./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2754d1ad46049a17f9b43992f91364cab029d3fcf93c78791853a365602d9e1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:35:09,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:35:09,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:35:09,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:35:09,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:35:09,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:35:09,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:35:09,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:35:09,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:35:09,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:35:09,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:35:09,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:35:09,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:35:09,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:35:09,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:35:09,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:35:09,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:35:09,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:35:09,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:35:09,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:35:09,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:35:09,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:35:09,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:35:09,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:35:09,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:35:09,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:35:09,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:35:09,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:35:09,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:35:09,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:35:09,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:35:09,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:35:09,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:35:09,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:35:09,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:35:09,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:35:09,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:35:09,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:35:09,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:35:09,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:35:09,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:35:09,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:35:09,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:35:09,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:35:09,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:35:09,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:35:09,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:35:09,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:35:09,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:35:09,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:35:09,186 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:35:09,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:35:09,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:35:09,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:35:09,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:35:09,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:35:09,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:35:09,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:35:09,189 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:35:09,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:35:09,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:35:09,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:35:09,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:35:09,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:35:09,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:35:09,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:35:09,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:35:09,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:35:09,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:35:09,192 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:35:09,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:35:09,193 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:35:09,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:35:09,193 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_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2754d1ad46049a17f9b43992f91364cab029d3fcf93c78791853a365602d9e1a [2022-11-25 17:35:09,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:35:09,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:35:09,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:35:09,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:35:09,546 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:35:09,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-11-25 17:35:12,612 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:35:13,282 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:35:13,282 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-11-25 17:35:13,369 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/data/6dc3b2c4d/fb204dad419e44299b33c0d736b3b28a/FLAG0ad9069b5 [2022-11-25 17:35:13,387 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/data/6dc3b2c4d/fb204dad419e44299b33c0d736b3b28a [2022-11-25 17:35:13,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:35:13,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:35:13,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:35:13,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:35:13,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:35:13,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:35:13" (1/1) ... [2022-11-25 17:35:13,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d15a098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:13, skipping insertion in model container [2022-11-25 17:35:13,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:35:13" (1/1) ... [2022-11-25 17:35:13,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:35:13,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:35:14,448 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:35:14,463 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 17:35:14,478 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:35:14,489 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 17:35:14,560 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 17:35:14,629 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:14,699 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:35:14,706 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:35:14,706 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:35:14,717 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:35:14,732 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:35:14,743 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:35:14,759 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 17:35:14,768 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 17:35:14,801 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 17:35:14,817 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:35:14,820 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 17:35:14,839 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 17:35:14,895 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:35:14,978 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 17:35:14,980 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 17:35:14,992 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:35:14,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,032 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 17:35:15,037 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 17:35:15,126 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 17:35:15,189 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:15,269 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:15,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,277 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:15,291 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,302 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,347 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,347 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,385 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:35:15,391 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:15,392 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,397 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:15,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,403 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:15,404 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,416 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:15,424 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:15,426 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:15,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,458 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:35:15,480 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:15,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,491 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:35:15,510 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:35:15,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,517 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:15,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,549 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,550 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,551 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,602 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,603 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,621 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:35:15,621 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 17:35:15,622 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:35:15,624 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 17:35:15,624 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 17:35:15,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,674 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:35:15,695 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:35:15,697 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:35:15,698 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:35:15,730 WARN L623 FunctionHandler]: Unknown extern function pci_map_rom [2022-11-25 17:35:15,732 WARN L623 FunctionHandler]: Unknown extern function pci_unmap_rom [2022-11-25 17:35:15,733 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 17:35:15,738 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 17:35:15,740 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:35:15,750 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,751 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:35:15,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,752 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 17:35:15,753 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,753 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,758 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 17:35:15,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,761 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 17:35:15,762 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 17:35:15,762 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:35:15,763 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,764 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,764 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:15,768 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:35:15,769 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:35:15,774 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:35:15,775 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:35:15,789 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:35:16,014 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,014 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,015 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,015 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,015 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,015 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,016 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,016 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,018 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 17:35:16,020 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 17:35:16,021 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 17:35:16,023 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:35:16,026 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 17:35:16,027 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 17:35:16,035 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 17:35:16,039 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 17:35:16,045 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 17:35:16,046 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 17:35:16,048 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:35:16,049 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:35:16,050 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:35:16,050 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:35:16,051 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:35:16,052 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 17:35:16,052 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 17:35:16,053 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:35:16,054 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 17:35:16,054 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:35:16,054 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 17:35:16,055 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 17:35:16,103 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 17:35:16,104 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 17:35:16,112 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 17:35:16,655 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_9e2ea172-362a-43d8-9f05-0c252548683c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347312,347325] [2022-11-25 17:35:16,659 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_9e2ea172-362a-43d8-9f05-0c252548683c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347481,347494] [2022-11-25 17:35:16,659 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_9e2ea172-362a-43d8-9f05-0c252548683c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347648,347661] [2022-11-25 17:35:16,660 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_9e2ea172-362a-43d8-9f05-0c252548683c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347816,347829] [2022-11-25 17:35:16,661 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,661 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,662 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,663 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,664 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,674 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,675 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:35:16,749 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:35:16,878 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:35:16,879 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 17:35:16,880 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:35:16,880 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 17:35:16,882 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 17:35:16,884 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:16,893 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:35:16,894 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:35:16,894 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:35:16,896 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:35:16,898 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:35:16,900 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:35:16,904 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 17:35:16,905 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 17:35:16,910 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 17:35:16,911 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:35:16,912 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 17:35:16,914 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 17:35:16,924 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:35:16,927 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 17:35:16,928 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 17:35:16,929 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:35:16,930 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,931 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 17:35:16,932 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 17:35:16,933 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 17:35:16,937 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:16,943 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:16,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,946 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:16,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,954 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,954 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,954 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,955 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,961 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,964 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,965 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:35:16,966 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:16,967 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,968 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:16,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,973 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:16,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,976 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:16,979 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:16,980 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:16,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,991 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:35:16,996 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:16,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:16,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,001 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:35:17,007 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:35:17,010 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,010 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,013 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:35:17,020 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,020 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,025 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,037 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,039 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,053 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:35:17,054 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 17:35:17,054 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:35:17,056 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 17:35:17,057 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 17:35:17,059 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,080 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:35:17,087 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:35:17,088 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:35:17,088 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:35:17,111 WARN L623 FunctionHandler]: Unknown extern function pci_map_rom [2022-11-25 17:35:17,112 WARN L623 FunctionHandler]: Unknown extern function pci_unmap_rom [2022-11-25 17:35:17,113 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 17:35:17,114 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 17:35:17,115 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:35:17,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,121 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:35:17,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,126 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 17:35:17,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,130 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 17:35:17,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,131 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 17:35:17,133 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 17:35:17,134 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:35:17,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:35:17,142 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:35:17,142 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:35:17,156 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:35:17,157 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:35:17,162 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:35:17,168 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,168 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,168 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,169 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,169 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,169 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,169 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,170 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,171 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 17:35:17,172 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 17:35:17,173 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 17:35:17,176 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:35:17,178 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 17:35:17,179 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 17:35:17,187 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 17:35:17,188 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 17:35:17,254 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 17:35:17,255 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 17:35:17,259 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:35:17,260 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:35:17,260 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:35:17,261 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:35:17,261 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:35:17,262 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 17:35:17,262 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 17:35:17,263 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:35:17,263 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 17:35:17,263 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:35:17,264 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 17:35:17,264 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 17:35:17,267 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 17:35:17,267 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 17:35:17,268 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 17:35:17,288 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_9e2ea172-362a-43d8-9f05-0c252548683c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347312,347325] [2022-11-25 17:35:17,289 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_9e2ea172-362a-43d8-9f05-0c252548683c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347481,347494] [2022-11-25 17:35:17,289 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_9e2ea172-362a-43d8-9f05-0c252548683c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347648,347661] [2022-11-25 17:35:17,289 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_9e2ea172-362a-43d8-9f05-0c252548683c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347816,347829] [2022-11-25 17:35:17,290 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,290 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,291 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,294 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,295 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,296 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,297 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:35:17,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:35:17,434 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:35:17,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17 WrapperNode [2022-11-25 17:35:17,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:35:17,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:35:17,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:35:17,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:35:17,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (1/1) ... [2022-11-25 17:35:17,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (1/1) ... [2022-11-25 17:35:17,819 INFO L138 Inliner]: procedures = 447, calls = 2101, calls flagged for inlining = 218, calls inlined = 201, statements flattened = 4996 [2022-11-25 17:35:17,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:35:17,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:35:17,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:35:17,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:35:17,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (1/1) ... [2022-11-25 17:35:17,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (1/1) ... [2022-11-25 17:35:17,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (1/1) ... [2022-11-25 17:35:17,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (1/1) ... [2022-11-25 17:35:18,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (1/1) ... [2022-11-25 17:35:18,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (1/1) ... [2022-11-25 17:35:18,076 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (1/1) ... [2022-11-25 17:35:18,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (1/1) ... [2022-11-25 17:35:18,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:35:18,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:35:18,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:35:18,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:35:18,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (1/1) ... [2022-11-25 17:35:18,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:35:18,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:35:18,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:35:18,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2ea172-362a-43d8-9f05-0c252548683c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:35:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-25 17:35:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2022-11-25 17:35:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2022-11-25 17:35:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-25 17:35:18,298 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-25 17:35:18,298 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 17:35:18,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 17:35:18,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 17:35:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 17:35:18,302 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2022-11-25 17:35:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2022-11-25 17:35:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2022-11-25 17:35:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2022-11-25 17:35:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2022-11-25 17:35:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2022-11-25 17:35:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 17:35:18,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 17:35:18,303 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2022-11-25 17:35:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2022-11-25 17:35:18,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:35:18,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:35:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 17:35:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 17:35:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 17:35:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 17:35:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2022-11-25 17:35:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2022-11-25 17:35:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 17:35:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 17:35:18,306 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2022-11-25 17:35:18,306 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2022-11-25 17:35:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-25 17:35:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-25 17:35:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2022-11-25 17:35:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2022-11-25 17:35:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2022-11-25 17:35:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2022-11-25 17:35:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-11-25 17:35:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-11-25 17:35:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 17:35:18,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 17:35:18,307 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 17:35:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 17:35:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 17:35:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 17:35:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-25 17:35:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-25 17:35:18,308 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 17:35:18,308 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 17:35:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 17:35:18,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 17:35:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:35:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-25 17:35:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-25 17:35:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-11-25 17:35:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-11-25 17:35:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 17:35:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 17:35:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 17:35:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 17:35:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 17:35:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:35:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 17:35:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 17:35:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:35:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 17:35:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 17:35:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 17:35:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 17:35:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 17:35:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 17:35:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 17:35:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 17:35:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2022-11-25 17:35:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2022-11-25 17:35:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2022-11-25 17:35:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2022-11-25 17:35:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 17:35:18,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 17:35:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:35:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 17:35:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 17:35:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 17:35:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 17:35:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2022-11-25 17:35:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2022-11-25 17:35:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-25 17:35:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-25 17:35:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:35:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2022-11-25 17:35:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2022-11-25 17:35:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 17:35:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 17:35:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 17:35:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 17:35:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:35:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 17:35:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 17:35:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 17:35:18,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 17:35:18,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 17:35:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 17:35:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-25 17:35:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-25 17:35:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 17:35:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 17:35:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 17:35:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 17:35:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 17:35:18,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 17:35:18,315 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 17:35:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 17:35:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2022-11-25 17:35:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2022-11-25 17:35:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:35:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:35:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2022-11-25 17:35:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2022-11-25 17:35:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-25 17:35:18,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-25 17:35:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:35:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2022-11-25 17:35:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2022-11-25 17:35:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:35:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 17:35:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 17:35:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 17:35:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 17:35:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 17:35:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 17:35:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-25 17:35:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-25 17:35:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 17:35:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 17:35:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2022-11-25 17:35:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2022-11-25 17:35:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 17:35:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 17:35:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 17:35:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 17:35:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-25 17:35:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-25 17:35:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-25 17:35:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-25 17:35:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-25 17:35:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-25 17:35:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:35:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:35:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-25 17:35:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-25 17:35:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:35:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 17:35:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 17:35:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2022-11-25 17:35:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2022-11-25 17:35:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 17:35:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 17:35:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 17:35:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 17:35:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-25 17:35:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-25 17:35:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2022-11-25 17:35:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2022-11-25 17:35:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2022-11-25 17:35:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2022-11-25 17:35:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2022-11-25 17:35:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2022-11-25 17:35:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-25 17:35:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-25 17:35:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 17:35:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 17:35:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2022-11-25 17:35:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2022-11-25 17:35:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:35:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 17:35:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 17:35:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 17:35:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 17:35:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2022-11-25 17:35:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2022-11-25 17:35:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 17:35:18,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 17:35:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-25 17:35:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-25 17:35:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-25 17:35:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-25 17:35:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 17:35:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 17:35:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:35:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-25 17:35:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-25 17:35:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 17:35:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 17:35:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-25 17:35:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-25 17:35:18,324 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2022-11-25 17:35:18,324 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2022-11-25 17:35:19,196 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:35:19,200 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:35:19,916 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 17:35:25,448 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 17:35:25,710 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:35:25,735 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:35:25,736 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:35:25,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:35:25 BoogieIcfgContainer [2022-11-25 17:35:25,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:35:25,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:35:25,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:35:25,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:35:25,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:35:13" (1/3) ... [2022-11-25 17:35:25,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1256bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:35:25, skipping insertion in model container [2022-11-25 17:35:25,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:17" (2/3) ... [2022-11-25 17:35:25,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1256bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:35:25, skipping insertion in model container [2022-11-25 17:35:25,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:35:25" (3/3) ... [2022-11-25 17:35:25,753 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-11-25 17:35:25,774 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:35:25,774 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 17:35:25,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:35:25,876 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;@54e05fd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:35:25,876 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 17:35:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 2016 states, 1362 states have (on average 1.3076358296622614) internal successors, (1781), 1402 states have internal predecessors, (1781), 562 states have call successors, (562), 90 states have call predecessors, (562), 89 states have return successors, (556), 542 states have call predecessors, (556), 556 states have call successors, (556) [2022-11-25 17:35:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:35:25,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:35:25,915 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:35:25,916 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)] === [2022-11-25 17:35:25,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:35:25,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1481144961, now seen corresponding path program 1 times [2022-11-25 17:35:25,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:35:25,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084706704] [2022-11-25 17:35:25,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:35:25,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:35:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:35:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:35:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:35:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:35:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:35:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:35:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:35:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:35:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:35:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-25 17:35:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-25 17:35:26,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:35:26,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084706704] [2022-11-25 17:35:26,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084706704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:35:26,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:35:26,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:35:26,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96798597] [2022-11-25 17:35:26,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:35:26,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:35:26,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:35:27,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:35:27,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:35:27,037 INFO L87 Difference]: Start difference. First operand has 2016 states, 1362 states have (on average 1.3076358296622614) internal successors, (1781), 1402 states have internal predecessors, (1781), 562 states have call successors, (562), 90 states have call predecessors, (562), 89 states have return successors, (556), 542 states have call predecessors, (556), 556 states have call successors, (556) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 17:35:34,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:35:34,663 INFO L93 Difference]: Finished difference Result 5942 states and 8715 transitions. [2022-11-25 17:35:34,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:35:34,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2022-11-25 17:35:34,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:35:34,722 INFO L225 Difference]: With dead ends: 5942 [2022-11-25 17:35:34,723 INFO L226 Difference]: Without dead ends: 3937 [2022-11-25 17:35:34,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:35:34,749 INFO L413 NwaCegarLoop]: 2140 mSDtfsCounter, 3582 mSDsluCounter, 2573 mSDsCounter, 0 mSdLazyCounter, 3327 mSolverCounterSat, 1508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4093 SdHoareTripleChecker+Valid, 4713 SdHoareTripleChecker+Invalid, 4835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1508 IncrementalHoareTripleChecker+Valid, 3327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:35:34,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4093 Valid, 4713 Invalid, 4835 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1508 Valid, 3327 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-11-25 17:35:34,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3937 states. [2022-11-25 17:35:35,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3937 to 3895. [2022-11-25 17:35:35,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3895 states, 2647 states have (on average 1.2995844352096713) internal successors, (3440), 2726 states have internal predecessors, (3440), 1071 states have call successors, (1071), 175 states have call predecessors, (1071), 174 states have return successors, (1067), 1039 states have call predecessors, (1067), 1067 states have call successors, (1067) [2022-11-25 17:35:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3895 states and 5578 transitions. [2022-11-25 17:35:35,145 INFO L78 Accepts]: Start accepts. Automaton has 3895 states and 5578 transitions. Word has length 116 [2022-11-25 17:35:35,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:35:35,146 INFO L495 AbstractCegarLoop]: Abstraction has 3895 states and 5578 transitions. [2022-11-25 17:35:35,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 17:35:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 3895 states and 5578 transitions. [2022-11-25 17:35:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-25 17:35:35,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:35:35,151 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:35:35,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:35:35,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 17:35:35,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:35:35,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1415379596, now seen corresponding path program 1 times [2022-11-25 17:35:35,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:35:35,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380696228] [2022-11-25 17:35:35,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:35:35,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:35:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:35:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:35:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:35:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:35:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:35:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:35:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:35:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:35:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:35:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:35:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:35,716 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-25 17:35:35,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:35:35,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380696228] [2022-11-25 17:35:35,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380696228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:35:35,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:35:35,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:35:35,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805342917] [2022-11-25 17:35:35,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:35:35,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:35:35,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:35:35,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:35:35,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:35:35,722 INFO L87 Difference]: Start difference. First operand 3895 states and 5578 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 17:35:42,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:35:42,070 INFO L93 Difference]: Finished difference Result 10863 states and 15528 transitions. [2022-11-25 17:35:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:35:42,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 117 [2022-11-25 17:35:42,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:35:42,126 INFO L225 Difference]: With dead ends: 10863 [2022-11-25 17:35:42,126 INFO L226 Difference]: Without dead ends: 6989 [2022-11-25 17:35:42,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:35:42,150 INFO L413 NwaCegarLoop]: 2185 mSDtfsCounter, 3245 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 3058 mSolverCounterSat, 1349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3706 SdHoareTripleChecker+Valid, 4679 SdHoareTripleChecker+Invalid, 4407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1349 IncrementalHoareTripleChecker+Valid, 3058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:35:42,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3706 Valid, 4679 Invalid, 4407 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1349 Valid, 3058 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-25 17:35:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6989 states. [2022-11-25 17:35:42,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6989 to 6897. [2022-11-25 17:35:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6897 states, 4735 states have (on average 1.298416050686378) internal successors, (6148), 4883 states have internal predecessors, (6148), 1828 states have call successors, (1828), 340 states have call predecessors, (1828), 331 states have return successors, (1838), 1749 states have call predecessors, (1838), 1824 states have call successors, (1838) [2022-11-25 17:35:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6897 states to 6897 states and 9814 transitions. [2022-11-25 17:35:42,696 INFO L78 Accepts]: Start accepts. Automaton has 6897 states and 9814 transitions. Word has length 117 [2022-11-25 17:35:42,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:35:42,697 INFO L495 AbstractCegarLoop]: Abstraction has 6897 states and 9814 transitions. [2022-11-25 17:35:42,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 17:35:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 6897 states and 9814 transitions. [2022-11-25 17:35:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-25 17:35:42,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:35:42,707 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:35:42,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:35:42,707 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 17:35:42,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:35:42,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1757982397, now seen corresponding path program 1 times [2022-11-25 17:35:42,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:35:42,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157561126] [2022-11-25 17:35:42,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:35:42,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:35:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:35:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:35:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:35:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:35:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:35:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:35:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:35:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:35:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:35:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 17:35:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-25 17:35:43,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:35:43,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157561126] [2022-11-25 17:35:43,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157561126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:35:43,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:35:43,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:35:43,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997566990] [2022-11-25 17:35:43,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:35:43,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:35:43,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:35:43,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:35:43,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:35:43,238 INFO L87 Difference]: Start difference. First operand 6897 states and 9814 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 17:35:50,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:35:50,405 INFO L93 Difference]: Finished difference Result 19743 states and 28162 transitions. [2022-11-25 17:35:50,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:35:50,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 121 [2022-11-25 17:35:50,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:35:50,500 INFO L225 Difference]: With dead ends: 19743 [2022-11-25 17:35:50,500 INFO L226 Difference]: Without dead ends: 12867 [2022-11-25 17:35:50,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:35:50,540 INFO L413 NwaCegarLoop]: 2098 mSDtfsCounter, 3235 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 3324 mSolverCounterSat, 1475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3696 SdHoareTripleChecker+Valid, 4663 SdHoareTripleChecker+Invalid, 4799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1475 IncrementalHoareTripleChecker+Valid, 3324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:35:50,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3696 Valid, 4663 Invalid, 4799 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1475 Valid, 3324 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-25 17:35:50,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12867 states. [2022-11-25 17:35:51,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12867 to 12715. [2022-11-25 17:35:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12715 states, 8703 states have (on average 1.3007009077329656) internal successors, (11320), 8985 states have internal predecessors, (11320), 3368 states have call successors, (3368), 660 states have call predecessors, (3368), 641 states have return successors, (3396), 3207 states have call predecessors, (3396), 3364 states have call successors, (3396) [2022-11-25 17:35:51,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12715 states to 12715 states and 18084 transitions. [2022-11-25 17:35:51,394 INFO L78 Accepts]: Start accepts. Automaton has 12715 states and 18084 transitions. Word has length 121 [2022-11-25 17:35:51,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:35:51,397 INFO L495 AbstractCegarLoop]: Abstraction has 12715 states and 18084 transitions. [2022-11-25 17:35:51,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 17:35:51,398 INFO L276 IsEmpty]: Start isEmpty. Operand 12715 states and 18084 transitions. [2022-11-25 17:35:51,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-25 17:35:51,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:35:51,402 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:35:51,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:35:51,403 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 17:35:51,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:35:51,404 INFO L85 PathProgramCache]: Analyzing trace with hash 455379156, now seen corresponding path program 1 times [2022-11-25 17:35:51,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:35:51,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39115144] [2022-11-25 17:35:51,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:35:51,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:35:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:35:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:35:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:35:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:35:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:35:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:35:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:35:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:35:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:35:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:35:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-25 17:35:51,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:35:51,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39115144] [2022-11-25 17:35:51,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39115144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:35:51,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:35:51,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:35:51,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863168511] [2022-11-25 17:35:51,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:35:51,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:35:51,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:35:51,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:35:51,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:35:51,819 INFO L87 Difference]: Start difference. First operand 12715 states and 18084 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 17:35:58,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:35:58,186 INFO L93 Difference]: Finished difference Result 25252 states and 35928 transitions. [2022-11-25 17:35:58,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:35:58,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 126 [2022-11-25 17:35:58,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:35:58,265 INFO L225 Difference]: With dead ends: 25252 [2022-11-25 17:35:58,265 INFO L226 Difference]: Without dead ends: 12558 [2022-11-25 17:35:58,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:35:58,327 INFO L413 NwaCegarLoop]: 2265 mSDtfsCounter, 2781 mSDsluCounter, 2683 mSDsCounter, 0 mSdLazyCounter, 3394 mSolverCounterSat, 1278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3224 SdHoareTripleChecker+Valid, 4948 SdHoareTripleChecker+Invalid, 4672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1278 IncrementalHoareTripleChecker+Valid, 3394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:35:58,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3224 Valid, 4948 Invalid, 4672 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1278 Valid, 3394 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-25 17:35:58,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12558 states. [2022-11-25 17:35:59,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12558 to 12394. [2022-11-25 17:35:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12394 states, 8430 states have (on average 1.2907473309608541) internal successors, (10881), 8700 states have internal predecessors, (10881), 3300 states have call successors, (3300), 682 states have call predecessors, (3300), 661 states have return successors, (3312), 3149 states have call predecessors, (3312), 3296 states have call successors, (3312) [2022-11-25 17:35:59,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12394 states to 12394 states and 17493 transitions. [2022-11-25 17:35:59,292 INFO L78 Accepts]: Start accepts. Automaton has 12394 states and 17493 transitions. Word has length 126 [2022-11-25 17:35:59,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:35:59,294 INFO L495 AbstractCegarLoop]: Abstraction has 12394 states and 17493 transitions. [2022-11-25 17:35:59,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 17:35:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 12394 states and 17493 transitions. [2022-11-25 17:35:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-25 17:35:59,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:35:59,297 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:35:59,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:35:59,297 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 17:35:59,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:35:59,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1520304270, now seen corresponding path program 1 times [2022-11-25 17:35:59,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:35:59,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702069660] [2022-11-25 17:35:59,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:35:59,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:35:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:35:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:35:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:35:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:35:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:35:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:35:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:35:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:35:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:35:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:35:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 17:35:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 17:35:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:35:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 17:35:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:59,662 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-25 17:35:59,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:35:59,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702069660] [2022-11-25 17:35:59,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702069660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:35:59,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:35:59,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:35:59,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218183269] [2022-11-25 17:35:59,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:35:59,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:35:59,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:35:59,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:35:59,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:35:59,664 INFO L87 Difference]: Start difference. First operand 12394 states and 17493 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:36:06,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:36:06,420 INFO L93 Difference]: Finished difference Result 33066 states and 46817 transitions. [2022-11-25 17:36:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:36:06,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 128 [2022-11-25 17:36:06,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:36:06,553 INFO L225 Difference]: With dead ends: 33066 [2022-11-25 17:36:06,553 INFO L226 Difference]: Without dead ends: 20693 [2022-11-25 17:36:06,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:36:06,620 INFO L413 NwaCegarLoop]: 2123 mSDtfsCounter, 3352 mSDsluCounter, 2619 mSDsCounter, 0 mSdLazyCounter, 3293 mSolverCounterSat, 1531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 4742 SdHoareTripleChecker+Invalid, 4824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1531 IncrementalHoareTripleChecker+Valid, 3293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:36:06,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 4742 Invalid, 4824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1531 Valid, 3293 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-25 17:36:06,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20693 states. [2022-11-25 17:36:07,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20693 to 20441. [2022-11-25 17:36:07,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20441 states, 13755 states have (on average 1.2844783715012722) internal successors, (17668), 14241 states have internal predecessors, (17668), 5562 states have call successors, (5562), 1156 states have call predecessors, (5562), 1121 states have return successors, (5666), 5275 states have call predecessors, (5666), 5558 states have call successors, (5666) [2022-11-25 17:36:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20441 states to 20441 states and 28896 transitions. [2022-11-25 17:36:08,183 INFO L78 Accepts]: Start accepts. Automaton has 20441 states and 28896 transitions. Word has length 128 [2022-11-25 17:36:08,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:36:08,184 INFO L495 AbstractCegarLoop]: Abstraction has 20441 states and 28896 transitions. [2022-11-25 17:36:08,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:36:08,184 INFO L276 IsEmpty]: Start isEmpty. Operand 20441 states and 28896 transitions. [2022-11-25 17:36:08,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-25 17:36:08,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:36:08,186 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 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] [2022-11-25 17:36:08,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:36:08,187 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 17:36:08,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:36:08,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1950717734, now seen corresponding path program 1 times [2022-11-25 17:36:08,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:36:08,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151700440] [2022-11-25 17:36:08,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:36:08,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:36:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:36:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:36:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:36:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:36:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:36:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:36:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:36:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:36:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:36:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 17:36:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 17:36:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-25 17:36:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2022-11-25 17:36:08,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:36:08,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151700440] [2022-11-25 17:36:08,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151700440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:36:08,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:36:08,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:36:08,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298328896] [2022-11-25 17:36:08,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:36:08,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:36:08,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:36:08,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:36:08,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:36:08,803 INFO L87 Difference]: Start difference. First operand 20441 states and 28896 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-25 17:36:16,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:36:16,278 INFO L93 Difference]: Finished difference Result 59437 states and 84209 transitions. [2022-11-25 17:36:16,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:36:16,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 140 [2022-11-25 17:36:16,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:36:16,515 INFO L225 Difference]: With dead ends: 59437 [2022-11-25 17:36:16,515 INFO L226 Difference]: Without dead ends: 39017 [2022-11-25 17:36:16,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:36:16,731 INFO L413 NwaCegarLoop]: 2374 mSDtfsCounter, 3491 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 3508 mSolverCounterSat, 1440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4010 SdHoareTripleChecker+Valid, 5128 SdHoareTripleChecker+Invalid, 4948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1440 IncrementalHoareTripleChecker+Valid, 3508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:36:16,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4010 Valid, 5128 Invalid, 4948 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1440 Valid, 3508 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-25 17:36:16,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39017 states. [2022-11-25 17:36:19,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39017 to 38599. [2022-11-25 17:36:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38599 states, 26022 states have (on average 1.2849896241641687) internal successors, (33438), 26964 states have internal predecessors, (33438), 10459 states have call successors, (10459), 2184 states have call predecessors, (10459), 2115 states have return successors, (10671), 9882 states have call predecessors, (10671), 10455 states have call successors, (10671) [2022-11-25 17:36:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38599 states to 38599 states and 54568 transitions. [2022-11-25 17:36:19,722 INFO L78 Accepts]: Start accepts. Automaton has 38599 states and 54568 transitions. Word has length 140 [2022-11-25 17:36:19,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:36:19,723 INFO L495 AbstractCegarLoop]: Abstraction has 38599 states and 54568 transitions. [2022-11-25 17:36:19,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-25 17:36:19,723 INFO L276 IsEmpty]: Start isEmpty. Operand 38599 states and 54568 transitions. [2022-11-25 17:36:19,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-25 17:36:19,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:36:19,726 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 8, 8, 8, 8, 8, 8, 3, 3, 3, 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] [2022-11-25 17:36:19,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:36:19,727 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)] === [2022-11-25 17:36:19,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:36:19,729 INFO L85 PathProgramCache]: Analyzing trace with hash -538584553, now seen corresponding path program 1 times [2022-11-25 17:36:19,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:36:19,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044043774] [2022-11-25 17:36:19,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:36:19,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:36:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:19,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:36:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:19,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:36:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:36:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:36:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:36:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:36:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:36:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:36:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:36:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 17:36:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-25 17:36:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-25 17:36:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-25 17:36:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-25 17:36:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-11-25 17:36:20,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:36:20,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044043774] [2022-11-25 17:36:20,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044043774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:36:20,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:36:20,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:36:20,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333669686] [2022-11-25 17:36:20,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:36:20,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:36:20,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:36:20,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:36:20,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:36:20,304 INFO L87 Difference]: Start difference. First operand 38599 states and 54568 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 17:36:25,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:36:25,776 INFO L93 Difference]: Finished difference Result 77481 states and 109701 transitions. [2022-11-25 17:36:25,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:36:25,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 159 [2022-11-25 17:36:25,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:36:26,152 INFO L225 Difference]: With dead ends: 77481 [2022-11-25 17:36:26,152 INFO L226 Difference]: Without dead ends: 38959 [2022-11-25 17:36:26,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:36:26,326 INFO L413 NwaCegarLoop]: 1818 mSDtfsCounter, 873 mSDsluCounter, 2586 mSDsCounter, 0 mSdLazyCounter, 2752 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 4404 SdHoareTripleChecker+Invalid, 3116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 2752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:36:26,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1090 Valid, 4404 Invalid, 3116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 2752 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-25 17:36:26,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38959 states. [2022-11-25 17:36:28,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38959 to 38599. [2022-11-25 17:36:28,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38599 states, 26022 states have (on average 1.2837598954730614) internal successors, (33406), 26964 states have internal predecessors, (33406), 10459 states have call successors, (10459), 2184 states have call predecessors, (10459), 2115 states have return successors, (10671), 9882 states have call predecessors, (10671), 10455 states have call successors, (10671) [2022-11-25 17:36:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38599 states to 38599 states and 54536 transitions. [2022-11-25 17:36:28,542 INFO L78 Accepts]: Start accepts. Automaton has 38599 states and 54536 transitions. Word has length 159 [2022-11-25 17:36:28,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:36:28,543 INFO L495 AbstractCegarLoop]: Abstraction has 38599 states and 54536 transitions. [2022-11-25 17:36:28,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 17:36:28,543 INFO L276 IsEmpty]: Start isEmpty. Operand 38599 states and 54536 transitions. [2022-11-25 17:36:28,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-25 17:36:28,546 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:36:28,547 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:36:28,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 17:36:28,547 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)] === [2022-11-25 17:36:28,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:36:28,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1484286718, now seen corresponding path program 1 times [2022-11-25 17:36:28,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:36:28,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793173027] [2022-11-25 17:36:28,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:36:28,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:36:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:36:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:36:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:36:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:36:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:36:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:36:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:36:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:36:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:36:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 17:36:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 17:36:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-25 17:36:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 17:36:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 17:36:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-25 17:36:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-25 17:36:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-25 17:36:29,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:36:29,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793173027] [2022-11-25 17:36:29,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793173027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:36:29,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:36:29,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:36:29,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896853543] [2022-11-25 17:36:29,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:36:29,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:36:29,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:36:29,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:36:29,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:36:29,195 INFO L87 Difference]: Start difference. First operand 38599 states and 54536 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 17:36:38,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:36:38,404 INFO L93 Difference]: Finished difference Result 114245 states and 161897 transitions. [2022-11-25 17:36:38,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:36:38,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 175 [2022-11-25 17:36:38,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:36:38,739 INFO L225 Difference]: With dead ends: 114245 [2022-11-25 17:36:38,739 INFO L226 Difference]: Without dead ends: 75723 [2022-11-25 17:36:38,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:36:38,975 INFO L413 NwaCegarLoop]: 2434 mSDtfsCounter, 3355 mSDsluCounter, 2832 mSDsCounter, 0 mSdLazyCounter, 3550 mSolverCounterSat, 1376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3861 SdHoareTripleChecker+Valid, 5266 SdHoareTripleChecker+Invalid, 4926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1376 IncrementalHoareTripleChecker+Valid, 3550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:36:38,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3861 Valid, 5266 Invalid, 4926 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1376 Valid, 3550 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-25 17:36:39,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75723 states. [2022-11-25 17:36:42,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75723 to 75095. [2022-11-25 17:36:42,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75095 states, 50658 states have (on average 1.2847723952781396) internal successors, (65084), 52396 states have internal predecessors, (65084), 20317 states have call successors, (20317), 4238 states have call predecessors, (20317), 4117 states have return successors, (20745), 19324 states have call predecessors, (20745), 20313 states have call successors, (20745) [2022-11-25 17:36:43,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75095 states to 75095 states and 106146 transitions. [2022-11-25 17:36:43,324 INFO L78 Accepts]: Start accepts. Automaton has 75095 states and 106146 transitions. Word has length 175 [2022-11-25 17:36:43,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:36:43,325 INFO L495 AbstractCegarLoop]: Abstraction has 75095 states and 106146 transitions. [2022-11-25 17:36:43,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 17:36:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 75095 states and 106146 transitions. [2022-11-25 17:36:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-25 17:36:43,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:36:43,328 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:36:43,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:36:43,329 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)] === [2022-11-25 17:36:43,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:36:43,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1343738108, now seen corresponding path program 1 times [2022-11-25 17:36:43,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:36:43,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421947324] [2022-11-25 17:36:43,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:36:43,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:36:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:36:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:36:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:36:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:36:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:36:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:36:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:36:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:36:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:36:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 17:36:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 17:36:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-25 17:36:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 17:36:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 17:36:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-25 17:36:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-25 17:36:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-11-25 17:36:44,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:36:44,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421947324] [2022-11-25 17:36:44,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421947324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:36:44,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:36:44,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:36:44,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056041162] [2022-11-25 17:36:44,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:36:44,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:36:44,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:36:44,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:36:44,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:36:44,014 INFO L87 Difference]: Start difference. First operand 75095 states and 106146 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-11-25 17:36:51,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:36:51,921 INFO L93 Difference]: Finished difference Result 75725 states and 107295 transitions. [2022-11-25 17:36:51,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:36:51,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 175 [2022-11-25 17:36:51,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:36:52,206 INFO L225 Difference]: With dead ends: 75725 [2022-11-25 17:36:52,206 INFO L226 Difference]: Without dead ends: 75723 [2022-11-25 17:36:52,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:36:52,235 INFO L413 NwaCegarLoop]: 1812 mSDtfsCounter, 2787 mSDsluCounter, 4112 mSDsCounter, 0 mSdLazyCounter, 4112 mSolverCounterSat, 1206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3088 SdHoareTripleChecker+Valid, 5924 SdHoareTripleChecker+Invalid, 5318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1206 IncrementalHoareTripleChecker+Valid, 4112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:36:52,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3088 Valid, 5924 Invalid, 5318 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1206 Valid, 4112 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 17:36:52,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75723 states. [2022-11-25 17:36:55,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75723 to 75099. [2022-11-25 17:36:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75099 states, 50661 states have (on average 1.2847555318686958) internal successors, (65087), 52399 states have internal predecessors, (65087), 20317 states have call successors, (20317), 4239 states have call predecessors, (20317), 4118 states have return successors, (20745), 19324 states have call predecessors, (20745), 20313 states have call successors, (20745) [2022-11-25 17:36:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75099 states to 75099 states and 106149 transitions. [2022-11-25 17:36:56,023 INFO L78 Accepts]: Start accepts. Automaton has 75099 states and 106149 transitions. Word has length 175 [2022-11-25 17:36:56,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:36:56,024 INFO L495 AbstractCegarLoop]: Abstraction has 75099 states and 106149 transitions. [2022-11-25 17:36:56,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-11-25 17:36:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 75099 states and 106149 transitions. [2022-11-25 17:36:56,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-25 17:36:56,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:36:56,028 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-11-25 17:36:56,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 17:36:56,029 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)] === [2022-11-25 17:36:56,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:36:56,029 INFO L85 PathProgramCache]: Analyzing trace with hash 614858259, now seen corresponding path program 1 times [2022-11-25 17:36:56,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:36:56,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93156194] [2022-11-25 17:36:56,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:36:56,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:36:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:36:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:36:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:36:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:36:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:36:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:36:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:36:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:36:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:36:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 17:36:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 17:36:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-25 17:36:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 17:36:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:36:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 17:36:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-25 17:36:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-25 17:36:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-25 17:36:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-11-25 17:36:57,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:36:57,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93156194] [2022-11-25 17:36:57,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93156194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:36:57,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:36:57,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:36:57,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393972850] [2022-11-25 17:36:57,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:36:57,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:36:57,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:36:57,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:36:57,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:36:57,131 INFO L87 Difference]: Start difference. First operand 75099 states and 106149 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (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) [2022-11-25 17:37:04,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:37:04,762 INFO L93 Difference]: Finished difference Result 75729 states and 107298 transitions. [2022-11-25 17:37:04,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:37:04,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (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 180 [2022-11-25 17:37:04,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:37:05,238 INFO L225 Difference]: With dead ends: 75729 [2022-11-25 17:37:05,238 INFO L226 Difference]: Without dead ends: 75727 [2022-11-25 17:37:05,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:37:05,262 INFO L413 NwaCegarLoop]: 1812 mSDtfsCounter, 2779 mSDsluCounter, 4112 mSDsCounter, 0 mSdLazyCounter, 4115 mSolverCounterSat, 1205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3080 SdHoareTripleChecker+Valid, 5924 SdHoareTripleChecker+Invalid, 5320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1205 IncrementalHoareTripleChecker+Valid, 4115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:37:05,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3080 Valid, 5924 Invalid, 5320 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1205 Valid, 4115 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-25 17:37:05,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75727 states.