./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-usb-smsc95xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0a0fd6bb20819f4c1984e3b3e8e83ec7b86578d28f1c3e6d8ae5f0c954457512 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:39:48,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:39:48,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:39:48,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:39:48,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:39:48,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:39:48,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:39:48,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:39:48,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:39:48,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:39:48,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:39:48,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:39:48,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:39:48,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:39:48,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:39:48,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:39:48,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:39:48,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:39:48,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:39:48,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:39:48,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:39:48,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:39:48,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:39:48,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:39:48,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:39:48,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:39:48,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:39:48,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:39:48,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:39:48,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:39:48,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:39:48,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:39:48,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:39:48,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:39:48,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:39:48,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:39:48,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:39:48,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:39:48,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:39:48,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:39:48,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:39:48,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 20:39:48,742 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:39:48,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:39:48,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:39:48,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:39:48,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:39:48,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:39:48,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:39:48,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:39:48,744 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:39:48,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:39:48,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:39:48,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:39:48,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:39:48,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:39:48,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:39:48,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:39:48,755 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:39:48,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:39:48,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:39:48,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:39:48,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:39:48,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:39:48,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:39:48,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:39:48,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:39:48,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:39:48,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:39:48,756 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:39:48,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:39:48,757 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:39:48,757 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:39:48,757 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:39:48,757 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_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a0fd6bb20819f4c1984e3b3e8e83ec7b86578d28f1c3e6d8ae5f0c954457512 [2022-12-13 20:39:48,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:39:48,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:39:48,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:39:48,966 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:39:48,967 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:39:48,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2022-12-13 20:39:51,482 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:39:51,853 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:39:51,854 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2022-12-13 20:39:51,877 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/data/04f7eede7/2949a0eba29c4588b5d6dc42bedd6fb1/FLAGf2a4b45dc [2022-12-13 20:39:52,043 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/data/04f7eede7/2949a0eba29c4588b5d6dc42bedd6fb1 [2022-12-13 20:39:52,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:39:52,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:39:52,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:39:52,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:39:52,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:39:52,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:39:52" (1/1) ... [2022-12-13 20:39:52,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b01319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:52, skipping insertion in model container [2022-12-13 20:39:52,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:39:52" (1/1) ... [2022-12-13 20:39:52,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:39:52,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:39:52,666 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 20:39:52,793 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 20:39:52,859 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-13 20:39:52,977 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:52,984 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,001 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,006 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 20:39:53,006 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,008 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,009 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,009 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,010 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:39:53,014 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 20:39:53,014 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,015 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,017 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,017 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,018 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:39:53,035 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,036 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:39:53,037 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,041 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,041 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:39:53,042 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,047 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,048 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,053 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,054 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,055 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,059 WARN L623 FunctionHandler]: Unknown extern function usbnet_write_cmd_async [2022-12-13 20:39:53,060 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,064 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 20:39:53,064 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-13 20:39:53,070 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,072 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,075 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,077 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,078 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,078 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,079 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,086 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,091 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,100 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-12-13 20:39:53,101 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-13 20:39:53,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,107 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,112 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,115 WARN L623 FunctionHandler]: Unknown extern function usbnet_defer_kevent [2022-12-13 20:39:53,116 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,134 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,142 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,142 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,151 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-13 20:39:53,152 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,158 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-13 20:39:53,163 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,165 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,182 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 20:39:53,183 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,183 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,184 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-13 20:39:53,185 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,191 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,192 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 20:39:53,193 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,194 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 20:39:53,195 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,196 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,198 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,200 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,202 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,205 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,207 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,209 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,211 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,213 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,215 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,216 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,217 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,218 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,220 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:39:53,227 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_endpoints [2022-12-13 20:39:53,227 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,229 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:39:53,238 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,238 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:39:53,243 WARN L623 FunctionHandler]: Unknown extern function crc16 [2022-12-13 20:39:53,243 WARN L623 FunctionHandler]: Unknown extern function bitrev16 [2022-12-13 20:39:53,249 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,278 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,285 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,286 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,287 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,288 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,288 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,288 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,290 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,296 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-13 20:39:53,296 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,297 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,298 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,300 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,301 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,302 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,303 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,307 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,310 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,313 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,316 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:39:53,316 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:39:53,320 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,320 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,321 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,321 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,323 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,324 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-13 20:39:53,331 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,333 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-13 20:39:53,334 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,339 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 20:39:53,344 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 20:39:53,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:53,350 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 20:39:53,351 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-12-13 20:39:53,351 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:53,352 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 20:39:53,353 WARN L623 FunctionHandler]: Unknown extern function usbnet_skb_return [2022-12-13 20:39:53,353 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 20:39:53,353 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 20:39:53,362 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-12-13 20:39:53,363 WARN L623 FunctionHandler]: Unknown extern function csum_partial [2022-12-13 20:39:53,363 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 20:39:53,364 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 20:39:53,364 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 20:39:53,369 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:53,369 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_no_resume [2022-12-13 20:39:53,369 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 20:39:53,578 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_link [2022-12-13 20:39:53,578 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_msglevel [2022-12-13 20:39:53,579 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_settings [2022-12-13 20:39:53,579 WARN L623 FunctionHandler]: Unknown extern function usbnet_change_mtu [2022-12-13 20:39:53,580 WARN L623 FunctionHandler]: Unknown extern function usbnet_open [2022-12-13 20:39:53,580 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 20:39:53,580 WARN L623 FunctionHandler]: Unknown extern function usbnet_start_xmit [2022-12-13 20:39:53,581 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_drvinfo [2022-12-13 20:39:53,581 WARN L623 FunctionHandler]: Unknown extern function usbnet_stop [2022-12-13 20:39:53,581 WARN L623 FunctionHandler]: Unknown extern function usbnet_tx_timeout [2022-12-13 20:39:53,582 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 20:39:53,582 WARN L623 FunctionHandler]: Unknown extern function usbnet_nway_reset [2022-12-13 20:39:53,582 WARN L623 FunctionHandler]: Unknown extern function usbnet_set_msglevel [2022-12-13 20:39:53,583 WARN L623 FunctionHandler]: Unknown extern function usbnet_set_settings [2022-12-13 20:39:53,587 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 20:39:53,597 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-13 20:39:53,598 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-13 20:39:53,599 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-13 20:39:53,601 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 20:39:53,603 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 20:39:53,604 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 20:39:53,604 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 20:39:53,604 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 20:39:53,604 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 20:39:53,605 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 20:39:53,645 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 20:39:53,645 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 20:39:53,652 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 20:39:54,093 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_4060418c-5f32-43aa-8c64-eaea821d2f72/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348095,348108] [2022-12-13 20:39:54,096 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_4060418c-5f32-43aa-8c64-eaea821d2f72/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348264,348277] [2022-12-13 20:39:54,097 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_4060418c-5f32-43aa-8c64-eaea821d2f72/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348431,348444] [2022-12-13 20:39:54,097 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_4060418c-5f32-43aa-8c64-eaea821d2f72/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348599,348612] [2022-12-13 20:39:54,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:39:54,143 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:39:54,216 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 20:39:54,218 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 20:39:54,220 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-13 20:39:54,222 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,224 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,225 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,226 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 20:39:54,226 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,227 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,227 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,228 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,228 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:39:54,229 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 20:39:54,229 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,229 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,230 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,230 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,230 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:39:54,231 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,232 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:39:54,232 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,232 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,233 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 20:39:54,233 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,234 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,234 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,235 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,236 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,236 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,237 WARN L623 FunctionHandler]: Unknown extern function usbnet_write_cmd_async [2022-12-13 20:39:54,237 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,237 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 20:39:54,238 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-13 20:39:54,239 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,240 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,242 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,243 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,243 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,243 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,244 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,245 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,247 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,249 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-12-13 20:39:54,249 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-13 20:39:54,250 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,251 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,251 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,252 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,252 WARN L623 FunctionHandler]: Unknown extern function usbnet_defer_kevent [2022-12-13 20:39:54,253 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,254 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,255 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,256 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,256 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,257 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-13 20:39:54,258 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,258 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-13 20:39:54,260 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,261 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,263 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 20:39:54,264 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,264 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,264 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-13 20:39:54,265 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,266 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,267 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 20:39:54,267 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,267 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 20:39:54,268 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,268 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,269 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,270 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,272 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,273 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,274 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,274 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,275 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,275 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,276 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,276 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,277 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:39:54,278 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_endpoints [2022-12-13 20:39:54,279 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,279 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:39:54,281 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,281 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:39:54,282 WARN L623 FunctionHandler]: Unknown extern function crc16 [2022-12-13 20:39:54,282 WARN L623 FunctionHandler]: Unknown extern function bitrev16 [2022-12-13 20:39:54,282 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,286 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,288 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,288 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,289 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,289 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,289 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,289 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,290 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,291 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-13 20:39:54,291 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,292 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,292 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,293 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,293 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,294 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,294 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,296 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,297 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,298 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,299 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:39:54,299 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:39:54,301 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,301 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,301 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,301 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,302 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,302 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-13 20:39:54,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,304 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-13 20:39:54,305 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,305 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 20:39:54,306 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 20:39:54,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,308 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-13 20:39:54,308 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 20:39:54,308 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-12-13 20:39:54,309 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 20:39:54,309 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 20:39:54,309 WARN L623 FunctionHandler]: Unknown extern function usbnet_skb_return [2022-12-13 20:39:54,309 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 20:39:54,309 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 20:39:54,311 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-12-13 20:39:54,312 WARN L623 FunctionHandler]: Unknown extern function csum_partial [2022-12-13 20:39:54,312 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 20:39:54,312 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 20:39:54,313 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 20:39:54,313 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 20:39:54,313 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface_no_resume [2022-12-13 20:39:54,314 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 20:39:54,320 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_link [2022-12-13 20:39:54,320 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_msglevel [2022-12-13 20:39:54,320 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_settings [2022-12-13 20:39:54,320 WARN L623 FunctionHandler]: Unknown extern function usbnet_change_mtu [2022-12-13 20:39:54,321 WARN L623 FunctionHandler]: Unknown extern function usbnet_open [2022-12-13 20:39:54,321 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 20:39:54,321 WARN L623 FunctionHandler]: Unknown extern function usbnet_start_xmit [2022-12-13 20:39:54,321 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_drvinfo [2022-12-13 20:39:54,321 WARN L623 FunctionHandler]: Unknown extern function usbnet_stop [2022-12-13 20:39:54,322 WARN L623 FunctionHandler]: Unknown extern function usbnet_tx_timeout [2022-12-13 20:39:54,322 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 20:39:54,322 WARN L623 FunctionHandler]: Unknown extern function usbnet_nway_reset [2022-12-13 20:39:54,322 WARN L623 FunctionHandler]: Unknown extern function usbnet_set_msglevel [2022-12-13 20:39:54,322 WARN L623 FunctionHandler]: Unknown extern function usbnet_set_settings [2022-12-13 20:39:54,324 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 20:39:54,330 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-13 20:39:54,331 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-13 20:39:54,331 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-13 20:39:54,333 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 20:39:54,334 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 20:39:54,335 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 20:39:54,335 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 20:39:54,335 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 20:39:54,335 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 20:39:54,335 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 20:39:54,337 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 20:39:54,337 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 20:39:54,338 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 20:39:54,351 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_4060418c-5f32-43aa-8c64-eaea821d2f72/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348095,348108] [2022-12-13 20:39:54,351 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_4060418c-5f32-43aa-8c64-eaea821d2f72/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348264,348277] [2022-12-13 20:39:54,351 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_4060418c-5f32-43aa-8c64-eaea821d2f72/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348431,348444] [2022-12-13 20:39:54,352 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_4060418c-5f32-43aa-8c64-eaea821d2f72/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i[348599,348612] [2022-12-13 20:39:54,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:39:54,491 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:39:54,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54 WrapperNode [2022-12-13 20:39:54,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:39:54,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:39:54,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:39:54,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:39:54,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (1/1) ... [2022-12-13 20:39:54,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (1/1) ... [2022-12-13 20:39:54,644 INFO L138 Inliner]: procedures = 391, calls = 2978, calls flagged for inlining = 179, calls inlined = 164, statements flattened = 6208 [2022-12-13 20:39:54,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:39:54,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:39:54,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:39:54,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:39:54,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (1/1) ... [2022-12-13 20:39:54,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (1/1) ... [2022-12-13 20:39:54,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (1/1) ... [2022-12-13 20:39:54,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (1/1) ... [2022-12-13 20:39:54,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (1/1) ... [2022-12-13 20:39:54,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (1/1) ... [2022-12-13 20:39:54,788 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (1/1) ... [2022-12-13 20:39:54,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (1/1) ... [2022-12-13 20:39:54,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:39:54,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:39:54,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:39:54,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:39:54,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (1/1) ... [2022-12-13 20:39:54,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:39:54,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:39:54,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:39:54,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4060418c-5f32-43aa-8c64-eaea821d2f72/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:39:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 20:39:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 20:39:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2022-12-13 20:39:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2022-12-13 20:39:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_reset [2022-12-13 20:39:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_reset [2022-12-13 20:39:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 20:39:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 20:39:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2022-12-13 20:39:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2022-12-13 20:39:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_getregslen [2022-12-13 20:39:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_getregslen [2022-12-13 20:39:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_write [2022-12-13 20:39:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_write [2022-12-13 20:39:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 20:39:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 20:39:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-12-13 20:39:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_nopm [2022-12-13 20:39:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_nopm [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc95xx_driver_exit_6_2 [2022-12-13 20:39:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc95xx_driver_exit_6_2 [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enable_phy_wakeup_interrupts [2022-12-13 20:39:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enable_phy_wakeup_interrupts [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 20:39:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 20:39:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 20:39:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg [2022-12-13 20:39:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_csum_offload [2022-12-13 20:39:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_csum_offload [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg_nopm [2022-12-13 20:39:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg_nopm [2022-12-13 20:39:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-12-13 20:39:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 20:39:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-12-13 20:39:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-12-13 20:39:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write_nopm [2022-12-13 20:39:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write_nopm [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 20:39:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_eeprom_len [2022-12-13 20:39:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_eeprom_len [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-12-13 20:39:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2022-12-13 20:39:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 20:39:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-13 20:39:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-13 20:39:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 20:39:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 20:39:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_rx_path [2022-12-13 20:39:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_rx_path [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 20:39:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-12-13 20:39:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_write_reg [2022-12-13 20:39:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_write_reg [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_features [2022-12-13 20:39:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_features [2022-12-13 20:39:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-13 20:39:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_wait_eeprom [2022-12-13 20:39:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_wait_eeprom [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:39:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_read_reg [2022-12-13 20:39:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_read_reg [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-13 20:39:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-13 20:39:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 20:39:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-13 20:39:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 20:39:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_reset [2022-12-13 20:39:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_reset [2022-12-13 20:39:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2022-12-13 20:39:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-12-13 20:39:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mac_cr_lock_of_smsc95xx_priv [2022-12-13 20:39:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mac_cr_lock_of_smsc95xx_priv [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg [2022-12-13 20:39:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 20:39:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 20:39:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write [2022-12-13 20:39:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 20:39:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend1 [2022-12-13 20:39:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend1 [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend2 [2022-12-13 20:39:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend2 [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_eeprom [2022-12-13 20:39:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_eeprom [2022-12-13 20:39:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_multicast [2022-12-13 20:39:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_multicast [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2022-12-13 20:39:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 20:39:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 20:39:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 20:39:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 20:39:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 20:39:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read [2022-12-13 20:39:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_phy_wait_not_busy [2022-12-13 20:39:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_phy_wait_not_busy [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-12-13 20:39:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2022-12-13 20:39:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2022-12-13 20:39:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_async [2022-12-13 20:39:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_async [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 20:39:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read_nopm [2022-12-13 20:39:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read_nopm [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_resume [2022-12-13 20:39:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_resume [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-12-13 20:39:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 20:39:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_read [2022-12-13 20:39:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_read [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_eeprom_confirm_not_busy [2022-12-13 20:39:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_eeprom_confirm_not_busy [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 20:39:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:39:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 20:39:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 20:39:55,424 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:39:55,426 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:39:55,698 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 20:40:07,729 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-13 20:40:07,798 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:40:07,825 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:40:07,825 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:40:07,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:40:07 BoogieIcfgContainer [2022-12-13 20:40:07,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:40:07,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:40:07,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:40:07,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:40:07,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:39:52" (1/3) ... [2022-12-13 20:40:07,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56dfeb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:40:07, skipping insertion in model container [2022-12-13 20:40:07,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:39:54" (2/3) ... [2022-12-13 20:40:07,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56dfeb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:40:07, skipping insertion in model container [2022-12-13 20:40:07,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:40:07" (3/3) ... [2022-12-13 20:40:07,834 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc95xx.cil.i [2022-12-13 20:40:07,847 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:40:07,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 20:40:07,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:40:07,909 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;@2b57d35a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:40:07,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 20:40:07,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 1708 states, 1243 states have (on average 1.349959774738536) internal successors, (1678), 1249 states have internal predecessors, (1678), 386 states have call successors, (386), 77 states have call predecessors, (386), 76 states have return successors, (379), 379 states have call predecessors, (379), 379 states have call successors, (379) [2022-12-13 20:40:07,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-12-13 20:40:07,932 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:40:07,933 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:40:07,933 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:40:07,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:40:07,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1776384080, now seen corresponding path program 1 times [2022-12-13 20:40:07,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:40:07,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419592844] [2022-12-13 20:40:07,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:40:07,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:40:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:40:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:40:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:40:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:40:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:40:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:40:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:40:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:40:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:40:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:40:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:40:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:40:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:40:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:40:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:40:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:40:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:40:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:40:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:40:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 20:40:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2022-12-13 20:40:08,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:40:08,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419592844] [2022-12-13 20:40:08,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419592844] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:40:08,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:40:08,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:40:08,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416056784] [2022-12-13 20:40:08,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:40:08,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:40:08,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:40:08,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:40:08,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:40:08,751 INFO L87 Difference]: Start difference. First operand has 1708 states, 1243 states have (on average 1.349959774738536) internal successors, (1678), 1249 states have internal predecessors, (1678), 386 states have call successors, (386), 77 states have call predecessors, (386), 76 states have return successors, (379), 379 states have call predecessors, (379), 379 states have call successors, (379) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 20:40:12,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:40:14,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:40:14,596 INFO L93 Difference]: Finished difference Result 4974 states and 7461 transitions. [2022-12-13 20:40:14,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:40:14,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 228 [2022-12-13 20:40:14,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:40:14,627 INFO L225 Difference]: With dead ends: 4974 [2022-12-13 20:40:14,627 INFO L226 Difference]: Without dead ends: 3296 [2022-12-13 20:40:14,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:40:14,641 INFO L413 NwaCegarLoop]: 2398 mSDtfsCounter, 2656 mSDsluCounter, 3428 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 5826 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 775 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:40:14,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2836 Valid, 5826 Invalid, 2152 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [775 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-13 20:40:14,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2022-12-13 20:40:14,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3254. [2022-12-13 20:40:14,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3254 states, 2397 states have (on average 1.3433458489778891) internal successors, (3220), 2408 states have internal predecessors, (3220), 706 states have call successors, (706), 149 states have call predecessors, (706), 148 states have return successors, (702), 702 states have call predecessors, (702), 702 states have call successors, (702) [2022-12-13 20:40:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 4628 transitions. [2022-12-13 20:40:14,844 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 4628 transitions. Word has length 228 [2022-12-13 20:40:14,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:40:14,845 INFO L495 AbstractCegarLoop]: Abstraction has 3254 states and 4628 transitions. [2022-12-13 20:40:14,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 20:40:14,846 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 4628 transitions. [2022-12-13 20:40:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-12-13 20:40:14,854 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:40:14,854 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:40:14,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:40:14,855 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:40:14,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:40:14,856 INFO L85 PathProgramCache]: Analyzing trace with hash -210309455, now seen corresponding path program 1 times [2022-12-13 20:40:14,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:40:14,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810866592] [2022-12-13 20:40:14,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:40:14,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:40:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:40:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:40:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:40:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:40:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:40:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:40:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:40:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:40:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:40:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:40:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:40:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:40:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:40:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:40:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:40:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:40:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:40:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:40:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:40:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:40:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2022-12-13 20:40:15,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:40:15,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810866592] [2022-12-13 20:40:15,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810866592] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:40:15,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:40:15,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:40:15,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732758327] [2022-12-13 20:40:15,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:40:15,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:40:15,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:40:15,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:40:15,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:40:15,379 INFO L87 Difference]: Start difference. First operand 3254 states and 4628 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 20:40:17,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:40:20,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:40:20,793 INFO L93 Difference]: Finished difference Result 7726 states and 11010 transitions. [2022-12-13 20:40:20,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:40:20,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 243 [2022-12-13 20:40:20,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:40:20,808 INFO L225 Difference]: With dead ends: 7726 [2022-12-13 20:40:20,808 INFO L226 Difference]: Without dead ends: 4513 [2022-12-13 20:40:20,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:40:20,815 INFO L413 NwaCegarLoop]: 2473 mSDtfsCounter, 2318 mSDsluCounter, 3449 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2489 SdHoareTripleChecker+Valid, 5922 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:40:20,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2489 Valid, 5922 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [780 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-12-13 20:40:20,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4513 states. [2022-12-13 20:40:20,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4513 to 4429. [2022-12-13 20:40:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4429 states, 3220 states have (on average 1.3440993788819875) internal successors, (4328), 3239 states have internal predecessors, (4328), 985 states have call successors, (985), 222 states have call predecessors, (985), 221 states have return successors, (981), 976 states have call predecessors, (981), 981 states have call successors, (981) [2022-12-13 20:40:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4429 states to 4429 states and 6294 transitions. [2022-12-13 20:40:20,938 INFO L78 Accepts]: Start accepts. Automaton has 4429 states and 6294 transitions. Word has length 243 [2022-12-13 20:40:20,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:40:20,939 INFO L495 AbstractCegarLoop]: Abstraction has 4429 states and 6294 transitions. [2022-12-13 20:40:20,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 20:40:20,939 INFO L276 IsEmpty]: Start isEmpty. Operand 4429 states and 6294 transitions. [2022-12-13 20:40:20,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-12-13 20:40:20,943 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:40:20,944 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:40:20,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:40:20,944 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:40:20,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:40:20,944 INFO L85 PathProgramCache]: Analyzing trace with hash -398764220, now seen corresponding path program 1 times [2022-12-13 20:40:20,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:40:20,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284289680] [2022-12-13 20:40:20,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:40:20,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:40:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:40:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:40:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:40:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:40:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:40:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:40:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:40:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:40:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:40:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:40:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:40:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:40:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:40:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:40:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:40:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:40:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:40:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:40:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:40:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:40:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:40:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:40:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:40:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:40:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:40:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 20:40:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:21,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2022-12-13 20:40:21,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:40:21,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284289680] [2022-12-13 20:40:21,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284289680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:40:21,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:40:21,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:40:21,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52004495] [2022-12-13 20:40:21,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:40:21,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:40:21,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:40:21,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:40:21,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:40:21,785 INFO L87 Difference]: Start difference. First operand 4429 states and 6294 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 20:40:27,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:40:27,010 INFO L93 Difference]: Finished difference Result 4492 states and 6401 transitions. [2022-12-13 20:40:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:40:27,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 287 [2022-12-13 20:40:27,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:40:27,025 INFO L225 Difference]: With dead ends: 4492 [2022-12-13 20:40:27,025 INFO L226 Difference]: Without dead ends: 4490 [2022-12-13 20:40:27,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:40:27,028 INFO L413 NwaCegarLoop]: 2085 mSDtfsCounter, 2416 mSDsluCounter, 5256 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 7341 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:40:27,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2564 Valid, 7341 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 1603 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-13 20:40:27,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2022-12-13 20:40:27,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 4433. [2022-12-13 20:40:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4433 states, 3223 states have (on average 1.3437790878063915) internal successors, (4331), 3242 states have internal predecessors, (4331), 985 states have call successors, (985), 223 states have call predecessors, (985), 222 states have return successors, (981), 976 states have call predecessors, (981), 981 states have call successors, (981) [2022-12-13 20:40:27,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4433 states to 4433 states and 6297 transitions. [2022-12-13 20:40:27,166 INFO L78 Accepts]: Start accepts. Automaton has 4433 states and 6297 transitions. Word has length 287 [2022-12-13 20:40:27,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:40:27,167 INFO L495 AbstractCegarLoop]: Abstraction has 4433 states and 6297 transitions. [2022-12-13 20:40:27,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 20:40:27,168 INFO L276 IsEmpty]: Start isEmpty. Operand 4433 states and 6297 transitions. [2022-12-13 20:40:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-12-13 20:40:27,174 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:40:27,175 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:40:27,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:40:27,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:40:27,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:40:27,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1301693382, now seen corresponding path program 1 times [2022-12-13 20:40:27,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:40:27,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714224424] [2022-12-13 20:40:27,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:40:27,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:40:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:40:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:40:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:40:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:40:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:40:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:40:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:40:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:40:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:40:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:40:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:40:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:40:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:40:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:40:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:40:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:40:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:40:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:40:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:40:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:40:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:40:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:40:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:40:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:40:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:40:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 20:40:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 20:40:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2022-12-13 20:40:27,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:40:27,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714224424] [2022-12-13 20:40:27,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714224424] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:40:27,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:40:27,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:40:27,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191970120] [2022-12-13 20:40:27,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:40:27,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:40:27,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:40:27,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:40:27,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:40:27,998 INFO L87 Difference]: Start difference. First operand 4433 states and 6297 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 20:40:32,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:40:32,876 INFO L93 Difference]: Finished difference Result 4496 states and 6404 transitions. [2022-12-13 20:40:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:40:32,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 292 [2022-12-13 20:40:32,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:40:32,896 INFO L225 Difference]: With dead ends: 4496 [2022-12-13 20:40:32,896 INFO L226 Difference]: Without dead ends: 4494 [2022-12-13 20:40:32,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:40:32,900 INFO L413 NwaCegarLoop]: 2085 mSDtfsCounter, 2408 mSDsluCounter, 5256 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 7341 SdHoareTripleChecker+Invalid, 2095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:40:32,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 7341 Invalid, 2095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-13 20:40:32,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4494 states. [2022-12-13 20:40:33,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4494 to 4437. [2022-12-13 20:40:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4437 states, 3226 states have (on average 1.3434593924364537) internal successors, (4334), 3245 states have internal predecessors, (4334), 985 states have call successors, (985), 224 states have call predecessors, (985), 223 states have return successors, (981), 976 states have call predecessors, (981), 981 states have call successors, (981) [2022-12-13 20:40:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4437 states and 6300 transitions. [2022-12-13 20:40:33,141 INFO L78 Accepts]: Start accepts. Automaton has 4437 states and 6300 transitions. Word has length 292 [2022-12-13 20:40:33,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:40:33,141 INFO L495 AbstractCegarLoop]: Abstraction has 4437 states and 6300 transitions. [2022-12-13 20:40:33,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 20:40:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 4437 states and 6300 transitions. [2022-12-13 20:40:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-12-13 20:40:33,152 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:40:33,152 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:40:33,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:40:33,152 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:40:33,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:40:33,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1730864714, now seen corresponding path program 1 times [2022-12-13 20:40:33,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:40:33,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089072081] [2022-12-13 20:40:33,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:40:33,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:40:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:40:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:40:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:40:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:40:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:40:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:40:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:40:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:40:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:40:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:40:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:40:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:40:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:40:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:40:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:40:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:40:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:40:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:40:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:40:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:40:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:40:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:40:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:40:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:40:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:40:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 20:40:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:40:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:40:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 20:40:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 20:40:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1655 trivial. 0 not checked. [2022-12-13 20:40:33,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:40:33,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089072081] [2022-12-13 20:40:33,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089072081] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:40:33,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:40:33,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:40:33,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242561769] [2022-12-13 20:40:33,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:40:33,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:40:33,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:40:33,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:40:33,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:40:33,732 INFO L87 Difference]: Start difference. First operand 4437 states and 6300 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 20:40:45,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:40:45,592 INFO L93 Difference]: Finished difference Result 10533 states and 14983 transitions. [2022-12-13 20:40:45,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:40:45,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 307 [2022-12-13 20:40:45,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:40:45,614 INFO L225 Difference]: With dead ends: 10533 [2022-12-13 20:40:45,614 INFO L226 Difference]: Without dead ends: 7460 [2022-12-13 20:40:45,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:40:45,621 INFO L413 NwaCegarLoop]: 2175 mSDtfsCounter, 3027 mSDsluCounter, 3847 mSDsCounter, 0 mSdLazyCounter, 6223 mSolverCounterSat, 1314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3326 SdHoareTripleChecker+Valid, 6022 SdHoareTripleChecker+Invalid, 7537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1314 IncrementalHoareTripleChecker+Valid, 6223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:40:45,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3326 Valid, 6022 Invalid, 7537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1314 Valid, 6223 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-12-13 20:40:45,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7460 states. [2022-12-13 20:40:45,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7460 to 7335. [2022-12-13 20:40:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7335 states, 5360 states have (on average 1.3455223880597016) internal successors, (7212), 5385 states have internal predecessors, (7212), 1605 states have call successors, (1605), 368 states have call predecessors, (1605), 367 states have return successors, (1601), 1596 states have call predecessors, (1601), 1601 states have call successors, (1601) [2022-12-13 20:40:45,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7335 states to 7335 states and 10418 transitions. [2022-12-13 20:40:45,896 INFO L78 Accepts]: Start accepts. Automaton has 7335 states and 10418 transitions. Word has length 307 [2022-12-13 20:40:45,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:40:45,897 INFO L495 AbstractCegarLoop]: Abstraction has 7335 states and 10418 transitions. [2022-12-13 20:40:45,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 20:40:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 7335 states and 10418 transitions. [2022-12-13 20:40:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-12-13 20:40:45,902 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:40:45,902 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:40:45,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:40:45,903 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:40:45,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:40:45,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1568610500, now seen corresponding path program 1 times [2022-12-13 20:40:45,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:40:45,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116164515] [2022-12-13 20:40:45,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:40:45,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:40:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:40:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:40:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:40:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:40:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:40:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:40:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:40:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:40:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:40:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:40:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:40:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:40:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:40:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:40:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:40:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:40:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:40:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:40:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:40:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:40:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:40:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:40:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:40:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:40:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:40:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 20:40:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 20:40:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:40:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2022-12-13 20:40:46,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:40:46,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116164515] [2022-12-13 20:40:46,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116164515] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:40:46,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:40:46,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:40:46,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825492906] [2022-12-13 20:40:46,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:40:46,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:40:46,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:40:46,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:40:46,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:40:46,684 INFO L87 Difference]: Start difference. First operand 7335 states and 10418 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 20:40:50,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:40:52,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:40:52,037 INFO L93 Difference]: Finished difference Result 7436 states and 10581 transitions. [2022-12-13 20:40:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:40:52,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 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 297 [2022-12-13 20:40:52,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:40:52,058 INFO L225 Difference]: With dead ends: 7436 [2022-12-13 20:40:52,058 INFO L226 Difference]: Without dead ends: 7434 [2022-12-13 20:40:52,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:40:52,061 INFO L413 NwaCegarLoop]: 2084 mSDtfsCounter, 2408 mSDsluCounter, 5253 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2557 SdHoareTripleChecker+Valid, 7337 SdHoareTripleChecker+Invalid, 2094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:40:52,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2557 Valid, 7337 Invalid, 2094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [488 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-12-13 20:40:52,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7434 states. [2022-12-13 20:40:52,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7434 to 7339. [2022-12-13 20:40:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7339 states, 5363 states have (on average 1.3453291068431847) internal successors, (7215), 5388 states have internal predecessors, (7215), 1605 states have call successors, (1605), 369 states have call predecessors, (1605), 368 states have return successors, (1601), 1596 states have call predecessors, (1601), 1601 states have call successors, (1601) [2022-12-13 20:40:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7339 states to 7339 states and 10421 transitions. [2022-12-13 20:40:52,347 INFO L78 Accepts]: Start accepts. Automaton has 7339 states and 10421 transitions. Word has length 297 [2022-12-13 20:40:52,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:40:52,348 INFO L495 AbstractCegarLoop]: Abstraction has 7339 states and 10421 transitions. [2022-12-13 20:40:52,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 20:40:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 7339 states and 10421 transitions. [2022-12-13 20:40:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-12-13 20:40:52,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:40:52,360 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:40:52,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:40:52,361 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:40:52,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:40:52,361 INFO L85 PathProgramCache]: Analyzing trace with hash -459170890, now seen corresponding path program 1 times [2022-12-13 20:40:52,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:40:52,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068811539] [2022-12-13 20:40:52,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:40:52,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:40:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:40:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:40:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:40:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:40:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:40:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:40:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:40:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:40:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:40:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:40:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:40:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:40:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:40:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:40:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:40:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:40:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:40:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:40:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:40:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:40:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:40:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:40:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:40:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:40:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:40:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 20:40:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:40:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:40:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 20:40:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 20:40:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 20:40:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1663 trivial. 0 not checked. [2022-12-13 20:40:52,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:40:52,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068811539] [2022-12-13 20:40:52,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068811539] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:40:52,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:40:52,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:40:52,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227218817] [2022-12-13 20:40:52,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:40:52,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:40:52,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:40:52,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:40:52,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:40:52,827 INFO L87 Difference]: Start difference. First operand 7339 states and 10421 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 20:41:05,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:41:05,506 INFO L93 Difference]: Finished difference Result 16347 states and 23243 transitions. [2022-12-13 20:41:05,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:41:05,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 312 [2022-12-13 20:41:05,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:41:05,530 INFO L225 Difference]: With dead ends: 16347 [2022-12-13 20:41:05,530 INFO L226 Difference]: Without dead ends: 10372 [2022-12-13 20:41:05,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:41:05,541 INFO L413 NwaCegarLoop]: 2175 mSDtfsCounter, 3022 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 6188 mSolverCounterSat, 1268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3322 SdHoareTripleChecker+Valid, 6023 SdHoareTripleChecker+Invalid, 7456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1268 IncrementalHoareTripleChecker+Valid, 6188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:41:05,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3322 Valid, 6023 Invalid, 7456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1268 Valid, 6188 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time] [2022-12-13 20:41:05,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10372 states. [2022-12-13 20:41:05,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10372 to 10235. [2022-12-13 20:41:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10235 states, 7495 states have (on average 1.3463642428285523) internal successors, (10091), 7526 states have internal predecessors, (10091), 2225 states have call successors, (2225), 513 states have call predecessors, (2225), 512 states have return successors, (2221), 2216 states have call predecessors, (2221), 2221 states have call successors, (2221) [2022-12-13 20:41:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10235 states to 10235 states and 14537 transitions. [2022-12-13 20:41:05,932 INFO L78 Accepts]: Start accepts. Automaton has 10235 states and 14537 transitions. Word has length 312 [2022-12-13 20:41:05,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:41:05,933 INFO L495 AbstractCegarLoop]: Abstraction has 10235 states and 14537 transitions. [2022-12-13 20:41:05,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 20:41:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 10235 states and 14537 transitions. [2022-12-13 20:41:05,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-12-13 20:41:05,941 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:41:05,941 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:41:05,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:41:05,942 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:41:05,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:41:05,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1090329146, now seen corresponding path program 1 times [2022-12-13 20:41:05,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:41:05,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972330877] [2022-12-13 20:41:05,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:41:05,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:41:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:41:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:41:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:41:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:41:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:41:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:41:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:41:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:41:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:41:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:41:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:41:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:41:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:41:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:41:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:41:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:41:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:41:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:41:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:41:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:41:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:41:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:41:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:41:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:41:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:41:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 20:41:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 20:41:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:41:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 20:41:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2022-12-13 20:41:06,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:41:06,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972330877] [2022-12-13 20:41:06,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972330877] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:41:06,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:41:06,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:41:06,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331421980] [2022-12-13 20:41:06,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:41:06,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:41:06,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:41:06,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:41:06,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:41:06,614 INFO L87 Difference]: Start difference. First operand 10235 states and 14537 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 20:41:09,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:10,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:11,176 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 [] [2022-12-13 20:41:13,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:41:13,655 INFO L93 Difference]: Finished difference Result 10374 states and 14756 transitions. [2022-12-13 20:41:13,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:41:13,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 302 [2022-12-13 20:41:13,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:41:13,676 INFO L225 Difference]: With dead ends: 10374 [2022-12-13 20:41:13,676 INFO L226 Difference]: Without dead ends: 10372 [2022-12-13 20:41:13,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:41:13,678 INFO L413 NwaCegarLoop]: 2084 mSDtfsCounter, 2408 mSDsluCounter, 5253 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2557 SdHoareTripleChecker+Valid, 7337 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:41:13,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2557 Valid, 7337 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-12-13 20:41:13,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10372 states. [2022-12-13 20:41:14,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10372 to 10239. [2022-12-13 20:41:14,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10239 states, 7498 states have (on average 1.346225660176047) internal successors, (10094), 7529 states have internal predecessors, (10094), 2225 states have call successors, (2225), 514 states have call predecessors, (2225), 513 states have return successors, (2221), 2216 states have call predecessors, (2221), 2221 states have call successors, (2221) [2022-12-13 20:41:14,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10239 states to 10239 states and 14540 transitions. [2022-12-13 20:41:14,085 INFO L78 Accepts]: Start accepts. Automaton has 10239 states and 14540 transitions. Word has length 302 [2022-12-13 20:41:14,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:41:14,086 INFO L495 AbstractCegarLoop]: Abstraction has 10239 states and 14540 transitions. [2022-12-13 20:41:14,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 20:41:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 10239 states and 14540 transitions. [2022-12-13 20:41:14,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-12-13 20:41:14,092 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:41:14,093 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:41:14,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 20:41:14,093 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:41:14,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:41:14,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1519430212, now seen corresponding path program 1 times [2022-12-13 20:41:14,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:41:14,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20897853] [2022-12-13 20:41:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:41:14,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:41:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:41:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:41:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:41:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:41:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:41:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:41:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:41:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:41:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:41:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:41:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:41:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:41:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:41:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:41:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:41:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:41:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:41:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:41:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:41:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:41:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:41:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:41:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:41:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:41:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:41:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 20:41:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 20:41:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:41:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 20:41:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 20:41:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1671 trivial. 0 not checked. [2022-12-13 20:41:14,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:41:14,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20897853] [2022-12-13 20:41:14,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20897853] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:41:14,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:41:14,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:41:14,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878553780] [2022-12-13 20:41:14,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:41:14,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:41:14,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:41:14,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:41:14,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:41:14,748 INFO L87 Difference]: Start difference. First operand 10239 states and 14540 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 20:41:15,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:17,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:18,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:21,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:41:21,313 INFO L93 Difference]: Finished difference Result 10378 states and 14759 transitions. [2022-12-13 20:41:21,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:41:21,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 307 [2022-12-13 20:41:21,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:41:21,333 INFO L225 Difference]: With dead ends: 10378 [2022-12-13 20:41:21,333 INFO L226 Difference]: Without dead ends: 10376 [2022-12-13 20:41:21,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:41:21,336 INFO L413 NwaCegarLoop]: 2082 mSDtfsCounter, 2408 mSDsluCounter, 5247 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2559 SdHoareTripleChecker+Valid, 7329 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:41:21,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2559 Valid, 7329 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-13 20:41:21,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10376 states. [2022-12-13 20:41:21,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10376 to 10243. [2022-12-13 20:41:21,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10243 states, 7501 states have (on average 1.3460871883748833) internal successors, (10097), 7532 states have internal predecessors, (10097), 2225 states have call successors, (2225), 515 states have call predecessors, (2225), 514 states have return successors, (2221), 2216 states have call predecessors, (2221), 2221 states have call successors, (2221) [2022-12-13 20:41:21,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10243 states to 10243 states and 14543 transitions. [2022-12-13 20:41:21,761 INFO L78 Accepts]: Start accepts. Automaton has 10243 states and 14543 transitions. Word has length 307 [2022-12-13 20:41:21,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:41:21,761 INFO L495 AbstractCegarLoop]: Abstraction has 10243 states and 14543 transitions. [2022-12-13 20:41:21,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 20:41:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 10243 states and 14543 transitions. [2022-12-13 20:41:21,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2022-12-13 20:41:21,766 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:41:21,767 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:41:21,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 20:41:21,767 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:41:21,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:41:21,767 INFO L85 PathProgramCache]: Analyzing trace with hash -132898456, now seen corresponding path program 1 times [2022-12-13 20:41:21,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:41:21,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787473107] [2022-12-13 20:41:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:41:21,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:41:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:41:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:41:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:41:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:41:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:41:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:41:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:41:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:41:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:41:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:41:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:41:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:41:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:41:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:41:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:41:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:41:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:41:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:41:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:41:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:41:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:41:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:41:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:41:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:41:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 20:41:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 20:41:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 20:41:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-12-13 20:41:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:41:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:41:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:41:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:41:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-12-13 20:41:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:41:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:41:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:41:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:41:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2022-12-13 20:41:22,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:41:22,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787473107] [2022-12-13 20:41:22,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787473107] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:41:22,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:41:22,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:41:22,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867939539] [2022-12-13 20:41:22,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:41:22,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:41:22,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:41:22,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:41:22,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:41:22,683 INFO L87 Difference]: Start difference. First operand 10243 states and 14543 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-13 20:41:25,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:32,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:34,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:36,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:38,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:40,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:41:40,010 INFO L93 Difference]: Finished difference Result 27881 states and 39653 transitions. [2022-12-13 20:41:40,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:41:40,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 441 [2022-12-13 20:41:40,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:41:40,054 INFO L225 Difference]: With dead ends: 27881 [2022-12-13 20:41:40,054 INFO L226 Difference]: Without dead ends: 17679 [2022-12-13 20:41:40,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:41:40,080 INFO L413 NwaCegarLoop]: 2403 mSDtfsCounter, 2070 mSDsluCounter, 4628 mSDsCounter, 0 mSdLazyCounter, 2283 mSolverCounterSat, 686 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 7031 SdHoareTripleChecker+Invalid, 2973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 686 IncrementalHoareTripleChecker+Valid, 2283 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:41:40,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2236 Valid, 7031 Invalid, 2973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [686 Valid, 2283 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2022-12-13 20:41:40,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17679 states. [2022-12-13 20:41:40,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17679 to 17298. [2022-12-13 20:41:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17298 states, 12770 states have (on average 1.345105716523101) internal successors, (17177), 12837 states have internal predecessors, (17177), 3650 states have call successors, (3650), 876 states have call predecessors, (3650), 875 states have return successors, (3646), 3619 states have call predecessors, (3646), 3646 states have call successors, (3646) [2022-12-13 20:41:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17298 states to 17298 states and 24473 transitions. [2022-12-13 20:41:40,855 INFO L78 Accepts]: Start accepts. Automaton has 17298 states and 24473 transitions. Word has length 441 [2022-12-13 20:41:40,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:41:40,855 INFO L495 AbstractCegarLoop]: Abstraction has 17298 states and 24473 transitions. [2022-12-13 20:41:40,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-13 20:41:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 17298 states and 24473 transitions. [2022-12-13 20:41:40,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-12-13 20:41:40,861 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:41:40,861 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:41:40,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 20:41:40,862 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)] === [2022-12-13 20:41:40,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:41:40,862 INFO L85 PathProgramCache]: Analyzing trace with hash -769287129, now seen corresponding path program 1 times [2022-12-13 20:41:40,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:41:40,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743512802] [2022-12-13 20:41:40,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:41:40,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:41:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:41:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:41:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:41:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:41:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:41:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:41:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:41:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:41:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:41:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:41:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:41:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:41:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:41:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:41:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:41:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:41:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:41:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:41:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:41:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 20:41:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:41:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:41:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:41:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:41:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 20:41:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 20:41:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 20:41:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 20:41:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:41:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:41:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:41:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:41:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-12-13 20:41:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:41:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:41:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:41:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:41:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2022-12-13 20:41:41,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:41:41,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743512802] [2022-12-13 20:41:41,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743512802] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:41:41,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:41:41,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:41:41,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974522576] [2022-12-13 20:41:41,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:41:41,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:41:41,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:41:41,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:41:41,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:41:41,565 INFO L87 Difference]: Start difference. First operand 17298 states and 24473 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-13 20:41:44,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:50,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:52,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:54,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:57,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:41:57,807 INFO L93 Difference]: Finished difference Result 42818 states and 60536 transitions. [2022-12-13 20:41:57,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:41:57,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 435 [2022-12-13 20:41:57,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:41:57,876 INFO L225 Difference]: With dead ends: 42818 [2022-12-13 20:41:57,876 INFO L226 Difference]: Without dead ends: 25561 [2022-12-13 20:41:57,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:41:57,914 INFO L413 NwaCegarLoop]: 2388 mSDtfsCounter, 2307 mSDsluCounter, 4684 mSDsCounter, 0 mSdLazyCounter, 2263 mSolverCounterSat, 766 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2466 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 3032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 766 IncrementalHoareTripleChecker+Valid, 2263 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:41:57,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2466 Valid, 7072 Invalid, 3032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [766 Valid, 2263 Invalid, 3 Unknown, 0 Unchecked, 15.1s Time] [2022-12-13 20:41:57,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25561 states. [2022-12-13 20:41:58,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25561 to 25134. [2022-12-13 20:41:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25134 states, 18551 states have (on average 1.3392269958492804) internal successors, (24844), 18656 states have internal predecessors, (24844), 5275 states have call successors, (5275), 1306 states have call predecessors, (5275), 1305 states have return successors, (5271), 5208 states have call predecessors, (5271), 5271 states have call successors, (5271) [2022-12-13 20:41:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25134 states to 25134 states and 35390 transitions. [2022-12-13 20:41:59,037 INFO L78 Accepts]: Start accepts. Automaton has 25134 states and 35390 transitions. Word has length 435 [2022-12-13 20:41:59,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:41:59,038 INFO L495 AbstractCegarLoop]: Abstraction has 25134 states and 35390 transitions. [2022-12-13 20:41:59,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-13 20:41:59,038 INFO L276 IsEmpty]: Start isEmpty. Operand 25134 states and 35390 transitions. [2022-12-13 20:41:59,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-12-13 20:41:59,041 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:41:59,041 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:41:59,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 20:41:59,041 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:41:59,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:41:59,042 INFO L85 PathProgramCache]: Analyzing trace with hash 266643514, now seen corresponding path program 1 times [2022-12-13 20:41:59,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:41:59,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104545269] [2022-12-13 20:41:59,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:41:59,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:41:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:41:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:41:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:41:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:41:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:41:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:41:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:41:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:41:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:41:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:41:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:41:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:41:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:41:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:41:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:41:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:41:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:41:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:41:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:41:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:41:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:41:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:41:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:41:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:41:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:41:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 20:41:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 20:41:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:41:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 20:41:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 20:41:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 20:41:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1697 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1687 trivial. 0 not checked. [2022-12-13 20:41:59,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:41:59,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104545269] [2022-12-13 20:41:59,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104545269] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:41:59,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:41:59,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:41:59,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384363633] [2022-12-13 20:41:59,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:41:59,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:41:59,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:41:59,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:41:59,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:41:59,524 INFO L87 Difference]: Start difference. First operand 25134 states and 35390 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 20:42:05,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:42:05,491 INFO L93 Difference]: Finished difference Result 25427 states and 35803 transitions. [2022-12-13 20:42:05,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:42:05,492 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 312 [2022-12-13 20:42:05,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:42:05,549 INFO L225 Difference]: With dead ends: 25427 [2022-12-13 20:42:05,549 INFO L226 Difference]: Without dead ends: 25425 [2022-12-13 20:42:05,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:42:05,559 INFO L413 NwaCegarLoop]: 2084 mSDtfsCounter, 2408 mSDsluCounter, 5253 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2557 SdHoareTripleChecker+Valid, 7337 SdHoareTripleChecker+Invalid, 2091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 485 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-13 20:42:05,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2557 Valid, 7337 Invalid, 2091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [485 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-13 20:42:05,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25425 states. [2022-12-13 20:42:06,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25425 to 25138. [2022-12-13 20:42:06,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25138 states, 18554 states have (on average 1.3391721461679422) internal successors, (24847), 18659 states have internal predecessors, (24847), 5275 states have call successors, (5275), 1307 states have call predecessors, (5275), 1306 states have return successors, (5271), 5208 states have call predecessors, (5271), 5271 states have call successors, (5271) [2022-12-13 20:42:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25138 states to 25138 states and 35393 transitions. [2022-12-13 20:42:06,749 INFO L78 Accepts]: Start accepts. Automaton has 25138 states and 35393 transitions. Word has length 312 [2022-12-13 20:42:06,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:42:06,750 INFO L495 AbstractCegarLoop]: Abstraction has 25138 states and 35393 transitions. [2022-12-13 20:42:06,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 20:42:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 25138 states and 35393 transitions. [2022-12-13 20:42:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-12-13 20:42:06,753 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:42:06,753 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:42:06,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 20:42:06,753 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:42:06,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:42:06,754 INFO L85 PathProgramCache]: Analyzing trace with hash 342625220, now seen corresponding path program 1 times [2022-12-13 20:42:06,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:42:06,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156675183] [2022-12-13 20:42:06,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:42:06,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:42:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:42:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:42:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:42:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:42:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:42:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:42:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:42:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:42:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:42:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:42:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:42:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:42:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:42:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:42:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:42:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:42:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:42:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:42:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:42:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:42:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:42:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:42:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:42:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:42:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:42:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 20:42:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 20:42:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:42:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 20:42:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 20:42:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 20:42:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 20:42:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1707 trivial. 0 not checked. [2022-12-13 20:42:07,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:42:07,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156675183] [2022-12-13 20:42:07,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156675183] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:42:07,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:42:07,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:42:07,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429797940] [2022-12-13 20:42:07,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:42:07,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:42:07,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:42:07,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:42:07,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:42:07,245 INFO L87 Difference]: Start difference. First operand 25138 states and 35393 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 20:42:08,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:10,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:11,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:14,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:42:14,122 INFO L93 Difference]: Finished difference Result 25431 states and 35806 transitions. [2022-12-13 20:42:14,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:42:14,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 317 [2022-12-13 20:42:14,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:42:14,181 INFO L225 Difference]: With dead ends: 25431 [2022-12-13 20:42:14,181 INFO L226 Difference]: Without dead ends: 25429 [2022-12-13 20:42:14,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:42:14,190 INFO L413 NwaCegarLoop]: 2085 mSDtfsCounter, 2408 mSDsluCounter, 5256 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 7341 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 484 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:42:14,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 7341 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [484 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-12-13 20:42:14,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25429 states. [2022-12-13 20:42:15,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25429 to 25142. [2022-12-13 20:42:15,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25142 states, 18557 states have (on average 1.3391173142210486) internal successors, (24850), 18662 states have internal predecessors, (24850), 5275 states have call successors, (5275), 1308 states have call predecessors, (5275), 1307 states have return successors, (5271), 5208 states have call predecessors, (5271), 5271 states have call successors, (5271) [2022-12-13 20:42:15,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25142 states to 25142 states and 35396 transitions. [2022-12-13 20:42:15,438 INFO L78 Accepts]: Start accepts. Automaton has 25142 states and 35396 transitions. Word has length 317 [2022-12-13 20:42:15,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:42:15,438 INFO L495 AbstractCegarLoop]: Abstraction has 25142 states and 35396 transitions. [2022-12-13 20:42:15,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 20:42:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 25142 states and 35396 transitions. [2022-12-13 20:42:15,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-12-13 20:42:15,441 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:42:15,442 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:42:15,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 20:42:15,442 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:42:15,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:42:15,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1482398150, now seen corresponding path program 1 times [2022-12-13 20:42:15,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:42:15,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049548574] [2022-12-13 20:42:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:42:15,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:42:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:42:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:42:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:42:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:42:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:42:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:42:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:42:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:42:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:42:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:42:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:42:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:42:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:42:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:42:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:42:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:42:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:42:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:42:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:42:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:42:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:42:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:42:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:42:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:42:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:42:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 20:42:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 20:42:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:42:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 20:42:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 20:42:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 20:42:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 20:42:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-12-13 20:42:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1731 trivial. 0 not checked. [2022-12-13 20:42:15,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:42:15,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049548574] [2022-12-13 20:42:15,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049548574] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:42:15,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:42:15,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:42:15,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380666008] [2022-12-13 20:42:15,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:42:15,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:42:15,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:42:15,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:42:15,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:42:15,953 INFO L87 Difference]: Start difference. First operand 25142 states and 35396 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 20:42:21,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:42:21,756 INFO L93 Difference]: Finished difference Result 25589 states and 35919 transitions. [2022-12-13 20:42:21,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:42:21,757 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 322 [2022-12-13 20:42:21,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:42:21,814 INFO L225 Difference]: With dead ends: 25589 [2022-12-13 20:42:21,814 INFO L226 Difference]: Without dead ends: 25587 [2022-12-13 20:42:21,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:42:21,822 INFO L413 NwaCegarLoop]: 2087 mSDtfsCounter, 2350 mSDsluCounter, 5316 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2487 SdHoareTripleChecker+Valid, 7403 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:42:21,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2487 Valid, 7403 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-13 20:42:21,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25587 states. [2022-12-13 20:42:23,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25587 to 25300. [2022-12-13 20:42:23,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25300 states, 18670 states have (on average 1.337064809855383) internal successors, (24963), 18775 states have internal predecessors, (24963), 5275 states have call successors, (5275), 1353 states have call predecessors, (5275), 1352 states have return successors, (5271), 5208 states have call predecessors, (5271), 5271 states have call successors, (5271) [2022-12-13 20:42:23,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25300 states to 25300 states and 35509 transitions. [2022-12-13 20:42:23,159 INFO L78 Accepts]: Start accepts. Automaton has 25300 states and 35509 transitions. Word has length 322 [2022-12-13 20:42:23,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:42:23,160 INFO L495 AbstractCegarLoop]: Abstraction has 25300 states and 35509 transitions. [2022-12-13 20:42:23,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 20:42:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 25300 states and 35509 transitions. [2022-12-13 20:42:23,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-12-13 20:42:23,163 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:42:23,163 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:42:23,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 20:42:23,164 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:42:23,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:42:23,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1257423548, now seen corresponding path program 1 times [2022-12-13 20:42:23,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:42:23,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543240587] [2022-12-13 20:42:23,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:42:23,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:42:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:42:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:42:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:42:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:42:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:42:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:42:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:42:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:42:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:42:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:42:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:42:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:42:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:42:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:42:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:42:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:42:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:42:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:42:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:42:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:42:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:42:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:42:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:42:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:42:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:42:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 20:42:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 20:42:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:42:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 20:42:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 20:42:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 20:42:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 20:42:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-12-13 20:42:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-12-13 20:42:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1759 trivial. 0 not checked. [2022-12-13 20:42:23,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:42:23,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543240587] [2022-12-13 20:42:23,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543240587] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:42:23,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:42:23,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:42:23,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556614993] [2022-12-13 20:42:23,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:42:23,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:42:23,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:42:23,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:42:23,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:42:23,651 INFO L87 Difference]: Start difference. First operand 25300 states and 35509 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 20:42:26,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:30,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:42:30,650 INFO L93 Difference]: Finished difference Result 25593 states and 35922 transitions. [2022-12-13 20:42:30,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:42:30,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 327 [2022-12-13 20:42:30,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:42:30,710 INFO L225 Difference]: With dead ends: 25593 [2022-12-13 20:42:30,711 INFO L226 Difference]: Without dead ends: 25591 [2022-12-13 20:42:30,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:42:30,720 INFO L413 NwaCegarLoop]: 2085 mSDtfsCounter, 2408 mSDsluCounter, 5256 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 7341 SdHoareTripleChecker+Invalid, 2088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:42:30,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 7341 Invalid, 2088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-13 20:42:30,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25591 states. [2022-12-13 20:42:32,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25591 to 25304. [2022-12-13 20:42:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25304 states, 18673 states have (on average 1.3370106570984845) internal successors, (24966), 18778 states have internal predecessors, (24966), 5275 states have call successors, (5275), 1354 states have call predecessors, (5275), 1353 states have return successors, (5271), 5208 states have call predecessors, (5271), 5271 states have call successors, (5271) [2022-12-13 20:42:32,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25304 states to 25304 states and 35512 transitions. [2022-12-13 20:42:32,089 INFO L78 Accepts]: Start accepts. Automaton has 25304 states and 35512 transitions. Word has length 327 [2022-12-13 20:42:32,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:42:32,089 INFO L495 AbstractCegarLoop]: Abstraction has 25304 states and 35512 transitions. [2022-12-13 20:42:32,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-13 20:42:32,089 INFO L276 IsEmpty]: Start isEmpty. Operand 25304 states and 35512 transitions. [2022-12-13 20:42:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-12-13 20:42:32,093 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:42:32,093 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:42:32,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 20:42:32,094 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)] === [2022-12-13 20:42:32,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:42:32,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1145023430, now seen corresponding path program 1 times [2022-12-13 20:42:32,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:42:32,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849400388] [2022-12-13 20:42:32,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:42:32,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:42:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:42:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:42:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:42:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:42:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:42:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:42:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:42:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:42:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:42:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:42:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:42:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:42:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:42:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:42:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:42:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:42:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:42:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:42:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:42:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:42:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:42:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:42:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:42:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:42:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:42:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 20:42:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 20:42:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:42:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 20:42:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 20:42:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 20:42:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 20:42:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-12-13 20:42:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-12-13 20:42:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 20:42:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1809 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1791 trivial. 0 not checked. [2022-12-13 20:42:32,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:42:32,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849400388] [2022-12-13 20:42:32,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849400388] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:42:32,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:42:32,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:42:32,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101171897] [2022-12-13 20:42:32,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:42:32,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:42:32,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:42:32,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:42:32,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:42:32,608 INFO L87 Difference]: Start difference. First operand 25304 states and 35512 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 20:42:35,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:36,452 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 [] [2022-12-13 20:42:39,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:42:39,971 INFO L93 Difference]: Finished difference Result 25597 states and 35925 transitions. [2022-12-13 20:42:39,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:42:39,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 332 [2022-12-13 20:42:39,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:42:40,030 INFO L225 Difference]: With dead ends: 25597 [2022-12-13 20:42:40,030 INFO L226 Difference]: Without dead ends: 25595 [2022-12-13 20:42:40,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:42:40,039 INFO L413 NwaCegarLoop]: 2084 mSDtfsCounter, 2408 mSDsluCounter, 5253 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2557 SdHoareTripleChecker+Valid, 7337 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:42:40,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2557 Valid, 7337 Invalid, 2087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-12-13 20:42:40,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25595 states. [2022-12-13 20:42:41,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25595 to 25308. [2022-12-13 20:42:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25308 states, 18676 states have (on average 1.3369565217391304) internal successors, (24969), 18781 states have internal predecessors, (24969), 5275 states have call successors, (5275), 1355 states have call predecessors, (5275), 1354 states have return successors, (5271), 5208 states have call predecessors, (5271), 5271 states have call successors, (5271) [2022-12-13 20:42:41,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25308 states to 25308 states and 35515 transitions. [2022-12-13 20:42:41,494 INFO L78 Accepts]: Start accepts. Automaton has 25308 states and 35515 transitions. Word has length 332 [2022-12-13 20:42:41,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:42:41,494 INFO L495 AbstractCegarLoop]: Abstraction has 25308 states and 35515 transitions. [2022-12-13 20:42:41,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 20:42:41,494 INFO L276 IsEmpty]: Start isEmpty. Operand 25308 states and 35515 transitions. [2022-12-13 20:42:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-12-13 20:42:41,499 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:42:41,499 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 11, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 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] [2022-12-13 20:42:41,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 20:42:41,499 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:42:41,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:42:41,499 INFO L85 PathProgramCache]: Analyzing trace with hash -842615789, now seen corresponding path program 1 times [2022-12-13 20:42:41,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:42:41,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834357591] [2022-12-13 20:42:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:42:41,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:42:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:42:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:42:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:42:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:42:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:42:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:42:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:42:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:42:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:42:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:42:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:42:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:42:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:42:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:42:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:42:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:42:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:42:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:42:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:42:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:42:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:42:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:42:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:42:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:42:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:42:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:42:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 20:42:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:42:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-12-13 20:42:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 20:42:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:42:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-12-13 20:42:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 20:42:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 20:42:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 20:42:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-12-13 20:42:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 20:42:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 20:42:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-12-13 20:42:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-12-13 20:42:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-12-13 20:42:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:41,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 1997 trivial. 0 not checked. [2022-12-13 20:42:41,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:42:41,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834357591] [2022-12-13 20:42:41,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834357591] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:42:41,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:42:41,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:42:41,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696507741] [2022-12-13 20:42:41,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:42:41,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:42:41,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:42:41,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:42:41,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:42:41,868 INFO L87 Difference]: Start difference. First operand 25308 states and 35515 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-13 20:42:56,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:42:56,363 INFO L93 Difference]: Finished difference Result 57850 states and 81148 transitions. [2022-12-13 20:42:56,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 20:42:56,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 372 [2022-12-13 20:42:56,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:42:56,442 INFO L225 Difference]: With dead ends: 57850 [2022-12-13 20:42:56,442 INFO L226 Difference]: Without dead ends: 33654 [2022-12-13 20:42:56,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:42:56,489 INFO L413 NwaCegarLoop]: 2180 mSDtfsCounter, 3032 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 6232 mSolverCounterSat, 1312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 6028 SdHoareTripleChecker+Invalid, 7544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1312 IncrementalHoareTripleChecker+Valid, 6232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:42:56,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 6028 Invalid, 7544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1312 Valid, 6232 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-12-13 20:42:56,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33654 states. [2022-12-13 20:42:58,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33654 to 33213. [2022-12-13 20:42:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33213 states, 24532 states have (on average 1.337151475623675) internal successors, (32803), 24657 states have internal predecessors, (32803), 6898 states have call successors, (6898), 1781 states have call predecessors, (6898), 1780 states have return successors, (6894), 6823 states have call predecessors, (6894), 6894 states have call successors, (6894) [2022-12-13 20:42:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33213 states to 33213 states and 46595 transitions. [2022-12-13 20:42:58,507 INFO L78 Accepts]: Start accepts. Automaton has 33213 states and 46595 transitions. Word has length 372 [2022-12-13 20:42:58,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:42:58,507 INFO L495 AbstractCegarLoop]: Abstraction has 33213 states and 46595 transitions. [2022-12-13 20:42:58,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-13 20:42:58,508 INFO L276 IsEmpty]: Start isEmpty. Operand 33213 states and 46595 transitions. [2022-12-13 20:42:58,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-12-13 20:42:58,512 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:42:58,513 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 11, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 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] [2022-12-13 20:42:58,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 20:42:58,513 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:42:58,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:42:58,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1493776721, now seen corresponding path program 1 times [2022-12-13 20:42:58,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:42:58,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448062157] [2022-12-13 20:42:58,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:42:58,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:42:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:42:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:42:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:42:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:42:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:42:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:42:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:42:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:42:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:42:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:42:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:42:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:42:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:42:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:42:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:42:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:42:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:42:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:42:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:42:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:42:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:42:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:42:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:42:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:42:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:42:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:42:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 20:42:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:42:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-12-13 20:42:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 20:42:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:42:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-12-13 20:42:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 20:42:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 20:42:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 20:42:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-12-13 20:42:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 20:42:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-12-13 20:42:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-12-13 20:42:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-12-13 20:42:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-12-13 20:42:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 1997 trivial. 0 not checked. [2022-12-13 20:42:58,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:42:58,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448062157] [2022-12-13 20:42:58,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448062157] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:42:58,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:42:58,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:42:58,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344036099] [2022-12-13 20:42:58,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:42:58,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:42:58,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:42:58,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:42:58,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:42:58,874 INFO L87 Difference]: Start difference. First operand 33213 states and 46595 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-13 20:43:01,115 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 [] [2022-12-13 20:43:02,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:43:15,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:15,386 INFO L93 Difference]: Finished difference Result 73638 states and 103352 transitions. [2022-12-13 20:43:15,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:43:15,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 372 [2022-12-13 20:43:15,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:15,483 INFO L225 Difference]: With dead ends: 73638 [2022-12-13 20:43:15,483 INFO L226 Difference]: Without dead ends: 41537 [2022-12-13 20:43:15,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:43:15,538 INFO L413 NwaCegarLoop]: 2180 mSDtfsCounter, 3022 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 6199 mSolverCounterSat, 1267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3319 SdHoareTripleChecker+Valid, 6028 SdHoareTripleChecker+Invalid, 7466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1267 IncrementalHoareTripleChecker+Valid, 6199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:15,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3319 Valid, 6028 Invalid, 7466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1267 Valid, 6199 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2022-12-13 20:43:15,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41537 states. [2022-12-13 20:43:17,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41537 to 41062. [2022-12-13 20:43:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41062 states, 30348 states have (on average 1.3377158297087122) internal successors, (40597), 30493 states have internal predecessors, (40597), 8513 states have call successors, (8513), 2199 states have call predecessors, (8513), 2198 states have return successors, (8509), 8430 states have call predecessors, (8509), 8509 states have call successors, (8509) [2022-12-13 20:43:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41062 states to 41062 states and 57619 transitions. [2022-12-13 20:43:17,959 INFO L78 Accepts]: Start accepts. Automaton has 41062 states and 57619 transitions. Word has length 372 [2022-12-13 20:43:17,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:17,959 INFO L495 AbstractCegarLoop]: Abstraction has 41062 states and 57619 transitions. [2022-12-13 20:43:17,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-13 20:43:17,959 INFO L276 IsEmpty]: Start isEmpty. Operand 41062 states and 57619 transitions. [2022-12-13 20:43:17,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2022-12-13 20:43:17,964 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:17,964 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 11, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:43:17,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 20:43:17,964 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:43:17,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:17,965 INFO L85 PathProgramCache]: Analyzing trace with hash 460340932, now seen corresponding path program 1 times [2022-12-13 20:43:17,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:17,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737394778] [2022-12-13 20:43:17,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:17,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:43:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:43:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:43:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:43:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:43:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:43:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:43:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:43:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:43:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:43:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:43:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:43:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:43:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:43:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:43:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:43:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:43:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:43:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:43:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:43:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:43:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:43:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:43:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:43:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:43:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 20:43:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 20:43:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:43:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 20:43:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 20:43:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 20:43:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 20:43:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-12-13 20:43:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-12-13 20:43:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 20:43:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-12-13 20:43:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2022-12-13 20:43:18,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:18,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737394778] [2022-12-13 20:43:18,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737394778] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:18,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:18,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:43:18,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757215653] [2022-12-13 20:43:18,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:18,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:43:18,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:18,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:43:18,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:43:18,511 INFO L87 Difference]: Start difference. First operand 41062 states and 57619 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-13 20:43:20,629 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 [] [2022-12-13 20:43:25,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:25,773 INFO L93 Difference]: Finished difference Result 41539 states and 58284 transitions. [2022-12-13 20:43:25,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:43:25,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 337 [2022-12-13 20:43:25,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:25,863 INFO L225 Difference]: With dead ends: 41539 [2022-12-13 20:43:25,863 INFO L226 Difference]: Without dead ends: 41535 [2022-12-13 20:43:25,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:43:25,875 INFO L413 NwaCegarLoop]: 2084 mSDtfsCounter, 2408 mSDsluCounter, 5253 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2557 SdHoareTripleChecker+Valid, 7337 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:25,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2557 Valid, 7337 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-13 20:43:25,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41535 states. [2022-12-13 20:43:28,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41535 to 41064. [2022-12-13 20:43:28,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41064 states, 30350 states have (on average 1.337660626029654) internal successors, (40598), 30494 states have internal predecessors, (40598), 8513 states have call successors, (8513), 2200 states have call predecessors, (8513), 2198 states have return successors, (8509), 8430 states have call predecessors, (8509), 8509 states have call successors, (8509) [2022-12-13 20:43:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41064 states to 41064 states and 57620 transitions. [2022-12-13 20:43:28,587 INFO L78 Accepts]: Start accepts. Automaton has 41064 states and 57620 transitions. Word has length 337 [2022-12-13 20:43:28,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:28,587 INFO L495 AbstractCegarLoop]: Abstraction has 41064 states and 57620 transitions. [2022-12-13 20:43:28,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-13 20:43:28,587 INFO L276 IsEmpty]: Start isEmpty. Operand 41064 states and 57620 transitions. [2022-12-13 20:43:28,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-12-13 20:43:28,595 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:28,596 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 18, 18, 18, 18, 18, 18, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:43:28,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 20:43:28,596 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)] === [2022-12-13 20:43:28,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:28,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1674117793, now seen corresponding path program 1 times [2022-12-13 20:43:28,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:28,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771198270] [2022-12-13 20:43:28,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:28,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:43:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:43:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:43:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:43:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:43:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:43:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:43:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:43:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:43:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:43:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:43:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:43:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:43:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:28,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:43:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:43:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:43:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:43:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:43:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:43:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 20:43:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 20:43:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 20:43:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:43:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:43:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:43:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:43:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:43:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-12-13 20:43:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 20:43:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 20:43:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 20:43:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:43:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:43:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:43:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:43:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:43:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-12-13 20:43:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:43:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:43:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:43:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:43:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:43:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1734 trivial. 0 not checked. [2022-12-13 20:43:29,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:29,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771198270] [2022-12-13 20:43:29,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771198270] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:29,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:29,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:43:29,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554991533] [2022-12-13 20:43:29,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:29,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:43:29,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:29,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:43:29,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:43:29,259 INFO L87 Difference]: Start difference. First operand 41064 states and 57620 transitions. Second operand has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-12-13 20:43:31,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:43:47,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:47,768 INFO L93 Difference]: Finished difference Result 162153 states and 227946 transitions. [2022-12-13 20:43:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 20:43:47,768 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 463 [2022-12-13 20:43:47,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:48,139 INFO L225 Difference]: With dead ends: 162153 [2022-12-13 20:43:48,139 INFO L226 Difference]: Without dead ends: 121130 [2022-12-13 20:43:48,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:43:48,233 INFO L413 NwaCegarLoop]: 4508 mSDtfsCounter, 5478 mSDsluCounter, 8206 mSDsCounter, 0 mSdLazyCounter, 4611 mSolverCounterSat, 1673 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5881 SdHoareTripleChecker+Valid, 12714 SdHoareTripleChecker+Invalid, 6284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1673 IncrementalHoareTripleChecker+Valid, 4611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:48,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5881 Valid, 12714 Invalid, 6284 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1673 Valid, 4611 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-12-13 20:43:48,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121130 states. [2022-12-13 20:43:56,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121130 to 119028. [2022-12-13 20:43:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119028 states, 88053 states have (on average 1.338000976684497) internal successors, (117815), 88410 states have internal predecessors, (117815), 24603 states have call successors, (24603), 6403 states have call predecessors, (24603), 6369 states have return successors, (24599), 24394 states have call predecessors, (24599), 24599 states have call successors, (24599) [2022-12-13 20:43:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119028 states to 119028 states and 167017 transitions. [2022-12-13 20:43:56,513 INFO L78 Accepts]: Start accepts. Automaton has 119028 states and 167017 transitions. Word has length 463 [2022-12-13 20:43:56,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:56,513 INFO L495 AbstractCegarLoop]: Abstraction has 119028 states and 167017 transitions. [2022-12-13 20:43:56,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-12-13 20:43:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 119028 states and 167017 transitions. [2022-12-13 20:43:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-12-13 20:43:56,518 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:56,519 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 18, 18, 18, 18, 18, 18, 12, 11, 11, 6, 6, 6, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:43:56,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 20:43:56,519 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:43:56,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:56,519 INFO L85 PathProgramCache]: Analyzing trace with hash 145340368, now seen corresponding path program 1 times [2022-12-13 20:43:56,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:56,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454677270] [2022-12-13 20:43:56,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:56,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:43:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:43:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:43:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:43:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:43:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:43:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:43:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:43:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:43:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:43:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:43:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:43:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:43:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:43:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:43:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:43:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:43:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:43:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:43:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:43:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:43:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:43:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:43:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:43:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:43:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:43:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 20:43:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:43:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 20:43:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-12-13 20:43:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:43:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-12-13 20:43:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-12-13 20:43:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-12-13 20:43:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-12-13 20:43:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-12-13 20:43:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 20:43:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-12-13 20:43:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-12-13 20:43:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 20:43:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-12-13 20:43:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-12-13 20:43:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2050 trivial. 0 not checked. [2022-12-13 20:43:57,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:57,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454677270] [2022-12-13 20:43:57,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454677270] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:57,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:57,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:43:57,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716842134] [2022-12-13 20:43:57,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:57,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:43:57,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:57,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:43:57,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:43:57,312 INFO L87 Difference]: Start difference. First operand 119028 states and 167017 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-13 20:44:15,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:44:15,095 INFO L93 Difference]: Finished difference Result 120408 states and 168925 transitions. [2022-12-13 20:44:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 20:44:15,096 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 378 [2022-12-13 20:44:15,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:44:15,409 INFO L225 Difference]: With dead ends: 120408 [2022-12-13 20:44:15,409 INFO L226 Difference]: Without dead ends: 119375 [2022-12-13 20:44:15,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:44:15,443 INFO L413 NwaCegarLoop]: 1166 mSDtfsCounter, 2947 mSDsluCounter, 3483 mSDsCounter, 0 mSdLazyCounter, 5276 mSolverCounterSat, 1347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3112 SdHoareTripleChecker+Valid, 4649 SdHoareTripleChecker+Invalid, 6623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1347 IncrementalHoareTripleChecker+Valid, 5276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:44:15,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3112 Valid, 4649 Invalid, 6623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1347 Valid, 5276 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-12-13 20:44:15,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119375 states. [2022-12-13 20:44:22,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119375 to 94857. [2022-12-13 20:44:22,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94857 states, 70192 states have (on average 1.3382721677684066) internal successors, (93936), 70432 states have internal predecessors, (93936), 19583 states have call successors, (19583), 5080 states have call predecessors, (19583), 5080 states have return successors, (19583), 19488 states have call predecessors, (19583), 19583 states have call successors, (19583) [2022-12-13 20:44:22,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94857 states to 94857 states and 133102 transitions. [2022-12-13 20:44:22,360 INFO L78 Accepts]: Start accepts. Automaton has 94857 states and 133102 transitions. Word has length 378 [2022-12-13 20:44:22,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:44:22,360 INFO L495 AbstractCegarLoop]: Abstraction has 94857 states and 133102 transitions. [2022-12-13 20:44:22,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-13 20:44:22,360 INFO L276 IsEmpty]: Start isEmpty. Operand 94857 states and 133102 transitions. [2022-12-13 20:44:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-12-13 20:44:22,374 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:44:22,374 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 18, 18, 18, 18, 18, 18, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:44:22,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 20:44:22,374 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:44:22,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:44:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash -104938687, now seen corresponding path program 1 times [2022-12-13 20:44:22,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:44:22,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899338083] [2022-12-13 20:44:22,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:44:22,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:44:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:44:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:44:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:44:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:44:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:44:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:44:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:44:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:44:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:44:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:44:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:44:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:44:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:44:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:44:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:44:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:44:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:44:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:44:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:44:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:44:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:44:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:44:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:44:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:44:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:44:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:44:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 20:44:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:44:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 20:44:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 20:44:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 20:44:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 20:44:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-12-13 20:44:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2029 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2014 trivial. 0 not checked. [2022-12-13 20:44:22,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:44:22,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899338083] [2022-12-13 20:44:22,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899338083] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:44:22,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:44:22,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:44:22,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595961355] [2022-12-13 20:44:22,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:44:22,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:44:22,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:44:22,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:44:22,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:44:22,683 INFO L87 Difference]: Start difference. First operand 94857 states and 133102 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 20:44:28,269 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 [] [2022-12-13 20:44:39,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:44:39,680 INFO L93 Difference]: Finished difference Result 233868 states and 328688 transitions. [2022-12-13 20:44:39,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:44:39,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 371 [2022-12-13 20:44:39,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:44:40,080 INFO L225 Difference]: With dead ends: 233868 [2022-12-13 20:44:40,081 INFO L226 Difference]: Without dead ends: 139101 [2022-12-13 20:44:40,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:44:40,258 INFO L413 NwaCegarLoop]: 3837 mSDtfsCounter, 2219 mSDsluCounter, 4376 mSDsCounter, 0 mSdLazyCounter, 1619 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 8213 SdHoareTripleChecker+Invalid, 2048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:44:40,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 8213 Invalid, 2048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1619 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-12-13 20:44:40,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139101 states. [2022-12-13 20:44:49,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139101 to 137417. [2022-12-13 20:44:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137417 states, 101765 states have (on average 1.3424360045202182) internal successors, (136613), 102137 states have internal predecessors, (136613), 28291 states have call successors, (28291), 7359 states have call predecessors, (28291), 7359 states have return successors, (28291), 28136 states have call predecessors, (28291), 28291 states have call successors, (28291) [2022-12-13 20:44:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137417 states to 137417 states and 193195 transitions. [2022-12-13 20:44:50,338 INFO L78 Accepts]: Start accepts. Automaton has 137417 states and 193195 transitions. Word has length 371 [2022-12-13 20:44:50,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:44:50,338 INFO L495 AbstractCegarLoop]: Abstraction has 137417 states and 193195 transitions. [2022-12-13 20:44:50,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-13 20:44:50,338 INFO L276 IsEmpty]: Start isEmpty. Operand 137417 states and 193195 transitions. [2022-12-13 20:44:50,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2022-12-13 20:44:50,364 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:44:50,365 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:44:50,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 20:44:50,365 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:44:50,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:44:50,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1380498192, now seen corresponding path program 1 times [2022-12-13 20:44:50,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:44:50,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632362613] [2022-12-13 20:44:50,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:44:50,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:44:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:44:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:44:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:44:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:44:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:44:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:44:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:44:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:44:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:44:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:44:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:44:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:44:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:44:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:44:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:44:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:44:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:44:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:44:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:44:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:44:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:44:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:44:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:44:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:44:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:44:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:44:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 20:44:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:44:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 20:44:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 20:44:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 20:44:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 20:44:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 20:44:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:44:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-12-13 20:44:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-12-13 20:44:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:44:50,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2209 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2188 trivial. 0 not checked. [2022-12-13 20:44:50,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:44:50,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632362613] [2022-12-13 20:44:50,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632362613] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:44:50,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:44:50,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:44:50,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451577725] [2022-12-13 20:44:50,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:44:50,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:44:50,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:44:50,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:44:50,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:44:50,910 INFO L87 Difference]: Start difference. First operand 137417 states and 193195 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 20:44:54,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:45:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:45:15,531 INFO L93 Difference]: Finished difference Result 317044 states and 445838 transitions. [2022-12-13 20:45:15,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:45:15,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 396 [2022-12-13 20:45:15,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:45:16,136 INFO L225 Difference]: With dead ends: 317044 [2022-12-13 20:45:16,136 INFO L226 Difference]: Without dead ends: 179576 [2022-12-13 20:45:16,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:45:16,384 INFO L413 NwaCegarLoop]: 3837 mSDtfsCounter, 2066 mSDsluCounter, 11523 mSDsCounter, 0 mSdLazyCounter, 3102 mSolverCounterSat, 422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 15360 SdHoareTripleChecker+Invalid, 3524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 3102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:45:16,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 15360 Invalid, 3524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 3102 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-12-13 20:45:16,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179576 states. [2022-12-13 20:45:28,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179576 to 177244. [2022-12-13 20:45:28,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177244 states, 130686 states have (on average 1.3425768636273205) internal successors, (175456), 131189 states have internal predecessors, (175456), 36927 states have call successors, (36927), 9583 states have call predecessors, (36927), 9629 states have return successors, (36973), 36759 states have call predecessors, (36973), 36927 states have call successors, (36973) [2022-12-13 20:45:29,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177244 states to 177244 states and 249356 transitions. [2022-12-13 20:45:29,157 INFO L78 Accepts]: Start accepts. Automaton has 177244 states and 249356 transitions. Word has length 396 [2022-12-13 20:45:29,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:45:29,157 INFO L495 AbstractCegarLoop]: Abstraction has 177244 states and 249356 transitions. [2022-12-13 20:45:29,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 20:45:29,158 INFO L276 IsEmpty]: Start isEmpty. Operand 177244 states and 249356 transitions. [2022-12-13 20:45:29,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-12-13 20:45:29,187 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:45:29,188 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:45:29,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 20:45:29,188 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:45:29,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:45:29,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1579966319, now seen corresponding path program 1 times [2022-12-13 20:45:29,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:45:29,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470576060] [2022-12-13 20:45:29,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:45:29,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:45:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:45:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:45:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:45:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:45:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:45:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:45:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:45:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:45:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:45:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:45:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:45:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:45:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:45:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:45:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:45:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:45:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:45:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:45:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:45:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:45:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:45:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:45:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:45:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:45:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:45:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:45:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 20:45:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:45:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 20:45:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 20:45:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 20:45:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 20:45:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 20:45:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:45:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-12-13 20:45:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-12-13 20:45:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:45:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2209 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2188 trivial. 0 not checked. [2022-12-13 20:45:29,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:45:29,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470576060] [2022-12-13 20:45:29,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470576060] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:45:29,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:45:29,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:45:29,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823687253] [2022-12-13 20:45:29,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:45:29,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:45:29,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:45:29,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:45:29,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:45:29,591 INFO L87 Difference]: Start difference. First operand 177244 states and 249356 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 20:45:31,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:45:51,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:45:51,199 INFO L93 Difference]: Finished difference Result 395222 states and 555794 transitions. [2022-12-13 20:45:51,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:45:51,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 397 [2022-12-13 20:45:51,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:45:51,992 INFO L225 Difference]: With dead ends: 395222 [2022-12-13 20:45:51,992 INFO L226 Difference]: Without dead ends: 218068 [2022-12-13 20:45:52,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:45:52,327 INFO L413 NwaCegarLoop]: 3720 mSDtfsCounter, 1980 mSDsluCounter, 11218 mSDsCounter, 0 mSdLazyCounter, 3076 mSolverCounterSat, 432 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2128 SdHoareTripleChecker+Valid, 14938 SdHoareTripleChecker+Invalid, 3509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 3076 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:45:52,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2128 Valid, 14938 Invalid, 3509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 3076 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-12-13 20:45:52,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218068 states. [2022-12-13 20:46:07,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218068 to 215148. [2022-12-13 20:46:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215148 states, 158191 states have (on average 1.3413721387436706) internal successors, (212193), 158826 states have internal predecessors, (212193), 45083 states have call successors, (45083), 11778 states have call predecessors, (45083), 11872 states have return successors, (45177), 44903 states have call predecessors, (45177), 45083 states have call successors, (45177) [2022-12-13 20:46:07,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215148 states to 215148 states and 302453 transitions. [2022-12-13 20:46:07,919 INFO L78 Accepts]: Start accepts. Automaton has 215148 states and 302453 transitions. Word has length 397 [2022-12-13 20:46:07,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:07,919 INFO L495 AbstractCegarLoop]: Abstraction has 215148 states and 302453 transitions. [2022-12-13 20:46:07,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 20:46:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 215148 states and 302453 transitions. [2022-12-13 20:46:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-12-13 20:46:07,953 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:08,106 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:46:08,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 20:46:08,107 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:46:08,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:08,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1329348589, now seen corresponding path program 1 times [2022-12-13 20:46:08,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:08,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919465545] [2022-12-13 20:46:08,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:08,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:46:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:46:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:46:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:46:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:46:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:46:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:46:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:46:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:46:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:46:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:46:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:46:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:46:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:46:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:46:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:46:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:46:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:46:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:46:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:46:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:46:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:46:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:46:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:46:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:46:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:46:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 20:46:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:46:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 20:46:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 20:46:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 20:46:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 20:46:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 20:46:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-12-13 20:46:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-12-13 20:46:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2209 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2188 trivial. 0 not checked. [2022-12-13 20:46:08,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:46:08,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919465545] [2022-12-13 20:46:08,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919465545] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:46:08,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:46:08,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:46:08,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542517329] [2022-12-13 20:46:08,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:46:08,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:46:08,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:46:08,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:46:08,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:46:08,507 INFO L87 Difference]: Start difference. First operand 215148 states and 302453 transitions. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 20:46:11,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:46:13,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:46:18,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:46:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:46:39,510 INFO L93 Difference]: Finished difference Result 475330 states and 668145 transitions. [2022-12-13 20:46:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:46:39,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 398 [2022-12-13 20:46:39,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:46:40,429 INFO L225 Difference]: With dead ends: 475330 [2022-12-13 20:46:40,429 INFO L226 Difference]: Without dead ends: 260272 [2022-12-13 20:46:40,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:46:40,976 INFO L413 NwaCegarLoop]: 3835 mSDtfsCounter, 2077 mSDsluCounter, 11498 mSDsCounter, 0 mSdLazyCounter, 3132 mSolverCounterSat, 427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2235 SdHoareTripleChecker+Valid, 15333 SdHoareTripleChecker+Invalid, 3559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 427 IncrementalHoareTripleChecker+Valid, 3132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:46:40,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2235 Valid, 15333 Invalid, 3559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [427 Valid, 3132 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2022-12-13 20:46:41,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260272 states. [2022-12-13 20:46:58,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260272 to 256836. [2022-12-13 20:46:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256836 states, 188459 states have (on average 1.34081683549207) internal successors, (252689), 189226 states have internal predecessors, (252689), 54007 states have call successors, (54007), 14226 states have call predecessors, (54007), 14368 states have return successors, (54149), 53815 states have call predecessors, (54149), 54007 states have call successors, (54149) [2022-12-13 20:46:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256836 states to 256836 states and 360845 transitions. [2022-12-13 20:46:59,692 INFO L78 Accepts]: Start accepts. Automaton has 256836 states and 360845 transitions. Word has length 398 [2022-12-13 20:46:59,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:46:59,693 INFO L495 AbstractCegarLoop]: Abstraction has 256836 states and 360845 transitions. [2022-12-13 20:46:59,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 20:46:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 256836 states and 360845 transitions. [2022-12-13 20:46:59,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-12-13 20:46:59,727 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:46:59,727 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 18, 18, 18, 18, 18, 18, 8, 8, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:46:59,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 20:46:59,727 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:46:59,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:46:59,728 INFO L85 PathProgramCache]: Analyzing trace with hash -965113076, now seen corresponding path program 1 times [2022-12-13 20:46:59,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:46:59,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689285063] [2022-12-13 20:46:59,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:46:59,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:46:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:46:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:46:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:46:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:46:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:46:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:46:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:46:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:46:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:47:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:47:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:47:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:47:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:47:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:47:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:47:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:47:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:47:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:47:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:47:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:47:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:47:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:47:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:47:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:47:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 20:47:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 20:47:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 20:47:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-12-13 20:47:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-12-13 20:47:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 20:47:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-12-13 20:47:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:47:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:47:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:47:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:47:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-12-13 20:47:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 20:47:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 20:47:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-12-13 20:47:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:47:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:47:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:47:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:47:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-12-13 20:47:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:47:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:47:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:47:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:47:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:47:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:47:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:47:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1975 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1966 trivial. 0 not checked. [2022-12-13 20:47:00,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:47:00,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689285063] [2022-12-13 20:47:00,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689285063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:47:00,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:47:00,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:47:00,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447040061] [2022-12-13 20:47:00,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:47:00,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:47:00,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:47:00,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:47:00,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:47:00,405 INFO L87 Difference]: Start difference. First operand 256836 states and 360845 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-13 20:47:34,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:47:34,405 INFO L93 Difference]: Finished difference Result 599778 states and 842859 transitions. [2022-12-13 20:47:34,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:47:34,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 530 [2022-12-13 20:47:34,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:47:35,600 INFO L225 Difference]: With dead ends: 599778 [2022-12-13 20:47:35,600 INFO L226 Difference]: Without dead ends: 343032 [2022-12-13 20:47:36,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:47:36,123 INFO L413 NwaCegarLoop]: 3423 mSDtfsCounter, 2088 mSDsluCounter, 4147 mSDsCounter, 0 mSdLazyCounter, 1701 mSolverCounterSat, 811 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2241 SdHoareTripleChecker+Valid, 7570 SdHoareTripleChecker+Invalid, 2512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 811 IncrementalHoareTripleChecker+Valid, 1701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:47:36,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2241 Valid, 7570 Invalid, 2512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [811 Valid, 1701 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-12-13 20:47:36,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343032 states. [2022-12-13 20:48:00,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343032 to 337174. [2022-12-13 20:48:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337174 states, 248735 states have (on average 1.3367519649426096) internal successors, (332497), 249860 states have internal predecessors, (332497), 69329 states have call successors, (69329), 18894 states have call predecessors, (69329), 19108 states have return successors, (69543), 68995 states have call predecessors, (69543), 69329 states have call successors, (69543) [2022-12-13 20:48:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337174 states to 337174 states and 471369 transitions. [2022-12-13 20:48:02,363 INFO L78 Accepts]: Start accepts. Automaton has 337174 states and 471369 transitions. Word has length 530 [2022-12-13 20:48:02,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:48:02,363 INFO L495 AbstractCegarLoop]: Abstraction has 337174 states and 471369 transitions. [2022-12-13 20:48:02,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-13 20:48:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 337174 states and 471369 transitions. [2022-12-13 20:48:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-12-13 20:48:02,403 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:48:02,404 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:48:02,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 20:48:02,404 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:48:02,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:48:02,404 INFO L85 PathProgramCache]: Analyzing trace with hash 10971180, now seen corresponding path program 1 times [2022-12-13 20:48:02,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:48:02,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658885523] [2022-12-13 20:48:02,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:48:02,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:48:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:48:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:48:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:48:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:48:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:48:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:48:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:48:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:48:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:48:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:48:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:48:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:48:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:48:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:48:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:48:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:48:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:48:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:48:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:48:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:48:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:48:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:48:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:48:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:48:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:48:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:48:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 20:48:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:48:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 20:48:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 20:48:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 20:48:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 20:48:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 20:48:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:48:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 20:48:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-12-13 20:48:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:48:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2209 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2188 trivial. 0 not checked. [2022-12-13 20:48:02,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:48:02,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658885523] [2022-12-13 20:48:02,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658885523] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:48:02,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:48:02,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:48:02,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031329741] [2022-12-13 20:48:02,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:48:02,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:48:02,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:48:02,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:48:02,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:48:02,907 INFO L87 Difference]: Start difference. First operand 337174 states and 471369 transitions. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 4 states have internal predecessors, (121), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 20:48:09,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:48:10,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:48:12,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:48:46,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:48:46,204 INFO L93 Difference]: Finished difference Result 731744 states and 1023506 transitions. [2022-12-13 20:48:46,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:48:46,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 4 states have internal predecessors, (121), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 399 [2022-12-13 20:48:46,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:48:47,740 INFO L225 Difference]: With dead ends: 731744 [2022-12-13 20:48:47,740 INFO L226 Difference]: Without dead ends: 394660 [2022-12-13 20:48:48,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:48:48,433 INFO L413 NwaCegarLoop]: 3839 mSDtfsCounter, 2070 mSDsluCounter, 11520 mSDsCounter, 0 mSdLazyCounter, 3130 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2225 SdHoareTripleChecker+Valid, 15359 SdHoareTripleChecker+Invalid, 3558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 3130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-13 20:48:48,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2225 Valid, 15359 Invalid, 3558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 3130 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-12-13 20:48:48,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394660 states. [2022-12-13 20:49:15,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394660 to 389268. [2022-12-13 20:49:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389268 states, 286844 states have (on average 1.3365243825912343) internal successors, (383374), 288163 states have internal predecessors, (383374), 80333 states have call successors, (80333), 21803 states have call predecessors, (80333), 22089 states have return successors, (80619), 79973 states have call predecessors, (80619), 80333 states have call successors, (80619) [2022-12-13 20:49:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389268 states to 389268 states and 544326 transitions. [2022-12-13 20:49:17,418 INFO L78 Accepts]: Start accepts. Automaton has 389268 states and 544326 transitions. Word has length 399 [2022-12-13 20:49:17,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:49:17,419 INFO L495 AbstractCegarLoop]: Abstraction has 389268 states and 544326 transitions. [2022-12-13 20:49:17,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 4 states have internal predecessors, (121), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 20:49:17,419 INFO L276 IsEmpty]: Start isEmpty. Operand 389268 states and 544326 transitions. [2022-12-13 20:49:17,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-12-13 20:49:17,449 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:49:17,449 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:49:17,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 20:49:17,450 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:49:17,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:49:17,450 INFO L85 PathProgramCache]: Analyzing trace with hash -48217910, now seen corresponding path program 1 times [2022-12-13 20:49:17,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:49:17,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004857545] [2022-12-13 20:49:17,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:49:17,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:49:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:49:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:49:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:49:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:49:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:49:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:49:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:49:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:49:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:49:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:49:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:49:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:49:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:49:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:49:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:49:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:49:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:49:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:49:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:49:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:49:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:49:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:49:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:49:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:49:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:49:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:49:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 20:49:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:49:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 20:49:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 20:49:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 20:49:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 20:49:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 20:49:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:49:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-12-13 20:49:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-12-13 20:49:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:49:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2209 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2188 trivial. 0 not checked. [2022-12-13 20:49:17,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:49:17,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004857545] [2022-12-13 20:49:17,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004857545] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:49:17,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:49:17,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:49:17,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707509398] [2022-12-13 20:49:17,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:49:17,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:49:17,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:49:17,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:49:17,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:49:17,980 INFO L87 Difference]: Start difference. First operand 389268 states and 544326 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 20:49:19,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:49:25,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:49:27,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:50:03,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:50:03,722 INFO L93 Difference]: Finished difference Result 836748 states and 1170596 transitions. [2022-12-13 20:50:03,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:50:03,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) Word has length 400 [2022-12-13 20:50:03,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:50:05,450 INFO L225 Difference]: With dead ends: 836748 [2022-12-13 20:50:05,450 INFO L226 Difference]: Without dead ends: 447570 [2022-12-13 20:50:06,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:50:06,334 INFO L413 NwaCegarLoop]: 3838 mSDtfsCounter, 2067 mSDsluCounter, 11517 mSDsCounter, 0 mSdLazyCounter, 3141 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 15355 SdHoareTripleChecker+Invalid, 3570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 3141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:50:06,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2221 Valid, 15355 Invalid, 3570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 3141 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2022-12-13 20:50:06,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447570 states. [2022-12-13 20:50:36,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447570 to 441434. [2022-12-13 20:50:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441434 states, 325025 states have (on average 1.336275671102223) internal successors, (434323), 326538 states have internal predecessors, (434323), 91337 states have call successors, (91337), 24712 states have call predecessors, (91337), 25070 states have return successors, (91695), 90951 states have call predecessors, (91695), 91337 states have call successors, (91695) [2022-12-13 20:50:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441434 states to 441434 states and 617355 transitions. [2022-12-13 20:50:39,088 INFO L78 Accepts]: Start accepts. Automaton has 441434 states and 617355 transitions. Word has length 400 [2022-12-13 20:50:39,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:50:39,089 INFO L495 AbstractCegarLoop]: Abstraction has 441434 states and 617355 transitions. [2022-12-13 20:50:39,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 20:50:39,089 INFO L276 IsEmpty]: Start isEmpty. Operand 441434 states and 617355 transitions. [2022-12-13 20:50:39,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-12-13 20:50:39,122 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:50:39,123 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:50:39,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 20:50:39,123 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 20:50:39,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:50:39,123 INFO L85 PathProgramCache]: Analyzing trace with hash 272725225, now seen corresponding path program 1 times [2022-12-13 20:50:39,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:50:39,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586067712] [2022-12-13 20:50:39,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:50:39,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:50:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 20:50:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:50:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:50:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:50:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:50:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:50:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:50:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 20:50:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:50:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:50:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:50:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 20:50:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:50:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:50:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:50:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:50:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 20:50:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 20:50:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:50:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:50:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:50:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 20:50:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 20:50:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 20:50:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-12-13 20:50:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 20:50:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 20:50:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-12-13 20:50:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 20:50:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-12-13 20:50:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-12-13 20:50:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 20:50:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 20:50:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:50:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-12-13 20:50:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-12-13 20:50:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:50:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2209 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2188 trivial. 0 not checked. [2022-12-13 20:50:39,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:50:39,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586067712] [2022-12-13 20:50:39,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586067712] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:50:39,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:50:39,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:50:39,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272492250] [2022-12-13 20:50:39,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:50:39,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:50:39,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:50:39,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:50:39,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:50:39,630 INFO L87 Difference]: Start difference. First operand 441434 states and 617355 transitions. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (34), 4 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 20:50:42,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:50:43,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:50:48,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []