./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-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/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_aced1afe-af42-47eb-9d2e-4c2810756017/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/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-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/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_aced1afe-af42-47eb-9d2e-4c2810756017/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 67e7778ced54570c612880d3f2f5d48e6e2d3dc55afd632628e45d31cdc74c58 --- 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 18:36:23,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:36:23,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:36:23,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:36:23,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:36:23,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:36:23,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:36:23,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:36:23,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:36:23,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:36:23,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:36:23,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:36:23,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:36:23,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:36:23,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:36:23,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:36:23,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:36:23,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:36:23,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:36:23,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:36:23,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:36:23,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:36:23,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:36:23,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:36:23,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:36:23,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:36:23,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:36:23,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:36:23,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:36:23,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:36:23,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:36:23,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:36:23,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:36:23,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:36:23,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:36:23,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:36:23,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:36:23,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:36:23,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:36:23,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:36:23,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:36:23,980 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:36:24,007 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:36:24,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:36:24,008 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:36:24,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:36:24,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:36:24,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:36:24,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:36:24,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:36:24,012 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:36:24,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:36:24,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:36:24,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:36:24,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:36:24,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:36:24,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:36:24,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:36:24,014 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:36:24,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:36:24,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:36:24,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:36:24,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:36:24,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:36:24,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:36:24,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:36:24,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:36:24,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:36:24,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:36:24,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:36:24,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:36:24,016 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:36:24,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:36:24,018 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_aced1afe-af42-47eb-9d2e-4c2810756017/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e7778ced54570c612880d3f2f5d48e6e2d3dc55afd632628e45d31cdc74c58 [2022-11-25 18:36:24,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:36:24,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:36:24,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:36:24,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:36:24,435 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:36:24,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2022-11-25 18:36:27,968 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:36:28,794 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:36:28,795 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2022-11-25 18:36:28,854 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/bin/uautomizer-ZsLfNo2U6R/data/0c37c4a09/44a6aa0bb91c466ab0ffba9c88f0299b/FLAG90085a877 [2022-11-25 18:36:28,878 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/bin/uautomizer-ZsLfNo2U6R/data/0c37c4a09/44a6aa0bb91c466ab0ffba9c88f0299b [2022-11-25 18:36:28,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:36:28,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:36:28,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:36:28,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:36:28,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:36:28,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:36:28" (1/1) ... [2022-11-25 18:36:28,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@400fbaea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:28, skipping insertion in model container [2022-11-25 18:36:28,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:36:28" (1/1) ... [2022-11-25 18:36:28,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:36:29,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:36:30,138 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 18:36:30,158 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 18:36:30,177 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:36:30,385 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 18:36:30,398 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:36:30,403 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 18:36:30,471 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 18:36:30,559 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 18:36:30,561 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 18:36:30,576 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:36:30,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:30,632 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 18:36:30,641 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 18:36:30,699 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 18:36:30,905 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:30,956 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:30,967 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:30,968 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:30,986 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:31,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,167 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 18:36:31,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,198 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,210 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-11-25 18:36:31,211 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:36:31,214 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 18:36:31,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,216 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-11-25 18:36:31,217 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-11-25 18:36:31,227 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:31,228 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,247 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 18:36:31,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,251 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 18:36:31,254 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 18:36:31,255 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,261 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:31,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,268 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:31,269 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:31,270 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:31,272 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:31,273 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:31,274 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:31,274 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:31,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,303 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:31,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,305 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:31,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,308 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,339 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:31,341 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-11-25 18:36:31,343 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 18:36:31,345 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:31,347 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:31,348 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:31,352 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:31,371 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 18:36:31,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,395 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,402 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 18:36:31,421 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:31,432 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:36:31,433 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,440 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 18:36:31,440 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:31,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,443 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:36:31,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,457 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:31,534 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:36:31,539 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:31,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,548 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:36:31,549 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,620 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,632 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,650 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,652 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,653 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,657 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:31,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,659 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-11-25 18:36:31,659 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:31,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,661 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-11-25 18:36:31,662 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:31,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,664 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-11-25 18:36:31,665 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:36:31,666 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-11-25 18:36:31,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,671 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-11-25 18:36:31,673 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-11-25 18:36:31,674 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-11-25 18:36:31,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,679 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:31,680 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:36:31,681 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:36:31,682 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-11-25 18:36:31,879 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:36:31,883 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:36:31,884 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:36:31,900 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 18:36:31,917 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 18:36:31,925 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 18:36:31,935 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 18:36:31,936 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 18:36:31,937 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:36:31,938 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 18:36:31,944 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:36:31,945 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:36:31,946 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:36:31,948 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:36:31,949 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:36:31,950 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:36:31,951 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:36:32,004 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 18:36:32,004 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:36:32,015 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:36:32,696 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_aced1afe-af42-47eb-9d2e-4c2810756017/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2022-11-25 18:36:32,705 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_aced1afe-af42-47eb-9d2e-4c2810756017/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2022-11-25 18:36:32,706 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_aced1afe-af42-47eb-9d2e-4c2810756017/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2022-11-25 18:36:32,709 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_aced1afe-af42-47eb-9d2e-4c2810756017/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2022-11-25 18:36:32,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:36:32,801 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:36:32,985 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 18:36:32,986 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 18:36:32,987 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:36:32,998 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 18:36:33,001 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:36:33,006 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 18:36:33,009 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 18:36:33,024 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 18:36:33,025 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 18:36:33,027 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:36:33,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,032 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 18:36:33,035 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_byte [2022-11-25 18:36:33,039 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 18:36:33,059 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,067 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,071 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,071 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,075 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,095 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,098 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 18:36:33,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,109 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,112 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-11-25 18:36:33,113 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:36:33,115 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-25 18:36:33,116 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,116 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-11-25 18:36:33,117 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-11-25 18:36:33,120 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:33,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,122 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 18:36:33,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,130 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,133 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-25 18:36:33,139 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 18:36:33,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,143 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:33,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,145 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,146 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,147 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,147 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,148 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,150 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,193 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,196 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,197 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,214 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:33,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,223 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,225 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:33,226 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-11-25 18:36:33,227 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 18:36:33,228 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:33,245 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:36:33,246 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:33,248 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:36:33,250 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 18:36:33,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,255 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,262 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-11-25 18:36:33,278 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:33,288 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:36:33,288 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,294 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 18:36:33,295 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:33,295 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,312 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:36:33,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,315 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:33,320 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:36:33,336 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:36:33,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,342 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:36:33,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,404 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,405 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,406 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,407 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:33,407 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,407 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-11-25 18:36:33,408 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:33,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,409 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-11-25 18:36:33,409 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 18:36:33,409 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,410 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-11-25 18:36:33,411 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:36:33,411 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-11-25 18:36:33,412 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,414 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-11-25 18:36:33,415 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-11-25 18:36:33,415 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-11-25 18:36:33,416 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:36:33,418 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:36:33,419 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 18:36:33,419 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-11-25 18:36:33,424 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:36:33,451 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:36:33,451 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:36:33,457 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 18:36:33,459 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 18:36:33,486 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 18:36:33,486 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 18:36:33,487 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 18:36:33,487 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:36:33,488 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 18:36:33,488 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:36:33,489 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:36:33,489 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:36:33,491 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:36:33,491 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:36:33,492 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:36:33,492 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:36:33,495 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 18:36:33,496 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:36:33,496 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:36:33,532 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_aced1afe-af42-47eb-9d2e-4c2810756017/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2022-11-25 18:36:33,532 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_aced1afe-af42-47eb-9d2e-4c2810756017/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2022-11-25 18:36:33,533 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_aced1afe-af42-47eb-9d2e-4c2810756017/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2022-11-25 18:36:33,533 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_aced1afe-af42-47eb-9d2e-4c2810756017/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2022-11-25 18:36:33,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:36:33,739 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:36:33,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33 WrapperNode [2022-11-25 18:36:33,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:36:33,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:36:33,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:36:33,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:36:33,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (1/1) ... [2022-11-25 18:36:33,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (1/1) ... [2022-11-25 18:36:34,108 INFO L138 Inliner]: procedures = 395, calls = 2062, calls flagged for inlining = 159, calls inlined = 138, statements flattened = 4268 [2022-11-25 18:36:34,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:36:34,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:36:34,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:36:34,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:36:34,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (1/1) ... [2022-11-25 18:36:34,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (1/1) ... [2022-11-25 18:36:34,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (1/1) ... [2022-11-25 18:36:34,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (1/1) ... [2022-11-25 18:36:34,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (1/1) ... [2022-11-25 18:36:34,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (1/1) ... [2022-11-25 18:36:34,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (1/1) ... [2022-11-25 18:36:34,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (1/1) ... [2022-11-25 18:36:34,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:36:34,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:36:34,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:36:34,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:36:34,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (1/1) ... [2022-11-25 18:36:34,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:36:34,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:36:34,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:36:34,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aced1afe-af42-47eb-9d2e-4c2810756017/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:36:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 18:36:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 18:36:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-11-25 18:36:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-11-25 18:36:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-11-25 18:36:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-11-25 18:36:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 18:36:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 18:36:34,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 18:36:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 18:36:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_73 [2022-11-25 18:36:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_73 [2022-11-25 18:36:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 18:36:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 18:36:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-11-25 18:36:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-11-25 18:36:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 18:36:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 18:36:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2022-11-25 18:36:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2022-11-25 18:36:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-11-25 18:36:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-11-25 18:36:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-25 18:36:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-25 18:36:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 18:36:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 18:36:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-11-25 18:36:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-11-25 18:36:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-11-25 18:36:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-11-25 18:36:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-25 18:36:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-25 18:36:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 18:36:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 18:36:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:36:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-11-25 18:36:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-11-25 18:36:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-11-25 18:36:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-11-25 18:36:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-25 18:36:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-25 18:36:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-11-25 18:36:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-11-25 18:36:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 18:36:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 18:36:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-11-25 18:36:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-11-25 18:36:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-11-25 18:36:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-11-25 18:36:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 18:36:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-11-25 18:36:34,495 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-11-25 18:36:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-11-25 18:36:34,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-11-25 18:36:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-11-25 18:36:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-11-25 18:36:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 18:36:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 18:36:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 18:36:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 18:36:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 18:36:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-11-25 18:36:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-11-25 18:36:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:36:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 18:36:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 18:36:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-11-25 18:36:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-11-25 18:36:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 18:36:34,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 18:36:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 18:36:34,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 18:36:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-11-25 18:36:34,499 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-11-25 18:36:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-11-25 18:36:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-11-25 18:36:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-11-25 18:36:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-11-25 18:36:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 18:36:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 18:36:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-11-25 18:36:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-11-25 18:36:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:36:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 18:36:34,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 18:36:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-11-25 18:36:34,503 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-11-25 18:36:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:36:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 18:36:34,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 18:36:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 18:36:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 18:36:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:36:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:36:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:36:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 18:36:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 18:36:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-11-25 18:36:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-11-25 18:36:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 18:36:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 18:36:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 18:36:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 18:36:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-11-25 18:36:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-11-25 18:36:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-11-25 18:36:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-11-25 18:36:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 18:36:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 18:36:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 18:36:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 18:36:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-11-25 18:36:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-11-25 18:36:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:36:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:36:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-11-25 18:36:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-11-25 18:36:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 18:36:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 18:36:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 18:36:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 18:36:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-11-25 18:36:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-11-25 18:36:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 18:36:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 18:36:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-25 18:36:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-25 18:36:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-11-25 18:36:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-11-25 18:36:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-11-25 18:36:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-11-25 18:36:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 18:36:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 18:36:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-11-25 18:36:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-11-25 18:36:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-11-25 18:36:34,513 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-11-25 18:36:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 18:36:34,513 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 18:36:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:36:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:36:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-11-25 18:36:34,514 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-11-25 18:36:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:36:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 18:36:34,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 18:36:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-25 18:36:34,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-25 18:36:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 18:36:34,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 18:36:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-25 18:36:34,515 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-25 18:36:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 18:36:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 18:36:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-25 18:36:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-25 18:36:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-11-25 18:36:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-11-25 18:36:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-25 18:36:34,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-25 18:36:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-25 18:36:34,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-25 18:36:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 18:36:34,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 18:36:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 18:36:34,518 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 18:36:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-25 18:36:34,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-25 18:36:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:36:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-25 18:36:34,519 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-25 18:36:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-11-25 18:36:34,519 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-11-25 18:36:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-25 18:36:34,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-25 18:36:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 18:36:34,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 18:36:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-11-25 18:36:34,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-11-25 18:36:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-11-25 18:36:34,520 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-11-25 18:36:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-11-25 18:36:34,521 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-11-25 18:36:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 18:36:34,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 18:36:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-11-25 18:36:34,521 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-11-25 18:36:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-11-25 18:36:34,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-11-25 18:36:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-11-25 18:36:34,522 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-11-25 18:36:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-25 18:36:34,522 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-25 18:36:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:36:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-25 18:36:34,523 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-25 18:36:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 18:36:34,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 18:36:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-11-25 18:36:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-11-25 18:36:35,574 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:36:35,577 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:36:35,879 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 18:36:39,971 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 18:36:40,803 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:36:40,828 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:36:40,828 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:36:40,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:36:40 BoogieIcfgContainer [2022-11-25 18:36:40,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:36:40,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:36:40,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:36:40,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:36:40,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:36:28" (1/3) ... [2022-11-25 18:36:40,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee4408a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:36:40, skipping insertion in model container [2022-11-25 18:36:40,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:33" (2/3) ... [2022-11-25 18:36:40,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee4408a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:36:40, skipping insertion in model container [2022-11-25 18:36:40,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:36:40" (3/3) ... [2022-11-25 18:36:40,845 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2022-11-25 18:36:40,865 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:36:40,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 18:36:40,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:36:40,961 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;@5a63d821, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:36:40,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 18:36:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 1897 states, 1149 states have (on average 1.2584856396866841) internal successors, (1446), 1175 states have internal predecessors, (1446), 654 states have call successors, (654), 92 states have call predecessors, (654), 91 states have return successors, (650), 638 states have call predecessors, (650), 650 states have call successors, (650) [2022-11-25 18:36:40,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 18:36:40,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:36:40,989 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:40,989 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 18:36:40,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:36:40,996 INFO L85 PathProgramCache]: Analyzing trace with hash 571525592, now seen corresponding path program 1 times [2022-11-25 18:36:41,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:36:41,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580230923] [2022-11-25 18:36:41,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:36:41,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:36:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:41,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:36:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:36:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:42,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:36:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:42,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:36:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:42,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:36:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:36:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:42,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:36:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 18:36:42,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:36:42,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580230923] [2022-11-25 18:36:42,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580230923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:36:42,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:36:42,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:36:42,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800685199] [2022-11-25 18:36:42,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:36:42,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:36:42,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:36:42,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:36:42,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:36:42,145 INFO L87 Difference]: Start difference. First operand has 1897 states, 1149 states have (on average 1.2584856396866841) internal successors, (1446), 1175 states have internal predecessors, (1446), 654 states have call successors, (654), 92 states have call predecessors, (654), 91 states have return successors, (650), 638 states have call predecessors, (650), 650 states have call successors, (650) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 18:36:45,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:48,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:55,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:36:55,686 INFO L93 Difference]: Finished difference Result 5611 states and 8208 transitions. [2022-11-25 18:36:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:36:55,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 79 [2022-11-25 18:36:55,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:36:55,750 INFO L225 Difference]: With dead ends: 5611 [2022-11-25 18:36:55,751 INFO L226 Difference]: Without dead ends: 3720 [2022-11-25 18:36:55,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 18:36:55,782 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 3494 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 4081 mSolverCounterSat, 1978 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4115 SdHoareTripleChecker+Valid, 3302 SdHoareTripleChecker+Invalid, 6059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1978 IncrementalHoareTripleChecker+Valid, 4081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:36:55,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4115 Valid, 3302 Invalid, 6059 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1978 Valid, 4081 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2022-11-25 18:36:55,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3720 states. [2022-11-25 18:36:56,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3720 to 3688. [2022-11-25 18:36:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3688 states, 2238 states have (on average 1.2551385165326183) internal successors, (2809), 2288 states have internal predecessors, (2809), 1268 states have call successors, (1268), 180 states have call predecessors, (1268), 179 states have return successors, (1265), 1241 states have call predecessors, (1265), 1265 states have call successors, (1265) [2022-11-25 18:36:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3688 states and 5342 transitions. [2022-11-25 18:36:56,322 INFO L78 Accepts]: Start accepts. Automaton has 3688 states and 5342 transitions. Word has length 79 [2022-11-25 18:36:56,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:36:56,325 INFO L495 AbstractCegarLoop]: Abstraction has 3688 states and 5342 transitions. [2022-11-25 18:36:56,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 18:36:56,326 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 5342 transitions. [2022-11-25 18:36:56,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-25 18:36:56,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:36:56,343 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:56,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:36:56,344 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 18:36:56,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:36:56,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1748769044, now seen corresponding path program 1 times [2022-11-25 18:36:56,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:36:56,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913108651] [2022-11-25 18:36:56,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:36:56,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:36:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:36:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:36:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:36:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:36:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:36:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:36:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 18:36:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 18:36:56,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:36:56,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913108651] [2022-11-25 18:36:56,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913108651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:36:56,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:36:56,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:36:56,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786864377] [2022-11-25 18:36:56,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:36:56,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:36:56,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:36:56,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:36:56,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:36:56,925 INFO L87 Difference]: Start difference. First operand 3688 states and 5342 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 18:37:00,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:02,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:09,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:09,265 INFO L93 Difference]: Finished difference Result 10284 states and 14945 transitions. [2022-11-25 18:37:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:37:09,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 83 [2022-11-25 18:37:09,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:09,322 INFO L225 Difference]: With dead ends: 10284 [2022-11-25 18:37:09,322 INFO L226 Difference]: Without dead ends: 6611 [2022-11-25 18:37:09,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 18:37:09,348 INFO L413 NwaCegarLoop]: 1520 mSDtfsCounter, 2990 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 3995 mSolverCounterSat, 1772 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3534 SdHoareTripleChecker+Valid, 3279 SdHoareTripleChecker+Invalid, 5767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1772 IncrementalHoareTripleChecker+Valid, 3995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:09,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3534 Valid, 3279 Invalid, 5767 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1772 Valid, 3995 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-11-25 18:37:09,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6611 states. [2022-11-25 18:37:09,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6611 to 6542. [2022-11-25 18:37:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6542 states, 3943 states have (on average 1.2508242454983516) internal successors, (4932), 4043 states have internal predecessors, (4932), 2267 states have call successors, (2267), 330 states have call predecessors, (2267), 329 states have return successors, (2302), 2208 states have call predecessors, (2302), 2264 states have call successors, (2302) [2022-11-25 18:37:09,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6542 states to 6542 states and 9501 transitions. [2022-11-25 18:37:09,972 INFO L78 Accepts]: Start accepts. Automaton has 6542 states and 9501 transitions. Word has length 83 [2022-11-25 18:37:09,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:09,973 INFO L495 AbstractCegarLoop]: Abstraction has 6542 states and 9501 transitions. [2022-11-25 18:37:09,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 18:37:09,974 INFO L276 IsEmpty]: Start isEmpty. Operand 6542 states and 9501 transitions. [2022-11-25 18:37:09,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-25 18:37:09,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:09,976 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:37:09,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:37:09,977 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 18:37:09,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:09,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1840935360, now seen corresponding path program 1 times [2022-11-25 18:37:09,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:09,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23327701] [2022-11-25 18:37:09,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:09,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:37:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:37:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:37:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:37:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:37:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:37:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 18:37:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 18:37:10,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:37:10,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23327701] [2022-11-25 18:37:10,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23327701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:10,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:10,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:37:10,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694696792] [2022-11-25 18:37:10,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:10,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:37:10,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:37:10,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:37:10,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:37:10,376 INFO L87 Difference]: Start difference. First operand 6542 states and 9501 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 18:37:18,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:21,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:21,947 INFO L93 Difference]: Finished difference Result 18736 states and 27276 transitions. [2022-11-25 18:37:21,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:37:21,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2022-11-25 18:37:21,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:22,077 INFO L225 Difference]: With dead ends: 18736 [2022-11-25 18:37:22,077 INFO L226 Difference]: Without dead ends: 12209 [2022-11-25 18:37:22,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 18:37:22,129 INFO L413 NwaCegarLoop]: 1550 mSDtfsCounter, 3327 mSDsluCounter, 1736 mSDsCounter, 0 mSdLazyCounter, 4032 mSolverCounterSat, 1979 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3900 SdHoareTripleChecker+Valid, 3286 SdHoareTripleChecker+Invalid, 6011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1979 IncrementalHoareTripleChecker+Valid, 4032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:22,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3900 Valid, 3286 Invalid, 6011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1979 Valid, 4032 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-11-25 18:37:22,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12209 states. [2022-11-25 18:37:23,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12209 to 12104. [2022-11-25 18:37:23,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12104 states, 7283 states have (on average 1.248935878072223) internal successors, (9096), 7485 states have internal predecessors, (9096), 4205 states have call successors, (4205), 622 states have call predecessors, (4205), 613 states have return successors, (4294), 4068 states have call predecessors, (4294), 4202 states have call successors, (4294) [2022-11-25 18:37:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12104 states to 12104 states and 17595 transitions. [2022-11-25 18:37:23,272 INFO L78 Accepts]: Start accepts. Automaton has 12104 states and 17595 transitions. Word has length 87 [2022-11-25 18:37:23,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:23,274 INFO L495 AbstractCegarLoop]: Abstraction has 12104 states and 17595 transitions. [2022-11-25 18:37:23,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-25 18:37:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 12104 states and 17595 transitions. [2022-11-25 18:37:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-25 18:37:23,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:23,287 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:23,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:37:23,288 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:37:23,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:23,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1402472856, now seen corresponding path program 1 times [2022-11-25 18:37:23,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:23,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845658020] [2022-11-25 18:37:23,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:23,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:37:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:37:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:37:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:37:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:37:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:37:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:37:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:37:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:37:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:37:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:37:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:37:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:37:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-11-25 18:37:23,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:37:23,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845658020] [2022-11-25 18:37:23,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845658020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:23,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:23,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:37:23,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542625227] [2022-11-25 18:37:23,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:23,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:37:23,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:37:23,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:37:23,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:37:23,719 INFO L87 Difference]: Start difference. First operand 12104 states and 17595 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 18:37:27,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:29,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:36,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:36,751 INFO L93 Difference]: Finished difference Result 24357 states and 35435 transitions. [2022-11-25 18:37:36,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:37:36,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 134 [2022-11-25 18:37:36,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:37,057 INFO L225 Difference]: With dead ends: 24357 [2022-11-25 18:37:37,058 INFO L226 Difference]: Without dead ends: 18176 [2022-11-25 18:37:37,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 18:37:37,111 INFO L413 NwaCegarLoop]: 2503 mSDtfsCounter, 2768 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 5164 mSolverCounterSat, 1395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 4884 SdHoareTripleChecker+Invalid, 6559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1395 IncrementalHoareTripleChecker+Valid, 5164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:37,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 4884 Invalid, 6559 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1395 Valid, 5164 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-11-25 18:37:37,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18176 states. [2022-11-25 18:37:38,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18176 to 18056. [2022-11-25 18:37:38,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18056 states, 10859 states have (on average 1.248917948245695) internal successors, (13562), 11157 states have internal predecessors, (13562), 6275 states have call successors, (6275), 932 states have call predecessors, (6275), 919 states have return successors, (6410), 6074 states have call predecessors, (6410), 6272 states have call successors, (6410) [2022-11-25 18:37:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18056 states to 18056 states and 26247 transitions. [2022-11-25 18:37:38,628 INFO L78 Accepts]: Start accepts. Automaton has 18056 states and 26247 transitions. Word has length 134 [2022-11-25 18:37:38,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:38,629 INFO L495 AbstractCegarLoop]: Abstraction has 18056 states and 26247 transitions. [2022-11-25 18:37:38,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 18:37:38,630 INFO L276 IsEmpty]: Start isEmpty. Operand 18056 states and 26247 transitions. [2022-11-25 18:37:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-25 18:37:38,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:38,636 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:38,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:37:38,636 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:37:38,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:38,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1825174682, now seen corresponding path program 1 times [2022-11-25 18:37:38,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:38,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425491989] [2022-11-25 18:37:38,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:38,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:37:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:37:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:37:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:37:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:37:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:37:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:37:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:37:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:37:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:37:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:37:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:37:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:37:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-25 18:37:39,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:37:39,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425491989] [2022-11-25 18:37:39,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425491989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:39,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:39,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:37:39,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59169013] [2022-11-25 18:37:39,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:39,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:37:39,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:37:39,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:37:39,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:37:39,566 INFO L87 Difference]: Start difference. First operand 18056 states and 26247 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 18:37:49,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:49,764 INFO L93 Difference]: Finished difference Result 18158 states and 26443 transitions. [2022-11-25 18:37:49,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:37:49,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2022-11-25 18:37:49,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:49,909 INFO L225 Difference]: With dead ends: 18158 [2022-11-25 18:37:49,909 INFO L226 Difference]: Without dead ends: 18156 [2022-11-25 18:37:49,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 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 18:37:49,929 INFO L413 NwaCegarLoop]: 1294 mSDtfsCounter, 2448 mSDsluCounter, 2792 mSDsCounter, 0 mSdLazyCounter, 5126 mSolverCounterSat, 1747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 6873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1747 IncrementalHoareTripleChecker+Valid, 5126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:49,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2701 Valid, 4086 Invalid, 6873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1747 Valid, 5126 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-11-25 18:37:49,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18156 states. [2022-11-25 18:37:51,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18156 to 18060. [2022-11-25 18:37:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18060 states, 10862 states have (on average 1.2488491990425337) internal successors, (13565), 11160 states have internal predecessors, (13565), 6275 states have call successors, (6275), 933 states have call predecessors, (6275), 920 states have return successors, (6410), 6074 states have call predecessors, (6410), 6272 states have call successors, (6410) [2022-11-25 18:37:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18060 states to 18060 states and 26250 transitions. [2022-11-25 18:37:51,681 INFO L78 Accepts]: Start accepts. Automaton has 18060 states and 26250 transitions. Word has length 134 [2022-11-25 18:37:51,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:51,683 INFO L495 AbstractCegarLoop]: Abstraction has 18060 states and 26250 transitions. [2022-11-25 18:37:51,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 18:37:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 18060 states and 26250 transitions. [2022-11-25 18:37:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-25 18:37:51,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:51,688 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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] [2022-11-25 18:37:51,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:37:51,689 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:37:51,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:51,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1509236096, now seen corresponding path program 1 times [2022-11-25 18:37:51,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:51,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150279073] [2022-11-25 18:37:51,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:51,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:37:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:37:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:37:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:37:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:37:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:37:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:37:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:37:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:37:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:37:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:37:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:37:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:37:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:37:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-25 18:37:52,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:37:52,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150279073] [2022-11-25 18:37:52,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150279073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:52,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:52,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:37:52,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034441159] [2022-11-25 18:37:52,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:52,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:37:52,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:37:52,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:37:52,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:37:52,341 INFO L87 Difference]: Start difference. First operand 18060 states and 26250 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:37:55,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:56,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:03,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:03,347 INFO L93 Difference]: Finished difference Result 18162 states and 26446 transitions. [2022-11-25 18:38:03,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:38:03,348 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 139 [2022-11-25 18:38:03,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:03,499 INFO L225 Difference]: With dead ends: 18162 [2022-11-25 18:38:03,500 INFO L226 Difference]: Without dead ends: 18160 [2022-11-25 18:38:03,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 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 18:38:03,520 INFO L413 NwaCegarLoop]: 1294 mSDtfsCounter, 2440 mSDsluCounter, 2792 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 1746 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2693 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 6875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1746 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:03,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2693 Valid, 4086 Invalid, 6875 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1746 Valid, 5129 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-11-25 18:38:03,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18160 states. [2022-11-25 18:38:05,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18160 to 18064. [2022-11-25 18:38:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18064 states, 10865 states have (on average 1.248780487804878) internal successors, (13568), 11163 states have internal predecessors, (13568), 6275 states have call successors, (6275), 934 states have call predecessors, (6275), 921 states have return successors, (6410), 6074 states have call predecessors, (6410), 6272 states have call successors, (6410) [2022-11-25 18:38:05,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18064 states to 18064 states and 26253 transitions. [2022-11-25 18:38:05,330 INFO L78 Accepts]: Start accepts. Automaton has 18064 states and 26253 transitions. Word has length 139 [2022-11-25 18:38:05,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:05,331 INFO L495 AbstractCegarLoop]: Abstraction has 18064 states and 26253 transitions. [2022-11-25 18:38:05,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:38:05,331 INFO L276 IsEmpty]: Start isEmpty. Operand 18064 states and 26253 transitions. [2022-11-25 18:38:05,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-25 18:38:05,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:05,337 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:05,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:38:05,338 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 18:38:05,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:05,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1172657126, now seen corresponding path program 1 times [2022-11-25 18:38:05,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:38:05,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362447990] [2022-11-25 18:38:05,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:05,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:38:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:38:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:38:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:38:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:38:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:38:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:38:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:38:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:38:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:38:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:05,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:38:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:06,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:38:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:38:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:06,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:38:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:38:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 18:38:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-11-25 18:38:06,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:38:06,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362447990] [2022-11-25 18:38:06,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362447990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:06,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:06,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:38:06,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686083818] [2022-11-25 18:38:06,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:06,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:38:06,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:38:06,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:38:06,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:38:06,312 INFO L87 Difference]: Start difference. First operand 18064 states and 26253 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 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 18:38:09,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:10,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:12,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:19,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:19,587 INFO L93 Difference]: Finished difference Result 18166 states and 26449 transitions. [2022-11-25 18:38:19,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:38:19,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 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 144 [2022-11-25 18:38:19,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:19,744 INFO L225 Difference]: With dead ends: 18166 [2022-11-25 18:38:19,745 INFO L226 Difference]: Without dead ends: 18164 [2022-11-25 18:38:19,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 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 18:38:19,765 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 2440 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 5128 mSolverCounterSat, 1745 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 6874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1745 IncrementalHoareTripleChecker+Valid, 5128 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:19,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 4082 Invalid, 6874 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1745 Valid, 5128 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2022-11-25 18:38:19,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18164 states. [2022-11-25 18:38:21,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18164 to 18068. [2022-11-25 18:38:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18068 states, 10868 states have (on average 1.248711814501288) internal successors, (13571), 11166 states have internal predecessors, (13571), 6275 states have call successors, (6275), 935 states have call predecessors, (6275), 922 states have return successors, (6410), 6074 states have call predecessors, (6410), 6272 states have call successors, (6410) [2022-11-25 18:38:21,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18068 states to 18068 states and 26256 transitions. [2022-11-25 18:38:21,556 INFO L78 Accepts]: Start accepts. Automaton has 18068 states and 26256 transitions. Word has length 144 [2022-11-25 18:38:21,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:21,557 INFO L495 AbstractCegarLoop]: Abstraction has 18068 states and 26256 transitions. [2022-11-25 18:38:21,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 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 18:38:21,557 INFO L276 IsEmpty]: Start isEmpty. Operand 18068 states and 26256 transitions. [2022-11-25 18:38:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-25 18:38:21,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:21,564 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:21,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:38:21,564 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 18:38:21,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:21,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2442624, now seen corresponding path program 1 times [2022-11-25 18:38:21,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:38:21,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398187693] [2022-11-25 18:38:21,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:21,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:38:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:38:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:38:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:38:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:38:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:38:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:38:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:38:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:38:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:38:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:38:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:38:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:38:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:38:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:38:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 18:38:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 18:38:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-25 18:38:22,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:38:22,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398187693] [2022-11-25 18:38:22,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398187693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:22,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:22,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:38:22,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876225495] [2022-11-25 18:38:22,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:22,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:38:22,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:38:22,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:38:22,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:38:22,211 INFO L87 Difference]: Start difference. First operand 18068 states and 26256 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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 18:38:25,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:32,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:32,951 INFO L93 Difference]: Finished difference Result 18170 states and 26452 transitions. [2022-11-25 18:38:32,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:38:32,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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 149 [2022-11-25 18:38:32,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:33,066 INFO L225 Difference]: With dead ends: 18170 [2022-11-25 18:38:33,066 INFO L226 Difference]: Without dead ends: 18168 [2022-11-25 18:38:33,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 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 18:38:33,078 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 2440 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 1744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 6873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1744 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:33,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 4082 Invalid, 6873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1744 Valid, 5129 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-11-25 18:38:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18168 states. [2022-11-25 18:38:34,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18168 to 18072. [2022-11-25 18:38:34,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18072 states, 10871 states have (on average 1.2486431791003587) internal successors, (13574), 11169 states have internal predecessors, (13574), 6275 states have call successors, (6275), 936 states have call predecessors, (6275), 923 states have return successors, (6410), 6074 states have call predecessors, (6410), 6272 states have call successors, (6410) [2022-11-25 18:38:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18072 states to 18072 states and 26259 transitions. [2022-11-25 18:38:34,763 INFO L78 Accepts]: Start accepts. Automaton has 18072 states and 26259 transitions. Word has length 149 [2022-11-25 18:38:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:34,764 INFO L495 AbstractCegarLoop]: Abstraction has 18072 states and 26259 transitions. [2022-11-25 18:38:34,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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 18:38:34,764 INFO L276 IsEmpty]: Start isEmpty. Operand 18072 states and 26259 transitions. [2022-11-25 18:38:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-25 18:38:34,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:34,774 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:34,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:38:34,774 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 18:38:34,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1275219046, now seen corresponding path program 1 times [2022-11-25 18:38:34,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:38:34,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194784645] [2022-11-25 18:38:34,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:34,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:38:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:38:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:38:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:38:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:38:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:38:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:38:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:38:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:38:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:38:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:38:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:38:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:38:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:38:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:38:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 18:38:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 18:38:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 18:38:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-25 18:38:35,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:38:35,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194784645] [2022-11-25 18:38:35,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194784645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:35,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:35,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:38:35,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701025239] [2022-11-25 18:38:35,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:35,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:38:35,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:38:35,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:38:35,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:38:35,473 INFO L87 Difference]: Start difference. First operand 18072 states and 26259 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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 18:38:45,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:45,614 INFO L93 Difference]: Finished difference Result 18174 states and 26455 transitions. [2022-11-25 18:38:45,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:38:45,615 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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 154 [2022-11-25 18:38:45,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:45,730 INFO L225 Difference]: With dead ends: 18174 [2022-11-25 18:38:45,731 INFO L226 Difference]: Without dead ends: 18172 [2022-11-25 18:38:45,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 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 18:38:45,746 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 2440 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 1743 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 6872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1743 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:45,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 4082 Invalid, 6872 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1743 Valid, 5129 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-11-25 18:38:45,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18172 states. [2022-11-25 18:38:47,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18172 to 18076. [2022-11-25 18:38:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18076 states, 10874 states have (on average 1.2485745815707192) internal successors, (13577), 11172 states have internal predecessors, (13577), 6275 states have call successors, (6275), 937 states have call predecessors, (6275), 924 states have return successors, (6410), 6074 states have call predecessors, (6410), 6272 states have call successors, (6410) [2022-11-25 18:38:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18076 states to 18076 states and 26262 transitions. [2022-11-25 18:38:47,779 INFO L78 Accepts]: Start accepts. Automaton has 18076 states and 26262 transitions. Word has length 154 [2022-11-25 18:38:47,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:47,780 INFO L495 AbstractCegarLoop]: Abstraction has 18076 states and 26262 transitions. [2022-11-25 18:38:47,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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 18:38:47,781 INFO L276 IsEmpty]: Start isEmpty. Operand 18076 states and 26262 transitions. [2022-11-25 18:38:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-25 18:38:47,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:47,789 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:47,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:38:47,789 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 18:38:47,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:47,790 INFO L85 PathProgramCache]: Analyzing trace with hash -2001396352, now seen corresponding path program 1 times [2022-11-25 18:38:47,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:38:47,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933377952] [2022-11-25 18:38:47,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:47,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:38:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:38:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:38:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:38:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:38:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:38:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:38:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:38:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:38:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:38:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:38:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:38:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:38:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:38:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:38:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 18:38:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 18:38:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 18:38:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 18:38:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2022-11-25 18:38:48,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:38:48,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933377952] [2022-11-25 18:38:48,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933377952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:48,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:48,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:38:48,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390006901] [2022-11-25 18:38:48,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:48,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:38:48,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:38:48,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:38:48,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:38:48,450 INFO L87 Difference]: Start difference. First operand 18076 states and 26262 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 18:38:58,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:58,806 INFO L93 Difference]: Finished difference Result 18178 states and 26458 transitions. [2022-11-25 18:38:58,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:38:58,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 159 [2022-11-25 18:38:58,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:58,903 INFO L225 Difference]: With dead ends: 18178 [2022-11-25 18:38:58,903 INFO L226 Difference]: Without dead ends: 18176 [2022-11-25 18:38:58,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 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 18:38:58,914 INFO L413 NwaCegarLoop]: 1294 mSDtfsCounter, 2440 mSDsluCounter, 2792 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 1742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2693 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 6871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1742 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:58,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2693 Valid, 4086 Invalid, 6871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1742 Valid, 5129 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-11-25 18:38:58,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18176 states. [2022-11-25 18:39:00,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18176 to 18080. [2022-11-25 18:39:00,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18080 states, 10877 states have (on average 1.2485060218810333) internal successors, (13580), 11175 states have internal predecessors, (13580), 6275 states have call successors, (6275), 938 states have call predecessors, (6275), 925 states have return successors, (6410), 6074 states have call predecessors, (6410), 6272 states have call successors, (6410) [2022-11-25 18:39:00,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18080 states to 18080 states and 26265 transitions. [2022-11-25 18:39:00,844 INFO L78 Accepts]: Start accepts. Automaton has 18080 states and 26265 transitions. Word has length 159 [2022-11-25 18:39:00,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:00,845 INFO L495 AbstractCegarLoop]: Abstraction has 18080 states and 26265 transitions. [2022-11-25 18:39:00,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 18:39:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 18080 states and 26265 transitions. [2022-11-25 18:39:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-25 18:39:00,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:00,853 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:00,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:39:00,854 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 18:39:00,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:00,854 INFO L85 PathProgramCache]: Analyzing trace with hash -140380557, now seen corresponding path program 1 times [2022-11-25 18:39:00,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:39:00,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886151522] [2022-11-25 18:39:00,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:00,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:39:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:39:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:39:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:39:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:39:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:39:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:39:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:39:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:39:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:39:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:39:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:39:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 18:39:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:39:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:39:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 18:39:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-25 18:39:01,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:39:01,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886151522] [2022-11-25 18:39:01,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886151522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:01,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:39:01,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:39:01,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802062662] [2022-11-25 18:39:01,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:01,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:39:01,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:39:01,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:39:01,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:39:01,312 INFO L87 Difference]: Start difference. First operand 18080 states and 26265 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 18:39:05,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:06,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:08,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:20,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:20,837 INFO L93 Difference]: Finished difference Result 37150 states and 54078 transitions. [2022-11-25 18:39:20,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:39:20,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 156 [2022-11-25 18:39:20,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:20,921 INFO L225 Difference]: With dead ends: 37150 [2022-11-25 18:39:20,921 INFO L226 Difference]: Without dead ends: 19085 [2022-11-25 18:39:21,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:39:21,016 INFO L413 NwaCegarLoop]: 1548 mSDtfsCounter, 3405 mSDsluCounter, 1761 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 3145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3905 SdHoareTripleChecker+Valid, 3309 SdHoareTripleChecker+Invalid, 7850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3145 IncrementalHoareTripleChecker+Valid, 4705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:21,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3905 Valid, 3309 Invalid, 7850 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3145 Valid, 4705 Invalid, 0 Unknown, 0 Unchecked, 16.7s Time] [2022-11-25 18:39:21,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19085 states. [2022-11-25 18:39:23,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19085 to 18777. [2022-11-25 18:39:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18777 states, 11243 states have (on average 1.246553411011296) internal successors, (14015), 11523 states have internal predecessors, (14015), 6544 states have call successors, (6544), 988 states have call predecessors, (6544), 987 states have return successors, (6649), 6373 states have call predecessors, (6649), 6541 states have call successors, (6649) [2022-11-25 18:39:23,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18777 states to 18777 states and 27208 transitions. [2022-11-25 18:39:23,338 INFO L78 Accepts]: Start accepts. Automaton has 18777 states and 27208 transitions. Word has length 156 [2022-11-25 18:39:23,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:23,339 INFO L495 AbstractCegarLoop]: Abstraction has 18777 states and 27208 transitions. [2022-11-25 18:39:23,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 18:39:23,339 INFO L276 IsEmpty]: Start isEmpty. Operand 18777 states and 27208 transitions. [2022-11-25 18:39:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-25 18:39:23,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:23,344 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:23,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 18:39:23,345 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:39:23,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:23,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1009841382, now seen corresponding path program 1 times [2022-11-25 18:39:23,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:39:23,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374201427] [2022-11-25 18:39:23,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:23,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:39:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:39:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:39:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:39:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:39:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:39:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:39:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:39:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:39:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:39:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:39:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:39:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:39:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:39:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:39:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 18:39:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 18:39:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 18:39:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 18:39:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:39:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-25 18:39:23,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:39:23,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374201427] [2022-11-25 18:39:23,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374201427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:23,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:39:23,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:39:23,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556171626] [2022-11-25 18:39:23,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:23,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:39:23,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:39:23,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:39:23,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:39:23,925 INFO L87 Difference]: Start difference. First operand 18777 states and 27208 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 18:39:27,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:34,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:34,624 INFO L93 Difference]: Finished difference Result 18891 states and 27414 transitions. [2022-11-25 18:39:34,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:39:34,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2022-11-25 18:39:34,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:34,695 INFO L225 Difference]: With dead ends: 18891 [2022-11-25 18:39:34,695 INFO L226 Difference]: Without dead ends: 18889 [2022-11-25 18:39:34,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 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 18:39:34,705 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 2440 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 1741 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 6870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1741 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:34,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 4082 Invalid, 6870 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1741 Valid, 5129 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-25 18:39:34,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18889 states. [2022-11-25 18:39:36,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18889 to 18781. [2022-11-25 18:39:36,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18781 states, 11246 states have (on average 1.2464876400497955) internal successors, (14018), 11526 states have internal predecessors, (14018), 6544 states have call successors, (6544), 989 states have call predecessors, (6544), 988 states have return successors, (6649), 6373 states have call predecessors, (6649), 6541 states have call successors, (6649) [2022-11-25 18:39:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18781 states to 18781 states and 27211 transitions. [2022-11-25 18:39:36,682 INFO L78 Accepts]: Start accepts. Automaton has 18781 states and 27211 transitions. Word has length 164 [2022-11-25 18:39:36,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:36,683 INFO L495 AbstractCegarLoop]: Abstraction has 18781 states and 27211 transitions. [2022-11-25 18:39:36,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 18:39:36,683 INFO L276 IsEmpty]: Start isEmpty. Operand 18781 states and 27211 transitions. [2022-11-25 18:39:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-25 18:39:36,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:36,687 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:36,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 18:39:36,688 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:39:36,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:36,689 INFO L85 PathProgramCache]: Analyzing trace with hash 63481216, now seen corresponding path program 1 times [2022-11-25 18:39:36,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:39:36,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733663065] [2022-11-25 18:39:36,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:36,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:39:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:39:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:39:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:39:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:39:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:39:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:39:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:39:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:39:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:39:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:39:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:39:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:39:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:39:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:39:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 18:39:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 18:39:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 18:39:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 18:39:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:39:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:39:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:39:37,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:39:37,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733663065] [2022-11-25 18:39:37,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733663065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:37,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:39:37,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:39:37,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991946644] [2022-11-25 18:39:37,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:37,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:39:37,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:39:37,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:39:37,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:39:37,379 INFO L87 Difference]: Start difference. First operand 18781 states and 27211 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 18:39:48,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:48,249 INFO L93 Difference]: Finished difference Result 18895 states and 27417 transitions. [2022-11-25 18:39:48,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:39:48,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 169 [2022-11-25 18:39:48,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:48,504 INFO L225 Difference]: With dead ends: 18895 [2022-11-25 18:39:48,504 INFO L226 Difference]: Without dead ends: 18893 [2022-11-25 18:39:48,512 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 18:39:48,513 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 2440 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 1740 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 6869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1740 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:48,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 4082 Invalid, 6869 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1740 Valid, 5129 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-11-25 18:39:48,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18893 states. [2022-11-25 18:39:50,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18893 to 18785. [2022-11-25 18:39:50,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18785 states, 11249 states have (on average 1.2464219041692595) internal successors, (14021), 11529 states have internal predecessors, (14021), 6544 states have call successors, (6544), 990 states have call predecessors, (6544), 989 states have return successors, (6649), 6373 states have call predecessors, (6649), 6541 states have call successors, (6649) [2022-11-25 18:39:50,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18785 states to 18785 states and 27214 transitions. [2022-11-25 18:39:50,745 INFO L78 Accepts]: Start accepts. Automaton has 18785 states and 27214 transitions. Word has length 169 [2022-11-25 18:39:50,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:50,745 INFO L495 AbstractCegarLoop]: Abstraction has 18785 states and 27214 transitions. [2022-11-25 18:39:50,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 18:39:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 18785 states and 27214 transitions. [2022-11-25 18:39:50,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-25 18:39:50,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:50,751 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:50,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 18:39:50,752 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:39:50,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:50,753 INFO L85 PathProgramCache]: Analyzing trace with hash -340969591, now seen corresponding path program 1 times [2022-11-25 18:39:50,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:39:50,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771273755] [2022-11-25 18:39:50,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:50,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:39:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:39:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:39:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:39:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:39:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:39:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:39:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:39:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:39:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:39:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:39:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:39:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:39:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-25 18:39:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-25 18:39:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 18:39:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 18:39:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:39:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:39:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-25 18:39:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-25 18:39:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 18:39:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-25 18:39:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 18:39:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:51,417 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-11-25 18:39:51,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:39:51,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771273755] [2022-11-25 18:39:51,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771273755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:51,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:39:51,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:39:51,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601913466] [2022-11-25 18:39:51,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:51,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:39:51,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:39:51,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:39:51,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:39:51,421 INFO L87 Difference]: Start difference. First operand 18785 states and 27214 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 18:39:55,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:07,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:07,288 INFO L93 Difference]: Finished difference Result 24501 states and 35730 transitions. [2022-11-25 18:40:07,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:40:07,289 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 194 [2022-11-25 18:40:07,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:07,419 INFO L225 Difference]: With dead ends: 24501 [2022-11-25 18:40:07,419 INFO L226 Difference]: Without dead ends: 24499 [2022-11-25 18:40:07,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 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 18:40:07,434 INFO L413 NwaCegarLoop]: 1297 mSDtfsCounter, 2326 mSDsluCounter, 3168 mSDsCounter, 0 mSdLazyCounter, 8798 mSolverCounterSat, 1301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 4465 SdHoareTripleChecker+Invalid, 10099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1301 IncrementalHoareTripleChecker+Valid, 8798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:07,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2789 Valid, 4465 Invalid, 10099 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1301 Valid, 8798 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2022-11-25 18:40:07,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24499 states. [2022-11-25 18:40:10,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24499 to 24383. [2022-11-25 18:40:10,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24383 states, 14182 states have (on average 1.2436891834720067) internal successors, (17638), 14516 states have internal predecessors, (17638), 8890 states have call successors, (8890), 1309 states have call predecessors, (8890), 1308 states have return successors, (8995), 8689 states have call predecessors, (8995), 8887 states have call successors, (8995) [2022-11-25 18:40:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24383 states to 24383 states and 35523 transitions. [2022-11-25 18:40:10,327 INFO L78 Accepts]: Start accepts. Automaton has 24383 states and 35523 transitions. Word has length 194 [2022-11-25 18:40:10,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:10,327 INFO L495 AbstractCegarLoop]: Abstraction has 24383 states and 35523 transitions. [2022-11-25 18:40:10,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 18:40:10,328 INFO L276 IsEmpty]: Start isEmpty. Operand 24383 states and 35523 transitions. [2022-11-25 18:40:10,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-25 18:40:10,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:40:10,333 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:40:10,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 18:40:10,334 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:40:10,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:10,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1534861952, now seen corresponding path program 1 times [2022-11-25 18:40:10,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:40:10,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667501438] [2022-11-25 18:40:10,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:10,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:40:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:40:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:40:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:40:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:40:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:40:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:40:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:40:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:40:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:40:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:40:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:40:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:40:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:40:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:40:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 18:40:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 18:40:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 18:40:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 18:40:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:40:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:40:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-25 18:40:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-25 18:40:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2022-11-25 18:40:10,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:40:10,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667501438] [2022-11-25 18:40:10,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667501438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:40:10,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:40:10,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:40:10,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301088461] [2022-11-25 18:40:10,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:40:10,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:40:10,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:40:10,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:40:10,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:40:10,950 INFO L87 Difference]: Start difference. First operand 24383 states and 35523 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 18:40:14,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:15,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:23,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:23,935 INFO L93 Difference]: Finished difference Result 24505 states and 35733 transitions. [2022-11-25 18:40:23,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:40:23,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 179 [2022-11-25 18:40:23,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:24,046 INFO L225 Difference]: With dead ends: 24505 [2022-11-25 18:40:24,047 INFO L226 Difference]: Without dead ends: 24503 [2022-11-25 18:40:24,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 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 18:40:24,060 INFO L413 NwaCegarLoop]: 1292 mSDtfsCounter, 2440 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 1738 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2695 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 6867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1738 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:24,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2695 Valid, 4078 Invalid, 6867 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1738 Valid, 5129 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-11-25 18:40:24,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24503 states. [2022-11-25 18:40:26,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24503 to 24387. [2022-11-25 18:40:26,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24387 states, 14185 states have (on average 1.2436376454000706) internal successors, (17641), 14519 states have internal predecessors, (17641), 8890 states have call successors, (8890), 1310 states have call predecessors, (8890), 1309 states have return successors, (8995), 8689 states have call predecessors, (8995), 8887 states have call successors, (8995) [2022-11-25 18:40:26,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24387 states to 24387 states and 35526 transitions. [2022-11-25 18:40:26,970 INFO L78 Accepts]: Start accepts. Automaton has 24387 states and 35526 transitions. Word has length 179 [2022-11-25 18:40:26,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:26,971 INFO L495 AbstractCegarLoop]: Abstraction has 24387 states and 35526 transitions. [2022-11-25 18:40:26,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 18:40:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 24387 states and 35526 transitions. [2022-11-25 18:40:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-25 18:40:26,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:40:26,977 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:40:26,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 18:40:26,978 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 18:40:26,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:26,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1164111799, now seen corresponding path program 1 times [2022-11-25 18:40:26,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:40:26,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671658881] [2022-11-25 18:40:26,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:26,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:40:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:40:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:40:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:40:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:40:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:40:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:40:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:40:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:40:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:40:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:40:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:40:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:40:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-25 18:40:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-25 18:40:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 18:40:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 18:40:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:40:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:40:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-25 18:40:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-25 18:40:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 18:40:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-25 18:40:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 18:40:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 18:40:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 18:40:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2022-11-25 18:40:27,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:40:27,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671658881] [2022-11-25 18:40:27,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671658881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:40:27,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:40:27,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:40:27,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821027461] [2022-11-25 18:40:27,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:40:27,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:40:27,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:40:27,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:40:27,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:40:27,718 INFO L87 Difference]: Start difference. First operand 24387 states and 35526 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 18:40:31,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:41,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:41,533 INFO L93 Difference]: Finished difference Result 24509 states and 35736 transitions. [2022-11-25 18:40:41,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:40:41,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 204 [2022-11-25 18:40:41,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:41,648 INFO L225 Difference]: With dead ends: 24509 [2022-11-25 18:40:41,649 INFO L226 Difference]: Without dead ends: 24507 [2022-11-25 18:40:41,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 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 18:40:41,662 INFO L413 NwaCegarLoop]: 1294 mSDtfsCounter, 2429 mSDsluCounter, 2792 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 1737 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2680 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 6866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1737 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:41,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2680 Valid, 4086 Invalid, 6866 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1737 Valid, 5129 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-25 18:40:41,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24507 states. [2022-11-25 18:40:44,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24507 to 24391. [2022-11-25 18:40:44,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24391 states, 14188 states have (on average 1.2435861291232027) internal successors, (17644), 14522 states have internal predecessors, (17644), 8890 states have call successors, (8890), 1311 states have call predecessors, (8890), 1310 states have return successors, (8995), 8689 states have call predecessors, (8995), 8887 states have call successors, (8995) [2022-11-25 18:40:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24391 states to 24391 states and 35529 transitions. [2022-11-25 18:40:44,786 INFO L78 Accepts]: Start accepts. Automaton has 24391 states and 35529 transitions. Word has length 204 [2022-11-25 18:40:44,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:44,787 INFO L495 AbstractCegarLoop]: Abstraction has 24391 states and 35529 transitions. [2022-11-25 18:40:44,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 18:40:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 24391 states and 35529 transitions. [2022-11-25 18:40:44,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-25 18:40:44,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:40:44,792 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:40:44,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 18:40:44,793 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:40:44,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:44,793 INFO L85 PathProgramCache]: Analyzing trace with hash 17483136, now seen corresponding path program 1 times [2022-11-25 18:40:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:40:44,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151632187] [2022-11-25 18:40:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:44,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:40:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:40:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:40:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:40:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:40:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:40:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:40:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:40:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:40:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:40:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:40:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:40:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:40:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:40:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:40:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 18:40:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 18:40:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 18:40:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 18:40:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:40:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:40:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-25 18:40:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-25 18:40:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 18:40:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-25 18:40:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:45,506 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-11-25 18:40:45,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:40:45,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151632187] [2022-11-25 18:40:45,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151632187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:40:45,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:40:45,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:40:45,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515845725] [2022-11-25 18:40:45,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:40:45,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:40:45,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:40:45,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:40:45,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:40:45,510 INFO L87 Difference]: Start difference. First operand 24391 states and 35529 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 18:40:49,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:41:00,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:41:00,214 INFO L93 Difference]: Finished difference Result 24513 states and 35739 transitions. [2022-11-25 18:41:00,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:41:00,214 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 189 [2022-11-25 18:41:00,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:41:00,312 INFO L225 Difference]: With dead ends: 24513 [2022-11-25 18:41:00,312 INFO L226 Difference]: Without dead ends: 24511 [2022-11-25 18:41:00,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 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 18:41:00,324 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 2440 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 1736 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 6865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1736 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:41:00,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 4082 Invalid, 6865 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1736 Valid, 5129 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-11-25 18:41:00,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24511 states. [2022-11-25 18:41:03,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24511 to 24395. [2022-11-25 18:41:03,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24395 states, 14191 states have (on average 1.2435346346275808) internal successors, (17647), 14525 states have internal predecessors, (17647), 8890 states have call successors, (8890), 1312 states have call predecessors, (8890), 1311 states have return successors, (8995), 8689 states have call predecessors, (8995), 8887 states have call successors, (8995) [2022-11-25 18:41:03,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24395 states to 24395 states and 35532 transitions. [2022-11-25 18:41:03,595 INFO L78 Accepts]: Start accepts. Automaton has 24395 states and 35532 transitions. Word has length 189 [2022-11-25 18:41:03,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:41:03,595 INFO L495 AbstractCegarLoop]: Abstraction has 24395 states and 35532 transitions. [2022-11-25 18:41:03,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 18:41:03,596 INFO L276 IsEmpty]: Start isEmpty. Operand 24395 states and 35532 transitions. [2022-11-25 18:41:03,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-25 18:41:03,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:41:03,600 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:41:03,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 18:41:03,601 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:41:03,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:41:03,601 INFO L85 PathProgramCache]: Analyzing trace with hash -412028518, now seen corresponding path program 1 times [2022-11-25 18:41:03,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:41:03,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344082424] [2022-11-25 18:41:03,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:41:03,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:41:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:41:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:41:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:41:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:41:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:41:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:41:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:41:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:41:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:41:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:41:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:41:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:41:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:41:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:41:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 18:41:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 18:41:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 18:41:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 18:41:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:41:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:41:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-25 18:41:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-25 18:41:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 18:41:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-25 18:41:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 18:41:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-11-25 18:41:04,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:41:04,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344082424] [2022-11-25 18:41:04,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344082424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:41:04,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:41:04,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:41:04,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756272680] [2022-11-25 18:41:04,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:41:04,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:41:04,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:41:04,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:41:04,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:41:04,260 INFO L87 Difference]: Start difference. First operand 24395 states and 35532 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 18:41:09,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:41:17,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:41:17,791 INFO L93 Difference]: Finished difference Result 24517 states and 35742 transitions. [2022-11-25 18:41:17,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:41:17,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 194 [2022-11-25 18:41:17,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:41:17,912 INFO L225 Difference]: With dead ends: 24517 [2022-11-25 18:41:17,912 INFO L226 Difference]: Without dead ends: 24513 [2022-11-25 18:41:17,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 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 18:41:17,927 INFO L413 NwaCegarLoop]: 1292 mSDtfsCounter, 2440 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 5129 mSolverCounterSat, 1735 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2695 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 6864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1735 IncrementalHoareTripleChecker+Valid, 5129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:41:17,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2695 Valid, 4078 Invalid, 6864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1735 Valid, 5129 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-11-25 18:41:17,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24513 states. [2022-11-25 18:41:21,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24513 to 24397. [2022-11-25 18:41:21,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24397 states, 14193 states have (on average 1.2434298597900373) internal successors, (17648), 14526 states have internal predecessors, (17648), 8890 states have call successors, (8890), 1313 states have call predecessors, (8890), 1311 states have return successors, (8995), 8689 states have call predecessors, (8995), 8887 states have call successors, (8995) [2022-11-25 18:41:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24397 states to 24397 states and 35533 transitions. [2022-11-25 18:41:21,575 INFO L78 Accepts]: Start accepts. Automaton has 24397 states and 35533 transitions. Word has length 194 [2022-11-25 18:41:21,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:41:21,576 INFO L495 AbstractCegarLoop]: Abstraction has 24397 states and 35533 transitions. [2022-11-25 18:41:21,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 18:41:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 24397 states and 35533 transitions. [2022-11-25 18:41:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-25 18:41:21,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:41:21,582 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:41:21,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 18:41:21,582 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:41:21,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:41:21,583 INFO L85 PathProgramCache]: Analyzing trace with hash -574622863, now seen corresponding path program 1 times [2022-11-25 18:41:21,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:41:21,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168533621] [2022-11-25 18:41:21,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:41:21,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:41:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:41:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:41:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:41:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:41:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:41:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:41:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:41:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:41:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:41:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 18:41:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 18:41:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:41:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-25 18:41:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-25 18:41:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 18:41:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-25 18:41:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:41:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:41:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-25 18:41:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-25 18:41:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 18:41:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-25 18:41:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 18:41:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 18:41:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 18:41:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-25 18:41:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-25 18:41:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-25 18:41:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:22,579 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2022-11-25 18:41:22,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:41:22,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168533621] [2022-11-25 18:41:22,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168533621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:41:22,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:41:22,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:41:22,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630813228] [2022-11-25 18:41:22,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:41:22,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:41:22,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:41:22,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:41:22,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:41:22,588 INFO L87 Difference]: Start difference. First operand 24397 states and 35533 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 18:41:26,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:41:36,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:41:36,396 INFO L93 Difference]: Finished difference Result 24513 states and 35738 transitions. [2022-11-25 18:41:36,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:41:36,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 219 [2022-11-25 18:41:36,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:41:36,501 INFO L225 Difference]: With dead ends: 24513 [2022-11-25 18:41:36,501 INFO L226 Difference]: Without dead ends: 24295 [2022-11-25 18:41:36,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 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 18:41:36,512 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 2423 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 5121 mSolverCounterSat, 1734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2675 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 6855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1734 IncrementalHoareTripleChecker+Valid, 5121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:41:36,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2675 Valid, 4082 Invalid, 6855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1734 Valid, 5121 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-25 18:41:36,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24295 states. [2022-11-25 18:41:40,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24295 to 24179. [2022-11-25 18:41:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24179 states, 14045 states have (on average 1.2430046279814881) internal successors, (17458), 14362 states have internal predecessors, (17458), 8837 states have call successors, (8837), 1295 states have call predecessors, (8837), 1295 states have return successors, (8945), 8653 states have call predecessors, (8945), 8837 states have call successors, (8945) [2022-11-25 18:41:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24179 states to 24179 states and 35240 transitions. [2022-11-25 18:41:40,206 INFO L78 Accepts]: Start accepts. Automaton has 24179 states and 35240 transitions. Word has length 219 [2022-11-25 18:41:40,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:41:40,206 INFO L495 AbstractCegarLoop]: Abstraction has 24179 states and 35240 transitions. [2022-11-25 18:41:40,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 18:41:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 24179 states and 35240 transitions. [2022-11-25 18:41:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-25 18:41:40,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:41:40,211 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:41:40,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 18:41:40,212 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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 18:41:40,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:41:40,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1029267395, now seen corresponding path program 1 times [2022-11-25 18:41:40,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:41:40,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688152716] [2022-11-25 18:41:40,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:41:40,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:41:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:41:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:41:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:41:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:41:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:41:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:41:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:41:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:41:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:41:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:41:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:41:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:41:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 18:41:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-25 18:41:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-25 18:41:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:41:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:41:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:41:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:41:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 18:41:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:41:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-25 18:41:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-25 18:41:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:41:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-11-25 18:41:40,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:41:40,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688152716] [2022-11-25 18:41:40,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688152716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:41:40,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:41:40,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:41:40,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994407702] [2022-11-25 18:41:40,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:41:40,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:41:40,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:41:40,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:41:40,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:41:40,753 INFO L87 Difference]: Start difference. First operand 24179 states and 35240 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-25 18:41:44,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:41:45,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:04,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:42:04,146 INFO L93 Difference]: Finished difference Result 57398 states and 83835 transitions. [2022-11-25 18:42:04,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:42:04,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 219 [2022-11-25 18:42:04,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:42:04,310 INFO L225 Difference]: With dead ends: 57398 [2022-11-25 18:42:04,310 INFO L226 Difference]: Without dead ends: 33275 [2022-11-25 18:42:04,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:42:04,416 INFO L413 NwaCegarLoop]: 1894 mSDtfsCounter, 2719 mSDsluCounter, 2001 mSDsCounter, 0 mSdLazyCounter, 5261 mSolverCounterSat, 2446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3204 SdHoareTripleChecker+Valid, 3895 SdHoareTripleChecker+Invalid, 7707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2446 IncrementalHoareTripleChecker+Valid, 5261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:42:04,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3204 Valid, 3895 Invalid, 7707 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2446 Valid, 5261 Invalid, 0 Unknown, 0 Unchecked, 16.7s Time] [2022-11-25 18:42:04,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33275 states. [2022-11-25 18:42:09,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33275 to 32913. [2022-11-25 18:42:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32913 states, 19037 states have (on average 1.242527709197878) internal successors, (23654), 19442 states have internal predecessors, (23654), 12099 states have call successors, (12099), 1775 states have call predecessors, (12099), 1775 states have return successors, (12207), 11873 states have call predecessors, (12207), 12099 states have call successors, (12207) [2022-11-25 18:42:09,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32913 states to 32913 states and 47960 transitions. [2022-11-25 18:42:09,369 INFO L78 Accepts]: Start accepts. Automaton has 32913 states and 47960 transitions. Word has length 219 [2022-11-25 18:42:09,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:42:09,370 INFO L495 AbstractCegarLoop]: Abstraction has 32913 states and 47960 transitions. [2022-11-25 18:42:09,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-25 18:42:09,370 INFO L276 IsEmpty]: Start isEmpty. Operand 32913 states and 47960 transitions. [2022-11-25 18:42:09,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-25 18:42:09,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:42:09,376 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 10, 10, 10, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:09,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 18:42:09,376 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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 18:42:09,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:42:09,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1684185246, now seen corresponding path program 1 times [2022-11-25 18:42:09,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:42:09,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683385264] [2022-11-25 18:42:09,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:42:09,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:42:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:42:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:42:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:42:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:42:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:42:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 18:42:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:42:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:42:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-25 18:42:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:42:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:42:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 18:42:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-25 18:42:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-25 18:42:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:42:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-25 18:42:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:42:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:42:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:42:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 18:42:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 18:42:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-25 18:42:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:42:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:42:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:42:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:42:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 18:42:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:42:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:09,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-25 18:42:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:10,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-25 18:42:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:42:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2022-11-25 18:42:10,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:42:10,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683385264] [2022-11-25 18:42:10,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683385264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:42:10,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:42:10,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:42:10,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28697247] [2022-11-25 18:42:10,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:42:10,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:42:10,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:42:10,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:42:10,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:42:10,017 INFO L87 Difference]: Start difference. First operand 32913 states and 47960 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 18:42:13,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:15,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:37,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:42:37,451 INFO L93 Difference]: Finished difference Result 74923 states and 109359 transitions. [2022-11-25 18:42:37,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:42:37,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 293 [2022-11-25 18:42:37,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:42:37,831 INFO L225 Difference]: With dead ends: 74923 [2022-11-25 18:42:37,831 INFO L226 Difference]: Without dead ends: 42023 [2022-11-25 18:42:37,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:42:37,954 INFO L413 NwaCegarLoop]: 1905 mSDtfsCounter, 2064 mSDsluCounter, 2841 mSDsCounter, 0 mSdLazyCounter, 5959 mSolverCounterSat, 1380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2544 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 7339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1380 IncrementalHoareTripleChecker+Valid, 5959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:42:37,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2544 Valid, 4746 Invalid, 7339 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1380 Valid, 5959 Invalid, 0 Unknown, 0 Unchecked, 19.9s Time] [2022-11-25 18:42:37,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42023 states.