [2022-12-13 15:43:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2022-12-13 15:43:35,738 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:43:35,738 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 13, 13, 13, 11, 11, 11, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:35,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 15:43:35,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:43:35,940 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:43:35,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:35,942 INFO L85 PathProgramCache]: Analyzing trace with hash -542698897, now seen corresponding path program 1 times [2022-12-13 15:43:35,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:35,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278622452] [2022-12-13 15:43:35,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:35,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:36,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:36,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278622452] [2022-12-13 15:43:36,191 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 15:43:36,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927972635] [2022-12-13 15:43:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:36,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:43:36,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:43:36,193 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:43:36,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 15:43:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:37,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 9712 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 15:43:37,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:43:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2022-12-13 15:43:37,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:43:37,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927972635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:37,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:37,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:43:37,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964549835] [2022-12-13 15:43:37,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:37,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:43:37,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:37,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:43:37,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:43:37,902 INFO L87 Difference]: Start difference. First operand 3734 states and 5135 transitions. Second operand has 5 states, 5 states have (on average 56.0) internal successors, (280), 5 states have internal predecessors, (280), 2 states have call successors, (99), 2 states have call predecessors, (99), 2 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-12-13 15:43:38,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:43:38,678 INFO L93 Difference]: Finished difference Result 7783 states and 10753 transitions. [2022-12-13 15:43:38,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:43:38,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 56.0) internal successors, (280), 5 states have internal predecessors, (280), 2 states have call successors, (99), 2 states have call predecessors, (99), 2 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) Word has length 701 [2022-12-13 15:43:38,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:43:38,691 INFO L225 Difference]: With dead ends: 7783 [2022-12-13 15:43:38,691 INFO L226 Difference]: Without dead ends: 4130 [2022-12-13 15:43:38,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:43:38,698 INFO L413 NwaCegarLoop]: 5257 mSDtfsCounter, 705 mSDsluCounter, 14928 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 20185 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:43:38,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 20185 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 15:43:38,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4130 states. [2022-12-13 15:43:39,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4130 to 3737. [2022-12-13 15:43:39,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3737 states, 2408 states have (on average 1.239202657807309) internal successors, (2984), 2498 states have internal predecessors, (2984), 1077 states have call successors, (1077), 250 states have call predecessors, (1077), 250 states have return successors, (1077), 1049 states have call predecessors, (1077), 1077 states have call successors, (1077) [2022-12-13 15:43:39,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3737 states and 5138 transitions. [2022-12-13 15:43:39,228 INFO L78 Accepts]: Start accepts. Automaton has 3737 states and 5138 transitions. Word has length 701 [2022-12-13 15:43:39,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:43:39,229 INFO L495 AbstractCegarLoop]: Abstraction has 3737 states and 5138 transitions. [2022-12-13 15:43:39,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.0) internal successors, (280), 5 states have internal predecessors, (280), 2 states have call successors, (99), 2 states have call predecessors, (99), 2 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-12-13 15:43:39,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3737 states and 5138 transitions. [2022-12-13 15:43:39,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2022-12-13 15:43:39,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:43:39,237 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 13, 13, 13, 11, 11, 11, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:39,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 15:43:39,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:43:39,440 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 15:43:39,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:39,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1297845037, now seen corresponding path program 1 times [2022-12-13 15:43:39,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:39,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154201826] [2022-12-13 15:43:39,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:39,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:39,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:39,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154201826] [2022-12-13 15:43:39,681 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 15:43:39,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934688147] [2022-12-13 15:43:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:39,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:43:39,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:43:39,682 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:43:39,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 15:43:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:41,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 9723 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 15:43:41,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:43:41,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2022-12-13 15:43:41,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:43:41,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934688147] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:41,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:41,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:43:41,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897036946] [2022-12-13 15:43:41,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:41,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:43:41,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:41,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:43:41,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:43:41,187 INFO L87 Difference]: Start difference. First operand 3737 states and 5138 transitions. Second operand has 4 states, 4 states have (on average 71.5) internal successors, (286), 4 states have internal predecessors, (286), 2 states have call successors, (99), 2 states have call predecessors, (99), 2 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-12-13 15:43:41,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:43:41,807 INFO L93 Difference]: Finished difference Result 7545 states and 10385 transitions. [2022-12-13 15:43:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:43:41,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 71.5) internal successors, (286), 4 states have internal predecessors, (286), 2 states have call successors, (99), 2 states have call predecessors, (99), 2 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) Word has length 701 [2022-12-13 15:43:41,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:43:41,817 INFO L225 Difference]: With dead ends: 7545 [2022-12-13 15:43:41,817 INFO L226 Difference]: Without dead ends: 3889 [2022-12-13 15:43:41,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:43:41,823 INFO L413 NwaCegarLoop]: 5032 mSDtfsCounter, 166 mSDsluCounter, 9852 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 14884 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:43:41,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 14884 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:43:41,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3889 states. [2022-12-13 15:43:42,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3889 to 3739. [2022-12-13 15:43:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3739 states, 2410 states have (on average 1.2390041493775934) internal successors, (2986), 2500 states have internal predecessors, (2986), 1077 states have call successors, (1077), 250 states have call predecessors, (1077), 250 states have return successors, (1077), 1049 states have call predecessors, (1077), 1077 states have call successors, (1077) [2022-12-13 15:43:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3739 states and 5140 transitions. [2022-12-13 15:43:42,215 INFO L78 Accepts]: Start accepts. Automaton has 3739 states and 5140 transitions. Word has length 701 [2022-12-13 15:43:42,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:43:42,215 INFO L495 AbstractCegarLoop]: Abstraction has 3739 states and 5140 transitions. [2022-12-13 15:43:42,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.5) internal successors, (286), 4 states have internal predecessors, (286), 2 states have call successors, (99), 2 states have call predecessors, (99), 2 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-12-13 15:43:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3739 states and 5140 transitions. [2022-12-13 15:43:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2022-12-13 15:43:42,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:43:42,223 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 13, 13, 13, 11, 11, 11, 10, 10, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:42,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 15:43:42,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-12-13 15:43:42,425 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)] === [2022-12-13 15:43:42,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:42,426 INFO L85 PathProgramCache]: Analyzing trace with hash -475087286, now seen corresponding path program 1 times [2022-12-13 15:43:42,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:42,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025670761] [2022-12-13 15:43:42,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:42,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:42,609 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 15:43:42,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331130254] [2022-12-13 15:43:42,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:42,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:43:42,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:43:42,610 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:43:42,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1317e93a-586f-407e-a006-c12c4dbba6a0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 15:43:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:44,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 9880 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 15:43:44,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:43:45,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 726 proven. 0 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2022-12-13 15:43:45,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:43:45,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:45,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025670761] [2022-12-13 15:43:45,712 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 15:43:45,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331130254] [2022-12-13 15:43:45,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331130254] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:45,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:45,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:43:45,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631673224] [2022-12-13 15:43:45,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:45,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:43:45,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:45,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:43:45,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:43:45,715 INFO L87 Difference]: Start difference. First operand 3739 states and 5140 transitions. Second operand has 6 states, 6 states have (on average 53.333333333333336) internal successors, (320), 6 states have internal predecessors, (320), 4 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2022-12-13 15:43:47,827 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 [0] [2022-12-13 15:43:49,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:43:51,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:43:53,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:43:55,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:43:57,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:00,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:02,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:04,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:06,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:08,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:10,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:12,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:14,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:16,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:18,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:20,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:22,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:24,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:27,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:29,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:31,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:33,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:35,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:37,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:39,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:41,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:43,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:45,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:47,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:49,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:51,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:53,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:55,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:57,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:44:59,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:01,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:03,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:06,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:08,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:10,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:12,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:14,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:16,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:18,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:20,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:22,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:24,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:26,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:28,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:30,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:32,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:34,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:36,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:38,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:40,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:42,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:44,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:46,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:48,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:51,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:53,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:55,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:45:58,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:00,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:02,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:04,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:06,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:08,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:10,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:12,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:14,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:16,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:18,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:20,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:22,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:24,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:26,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:28,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:30,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:32,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:34,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:37,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:39,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:41,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:43,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:45,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:47,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:49,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:51,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:53,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:55,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:57,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:46:59,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:01,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:03,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:05,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:07,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:09,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:12,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:14,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:16,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:18,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:20,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:23,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:25,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:27,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:29,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:31,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:33,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:35,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:37,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:40,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:42,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:44,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:46,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:48,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:50,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:52,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:54,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:56,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:47:58,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:00,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:02,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:04,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:06,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:08,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:11,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:13,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:15,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:17,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:20,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:22,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:24,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:26,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:28,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:48:30,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:32,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:48:34,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:36,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:38,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:40,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:42,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:44,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:46,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:48,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:50,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:52,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:54,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:56,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:48:58,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:00,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:02,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:05,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:07,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:09,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:11,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:13,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:16,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:18,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:20,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:22,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:24,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:26,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:28,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:30,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:32,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:34,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:36,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:38,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:40,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:42,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:44,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:46,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:48,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:50,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:53,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:55,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:57,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:49:59,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:01,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:04,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:06,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:08,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:10,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:12,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:14,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:16,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:18,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:20,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:22,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:24,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:26,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:28,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:30,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:33,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:35,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:37,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:39,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:41,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:43,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:45,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:47,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:49,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:51,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:53,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:55,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:57,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:50:59,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:01,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:04,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:06,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:08,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:10,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:12,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:14,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:16,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:18,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:20,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:22,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:24,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:26,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:28,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:30,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:32,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:34,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:37,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:39,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:41,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:43,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:45,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:47,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:49,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:51,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:53,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:55,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:57,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:51:59,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:03,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:05,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:07,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:09,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:11,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:13,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:15,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:17,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:18,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:20,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:22,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:24,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:26,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 15:52:29,268 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 [0]