./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-mutex_fs-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:17:08,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:17:08,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:17:08,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:17:08,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:17:08,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:17:08,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:17:08,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:17:08,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:17:08,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:17:08,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:17:08,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:17:08,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:17:08,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:17:08,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:17:08,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:17:08,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:17:08,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:17:08,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:17:08,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:17:08,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:17:08,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:17:08,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:17:08,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:17:08,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:17:08,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:17:08,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:17:08,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:17:08,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:17:08,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:17:08,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:17:08,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:17:08,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:17:08,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:17:08,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:17:08,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:17:08,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:17:08,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:17:08,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:17:08,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:17:08,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:17:08,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:17:08,799 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:17:08,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:17:08,800 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:17:08,800 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:17:08,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:17:08,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:17:08,800 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:17:08,800 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:17:08,800 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:17:08,801 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:17:08,801 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:17:08,801 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:17:08,801 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:17:08,801 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:17:08,801 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:17:08,801 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:17:08,801 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:17:08,801 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:17:08,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:17:08,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:17:08,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:17:08,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:17:08,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:17:08,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:17:08,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:17:08,803 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:17:08,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:17:08,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:17:08,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:17:08,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:17:08,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:17:08,803 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:17:08,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:17:08,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:17:08,804 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:17:08,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:17:08,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:17:08,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:17:08,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 [2022-12-14 15:17:08,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:17:09,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:17:09,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:17:09,006 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:17:09,006 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:17:09,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2022-12-14 15:17:11,595 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:17:12,051 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:17:12,052 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2022-12-14 15:17:12,082 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/data/8d24d201c/514e10a7c85b4b76bbfe23902c3cb175/FLAGde4367b79 [2022-12-14 15:17:12,094 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/data/8d24d201c/514e10a7c85b4b76bbfe23902c3cb175 [2022-12-14 15:17:12,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:17:12,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:17:12,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:17:12,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:17:12,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:17:12,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:17:12" (1/1) ... [2022-12-14 15:17:12,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e436306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:12, skipping insertion in model container [2022-12-14 15:17:12,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:17:12" (1/1) ... [2022-12-14 15:17:12,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:17:12,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:17:12,599 WARN L623 FunctionHandler]: Unknown extern function mount_nodev [2022-12-14 15:17:12,634 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-12-14 15:17:12,643 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-12-14 15:17:12,925 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,927 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,927 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,927 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,928 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,928 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,928 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,928 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,929 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,930 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,931 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,932 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,933 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,933 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,933 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,933 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,933 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,934 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,934 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,934 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,934 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,935 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,935 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,935 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,935 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,936 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,936 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,936 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,936 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,937 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,937 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,937 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:12,937 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:13,035 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:13,218 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,223 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:17:13,226 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,228 WARN L623 FunctionHandler]: Unknown extern function kill_litter_super [2022-12-14 15:17:13,228 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_68 [2022-12-14 15:17:13,229 WARN L623 FunctionHandler]: Unknown extern function kfree_call_rcu [2022-12-14 15:17:13,234 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:13,236 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:17:13,236 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:13,237 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:17:13,238 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:13,238 WARN L623 FunctionHandler]: Unknown extern function pid_vnr [2022-12-14 15:17:13,239 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:13,239 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:13,239 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:13,240 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:13,240 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:13,241 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:13,242 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:13,247 WARN L623 FunctionHandler]: Unknown extern function clear_inode [2022-12-14 15:17:13,247 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,255 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:13,256 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:13,257 WARN L623 FunctionHandler]: Unknown extern function match_token [2022-12-14 15:17:13,257 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:13,258 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:13,258 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:13,258 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-12-14 15:17:13,259 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:13,259 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:13,259 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-12-14 15:17:13,260 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:13,260 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:13,261 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:13,261 WARN L623 FunctionHandler]: Unknown extern function strsep [2022-12-14 15:17:13,264 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,265 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:17:13,265 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:17:13,265 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:17:13,266 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:17:13,267 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-12-14 15:17:13,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:13,268 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-12-14 15:17:13,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:13,269 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 15:17:13,269 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:13,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,271 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:17:13,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:13,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:13,272 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:13,273 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:13,273 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,273 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:17:13,273 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,274 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-12-14 15:17:13,275 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:17:13,275 WARN L623 FunctionHandler]: Unknown extern function get_next_ino [2022-12-14 15:17:13,276 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-14 15:17:13,277 WARN L623 FunctionHandler]: Unknown extern function simple_statfs [2022-12-14 15:17:13,287 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 15:17:13,296 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 15:17:13,331 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 15:17:13,335 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 15:17:13,356 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 15:17:13,356 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 15:17:13,369 WARN L623 FunctionHandler]: Unknown extern function lockref_get [2022-12-14 15:17:13,410 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:13,424 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 15:17:13,526 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,527 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:17:13,527 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 15:17:13,529 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,529 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:17:13,530 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:17:13,535 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:17:13,541 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:17:13,547 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,553 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:13,557 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:17:13,557 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:13,559 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,561 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:17:13,561 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:17:13,563 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,565 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:17:13,566 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,568 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,570 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 15:17:13,571 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,573 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,573 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,574 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:17:13,574 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:17:13,575 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:13,575 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 15:17:13,576 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:17:13,576 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 15:17:13,585 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,586 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:17:13,586 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 15:17:13,587 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:13,587 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 15:17:13,587 WARN L623 FunctionHandler]: Unknown extern function drop_nlink [2022-12-14 15:17:13,589 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,590 WARN L623 FunctionHandler]: Unknown extern function inc_nlink [2022-12-14 15:17:13,590 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:17:13,594 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:13,594 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:13,599 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:13,599 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:13,603 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:13,607 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:13,611 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 15:17:13,621 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,621 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:13,627 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,628 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:17:13,632 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 15:17:13,633 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 15:17:13,633 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 15:17:13,633 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 15:17:13,634 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 15:17:13,634 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 15:17:13,635 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 15:17:13,635 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 15:17:13,635 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 15:17:13,647 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-12-14 15:17:13,694 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:13,782 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:13,786 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:13,790 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:13,799 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 15:17:13,803 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 15:17:13,803 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 15:17:13,803 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 15:17:13,804 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 15:17:13,804 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 15:17:13,850 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 15:17:13,853 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 15:17:13,857 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:13,857 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 15:17:13,857 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 15:17:13,861 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:13,861 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 15:17:13,861 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 15:17:13,895 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 15:17:13,909 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,910 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,910 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 15:17:13,910 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:13,915 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:17:13,916 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:17:13,920 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,922 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:17:13,923 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:17:13,923 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:13,924 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:13,928 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 15:17:13,929 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 15:17:13,933 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:17:13,938 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 15:17:13,938 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:17:13,939 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:17:13,939 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:13,940 WARN L623 FunctionHandler]: Unknown extern function task_tgid_nr_ns [2022-12-14 15:17:13,941 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 15:17:13,942 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,942 WARN L623 FunctionHandler]: Unknown extern function full_name_hash [2022-12-14 15:17:13,942 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,942 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,943 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,943 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 15:17:13,943 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:13,944 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:13,945 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,946 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,947 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,947 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:17:13,949 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:17:13,949 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 15:17:13,950 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 15:17:13,950 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 15:17:13,950 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:17:13,950 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:17:13,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:13,952 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:17:13,953 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:13,953 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,954 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,955 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 15:17:13,955 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:13,960 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 15:17:13,969 WARN L623 FunctionHandler]: Unknown extern function lock_set_class [2022-12-14 15:17:13,979 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-12-14 15:17:13,983 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 15:17:14,010 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,010 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:17:14,010 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:17:14,010 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 15:17:14,034 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,035 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 15:17:14,035 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 15:17:14,035 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 15:17:14,036 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,036 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:17:14,041 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,041 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-12-14 15:17:14,042 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,046 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,046 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-12-14 15:17:14,047 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,051 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,051 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 15:17:14,056 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,057 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,058 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,058 WARN L623 FunctionHandler]: Unknown extern function d_invalidate [2022-12-14 15:17:14,058 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,063 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,064 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,066 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,068 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,069 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,069 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:17:14,070 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,072 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-12-14 15:17:14,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,074 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 15:17:14,074 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,076 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,076 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 15:17:14,077 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 15:17:14,077 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,077 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,096 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:14,131 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,132 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:17:14,132 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:17:14,132 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 15:17:14,176 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:17:14,180 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,184 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 15:17:14,188 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,206 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 15:17:14,207 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 15:17:14,207 WARN L623 FunctionHandler]: Unknown extern function follow_up [2022-12-14 15:17:14,208 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:17:14,218 WARN L623 FunctionHandler]: Unknown extern function get_unused_fd_flags [2022-12-14 15:17:14,218 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,218 WARN L623 FunctionHandler]: Unknown extern function dentry_open [2022-12-14 15:17:14,219 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:17:14,219 WARN L623 FunctionHandler]: Unknown extern function fd_install [2022-12-14 15:17:14,219 WARN L623 FunctionHandler]: Unknown extern function put_unused_fd [2022-12-14 15:17:14,227 WARN L623 FunctionHandler]: Unknown extern function sys_close [2022-12-14 15:17:14,238 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 15:17:14,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,239 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:17:14,239 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:14,240 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:17:14,251 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,251 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:17:14,251 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,252 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:17:14,252 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:17:14,259 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 15:17:14,263 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 15:17:14,264 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:17:14,264 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 15:17:14,265 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:17:14,274 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:17:14,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,275 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:17:14,276 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:14,276 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:14,276 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:14,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,318 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 15:17:14,319 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 15:17:14,320 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 15:17:14,355 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 15:17:14,355 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:17:14,362 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:17:14,523 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_51503de8-212f-40a1-878b-e3dbff727f80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2022-12-14 15:17:14,526 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_51503de8-212f-40a1-878b-e3dbff727f80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2022-12-14 15:17:14,526 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_51503de8-212f-40a1-878b-e3dbff727f80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2022-12-14 15:17:14,526 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_51503de8-212f-40a1-878b-e3dbff727f80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2022-12-14 15:17:14,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,535 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,536 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,536 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,540 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,541 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,542 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,542 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,543 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:17:14,577 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:17:14,619 WARN L623 FunctionHandler]: Unknown extern function mount_nodev [2022-12-14 15:17:14,621 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-12-14 15:17:14,622 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-12-14 15:17:14,625 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,626 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,626 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,626 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,626 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,626 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,626 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,626 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,626 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,627 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,627 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,627 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,627 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,627 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,627 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,628 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,628 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,628 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,628 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,628 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,628 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,628 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,628 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,628 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,629 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,629 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,629 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,629 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,629 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,629 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,629 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,630 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,630 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,630 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,630 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,630 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,630 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,630 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,631 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,631 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,631 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,631 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,631 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,631 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,645 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:14,651 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,651 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:17:14,652 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,652 WARN L623 FunctionHandler]: Unknown extern function kill_litter_super [2022-12-14 15:17:14,653 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_68 [2022-12-14 15:17:14,653 WARN L623 FunctionHandler]: Unknown extern function kfree_call_rcu [2022-12-14 15:17:14,655 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:14,655 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:17:14,655 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:14,656 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:17:14,656 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:14,656 WARN L623 FunctionHandler]: Unknown extern function pid_vnr [2022-12-14 15:17:14,656 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:14,657 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:14,657 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:14,657 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:14,657 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:14,657 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:14,658 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 15:17:14,658 WARN L623 FunctionHandler]: Unknown extern function clear_inode [2022-12-14 15:17:14,658 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,660 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,660 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,660 WARN L623 FunctionHandler]: Unknown extern function match_token [2022-12-14 15:17:14,661 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:14,661 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:14,661 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,661 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-12-14 15:17:14,662 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:14,662 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,662 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-12-14 15:17:14,662 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:14,663 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:14,663 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 15:17:14,663 WARN L623 FunctionHandler]: Unknown extern function strsep [2022-12-14 15:17:14,665 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,666 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:17:14,666 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 15:17:14,666 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:17:14,666 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 15:17:14,668 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-12-14 15:17:14,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,668 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-12-14 15:17:14,669 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,669 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 15:17:14,671 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,672 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,672 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:17:14,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,673 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:14,673 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,673 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,673 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:17:14,673 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,674 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-12-14 15:17:14,674 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:17:14,675 WARN L623 FunctionHandler]: Unknown extern function get_next_ino [2022-12-14 15:17:14,675 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-14 15:17:14,678 WARN L623 FunctionHandler]: Unknown extern function simple_statfs [2022-12-14 15:17:14,678 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 15:17:14,678 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 15:17:14,679 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 15:17:14,679 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 15:17:14,679 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 15:17:14,679 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 15:17:14,680 WARN L623 FunctionHandler]: Unknown extern function lockref_get [2022-12-14 15:17:14,680 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,681 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 15:17:14,688 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,688 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:17:14,688 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 15:17:14,690 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,690 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:17:14,691 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 15:17:14,692 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:17:14,695 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:17:14,696 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,698 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,699 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:17:14,699 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,712 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,713 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:17:14,713 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:17:14,715 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,716 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:17:14,717 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,718 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,719 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 15:17:14,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,722 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,722 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,723 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:17:14,725 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:17:14,726 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,726 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 15:17:14,727 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:17:14,727 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 15:17:14,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,732 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:17:14,732 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 15:17:14,733 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,733 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 15:17:14,734 WARN L623 FunctionHandler]: Unknown extern function drop_nlink [2022-12-14 15:17:14,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,739 WARN L623 FunctionHandler]: Unknown extern function inc_nlink [2022-12-14 15:17:14,739 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 15:17:14,740 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,740 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,741 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,741 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,741 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,742 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,743 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 15:17:14,743 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,744 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,747 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,747 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:17:14,756 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 15:17:14,757 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 15:17:14,757 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 15:17:14,757 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 15:17:14,758 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 15:17:14,758 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 15:17:14,758 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 15:17:14,759 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 15:17:14,759 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 15:17:14,761 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-12-14 15:17:14,762 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:14,765 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:14,766 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:14,766 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:14,767 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 15:17:14,767 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 15:17:14,767 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 15:17:14,767 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 15:17:14,768 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 15:17:14,768 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 15:17:14,770 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 15:17:14,770 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 15:17:14,771 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,771 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 15:17:14,771 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 15:17:14,771 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,772 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 15:17:14,772 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 15:17:14,778 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 15:17:14,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,781 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,781 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 15:17:14,782 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:14,784 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:17:14,785 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:17:14,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,788 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:17:14,788 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:17:14,788 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,789 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:14,790 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 15:17:14,791 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 15:17:14,792 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:17:14,793 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 15:17:14,794 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:17:14,794 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:17:14,794 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,796 WARN L623 FunctionHandler]: Unknown extern function task_tgid_nr_ns [2022-12-14 15:17:14,796 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 15:17:14,797 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,797 WARN L623 FunctionHandler]: Unknown extern function full_name_hash [2022-12-14 15:17:14,797 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,798 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,798 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,798 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 15:17:14,799 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,799 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,800 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,801 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,801 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,801 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:17:14,802 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:17:14,802 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 15:17:14,802 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 15:17:14,803 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 15:17:14,803 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 15:17:14,803 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 15:17:14,804 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,804 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 15:17:14,805 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,805 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,806 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,806 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 15:17:14,807 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,808 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 15:17:14,808 WARN L623 FunctionHandler]: Unknown extern function lock_set_class [2022-12-14 15:17:14,809 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-12-14 15:17:14,809 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 15:17:14,809 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,809 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:17:14,810 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 15:17:14,810 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 15:17:14,812 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,812 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 15:17:14,812 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 15:17:14,813 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 15:17:14,814 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,814 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:17:14,816 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,816 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-12-14 15:17:14,816 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,818 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,818 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-12-14 15:17:14,819 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,820 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,820 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 15:17:14,821 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,822 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,822 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,822 WARN L623 FunctionHandler]: Unknown extern function d_invalidate [2022-12-14 15:17:14,823 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,824 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,824 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,826 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,827 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,828 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,829 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 15:17:14,829 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,830 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,831 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-12-14 15:17:14,833 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,833 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 15:17:14,834 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 15:17:14,835 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,835 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 15:17:14,847 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 15:17:14,847 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 15:17:14,848 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,849 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 15:17:14,850 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 15:17:14,850 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:17:14,851 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 15:17:14,851 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 15:17:14,853 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:17:14,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,855 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 15:17:14,855 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 15:17:14,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,857 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,860 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 15:17:14,860 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 15:17:14,861 WARN L623 FunctionHandler]: Unknown extern function follow_up [2022-12-14 15:17:14,861 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:17:14,863 WARN L623 FunctionHandler]: Unknown extern function get_unused_fd_flags [2022-12-14 15:17:14,863 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,864 WARN L623 FunctionHandler]: Unknown extern function dentry_open [2022-12-14 15:17:14,864 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:17:14,864 WARN L623 FunctionHandler]: Unknown extern function fd_install [2022-12-14 15:17:14,865 WARN L623 FunctionHandler]: Unknown extern function put_unused_fd [2022-12-14 15:17:14,866 WARN L623 FunctionHandler]: Unknown extern function sys_close [2022-12-14 15:17:14,868 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 15:17:14,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,869 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:17:14,869 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:14,869 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 15:17:14,871 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,872 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 15:17:14,872 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 15:17:14,872 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 15:17:14,872 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:17:14,874 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 15:17:14,876 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 15:17:14,877 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 15:17:14,877 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 15:17:14,877 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 15:17:14,880 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 15:17:14,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,881 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 15:17:14,881 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:14,882 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:14,882 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 15:17:14,884 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 15:17:14,888 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 15:17:14,890 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 15:17:14,890 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 15:17:14,892 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 15:17:14,893 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 15:17:14,893 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 15:17:14,901 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_51503de8-212f-40a1-878b-e3dbff727f80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2022-12-14 15:17:14,902 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_51503de8-212f-40a1-878b-e3dbff727f80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2022-12-14 15:17:14,902 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_51503de8-212f-40a1-878b-e3dbff727f80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2022-12-14 15:17:14,902 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_51503de8-212f-40a1-878b-e3dbff727f80/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2022-12-14 15:17:14,904 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,904 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,905 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,905 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,905 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,906 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,907 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,908 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,908 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,909 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 15:17:14,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:17:14,997 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:17:14,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14 WrapperNode [2022-12-14 15:17:14,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:17:14,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:17:14,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:17:14,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:17:15,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (1/1) ... [2022-12-14 15:17:15,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (1/1) ... [2022-12-14 15:17:15,263 INFO L138 Inliner]: procedures = 518, calls = 3782, calls flagged for inlining = 278, calls inlined = 255, statements flattened = 9323 [2022-12-14 15:17:15,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:17:15,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:17:15,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:17:15,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:17:15,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (1/1) ... [2022-12-14 15:17:15,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (1/1) ... [2022-12-14 15:17:15,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (1/1) ... [2022-12-14 15:17:15,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (1/1) ... [2022-12-14 15:17:15,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (1/1) ... [2022-12-14 15:17:15,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (1/1) ... [2022-12-14 15:17:15,509 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (1/1) ... [2022-12-14 15:17:15,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (1/1) ... [2022-12-14 15:17:15,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:17:15,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:17:15,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:17:15,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:17:15,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (1/1) ... [2022-12-14 15:17:15,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:17:15,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:17:15,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:17:15,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51503de8-212f-40a1-878b-e3dbff727f80/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:17:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2022-12-14 15:17:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2022-12-14 15:17:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2022-12-14 15:17:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2022-12-14 15:17:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 15:17:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 15:17:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2022-12-14 15:17:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2022-12-14 15:17:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2022-12-14 15:17:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2022-12-14 15:17:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2022-12-14 15:17:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2022-12-14 15:17:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 15:17:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 15:17:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 15:17:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 15:17:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2022-12-14 15:17:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2022-12-14 15:17:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2022-12-14 15:17:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2022-12-14 15:17:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-12-14 15:17:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-12-14 15:17:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2022-12-14 15:17:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2022-12-14 15:17:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2022-12-14 15:17:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2022-12-14 15:17:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2022-12-14 15:17:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2022-12-14 15:17:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2022-12-14 15:17:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2022-12-14 15:17:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-12-14 15:17:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-12-14 15:17:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2022-12-14 15:17:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2022-12-14 15:17:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 15:17:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 15:17:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2022-12-14 15:17:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2022-12-14 15:17:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2022-12-14 15:17:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2022-12-14 15:17:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2022-12-14 15:17:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2022-12-14 15:17:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2022-12-14 15:17:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2022-12-14 15:17:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 15:17:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2022-12-14 15:17:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2022-12-14 15:17:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2022-12-14 15:17:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2022-12-14 15:17:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 15:17:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 15:17:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-12-14 15:17:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-12-14 15:17:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 15:17:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 15:17:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 15:17:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 15:17:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 15:17:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 15:17:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:17:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2022-12-14 15:17:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2022-12-14 15:17:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 15:17:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 15:17:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___4 [2022-12-14 15:17:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___4 [2022-12-14 15:17:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___2 [2022-12-14 15:17:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___2 [2022-12-14 15:17:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2022-12-14 15:17:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2022-12-14 15:17:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 15:17:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 15:17:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 15:17:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 15:17:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-12-14 15:17:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-12-14 15:17:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2022-12-14 15:17:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2022-12-14 15:17:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2022-12-14 15:17:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2022-12-14 15:17:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2022-12-14 15:17:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2022-12-14 15:17:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 15:17:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 15:17:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2022-12-14 15:17:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2022-12-14 15:17:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 15:17:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 15:17:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 15:17:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2022-12-14 15:17:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2022-12-14 15:17:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2022-12-14 15:17:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2022-12-14 15:17:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 15:17:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 15:17:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 15:17:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2022-12-14 15:17:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2022-12-14 15:17:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2022-12-14 15:17:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2022-12-14 15:17:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:17:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2022-12-14 15:17:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2022-12-14 15:17:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2022-12-14 15:17:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2022-12-14 15:17:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 15:17:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 15:17:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2022-12-14 15:17:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2022-12-14 15:17:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2022-12-14 15:17:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2022-12-14 15:17:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2022-12-14 15:17:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2022-12-14 15:17:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-12-14 15:17:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-12-14 15:17:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 15:17:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 15:17:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2022-12-14 15:17:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2022-12-14 15:17:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 15:17:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 15:17:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2022-12-14 15:17:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2022-12-14 15:17:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2022-12-14 15:17:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2022-12-14 15:17:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:17:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-12-14 15:17:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 15:17:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 15:17:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-12-14 15:17:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 15:17:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 15:17:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 15:17:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2022-12-14 15:17:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-14 15:17:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2022-12-14 15:17:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2022-12-14 15:17:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2022-12-14 15:17:15,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2022-12-14 15:17:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 15:17:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2022-12-14 15:17:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 15:17:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2022-12-14 15:17:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2022-12-14 15:17:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2022-12-14 15:17:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:17:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2022-12-14 15:17:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 15:17:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2022-12-14 15:17:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2022-12-14 15:17:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2022-12-14 15:17:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-14 15:17:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2022-12-14 15:17:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 15:17:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 15:17:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2022-12-14 15:17:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2022-12-14 15:17:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:17:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 15:17:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 15:17:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2022-12-14 15:17:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2022-12-14 15:17:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-12-14 15:17:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-12-14 15:17:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2022-12-14 15:17:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2022-12-14 15:17:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:17:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-12-14 15:17:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-12-14 15:17:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-12-14 15:17:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-12-14 15:17:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 15:17:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 15:17:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:17:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 15:17:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 15:17:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 15:17:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 15:17:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2022-12-14 15:17:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2022-12-14 15:17:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 15:17:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 15:17:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2022-12-14 15:17:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2022-12-14 15:17:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 15:17:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 15:17:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2022-12-14 15:17:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2022-12-14 15:17:15,653 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2022-12-14 15:17:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2022-12-14 15:17:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 15:17:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 15:17:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 15:17:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 15:17:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2022-12-14 15:17:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2022-12-14 15:17:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2022-12-14 15:17:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2022-12-14 15:17:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 15:17:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 15:17:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2022-12-14 15:17:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2022-12-14 15:17:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2022-12-14 15:17:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2022-12-14 15:17:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 15:17:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 15:17:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2022-12-14 15:17:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2022-12-14 15:17:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 15:17:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 15:17:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2022-12-14 15:17:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2022-12-14 15:17:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2022-12-14 15:17:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2022-12-14 15:17:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-12-14 15:17:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-12-14 15:17:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-12-14 15:17:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-12-14 15:17:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:17:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2022-12-14 15:17:15,655 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2022-12-14 15:17:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2022-12-14 15:17:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2022-12-14 15:17:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 15:17:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 15:17:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-12-14 15:17:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-12-14 15:17:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2022-12-14 15:17:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2022-12-14 15:17:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-12-14 15:17:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-12-14 15:17:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2022-12-14 15:17:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2022-12-14 15:17:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 15:17:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 15:17:15,656 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2022-12-14 15:17:15,656 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2022-12-14 15:17:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 15:17:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 15:17:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2022-12-14 15:17:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2022-12-14 15:17:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-14 15:17:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-14 15:17:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-14 15:17:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-14 15:17:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 15:17:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 15:17:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 15:17:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 15:17:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2022-12-14 15:17:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2022-12-14 15:17:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 15:17:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 15:17:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2022-12-14 15:17:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2022-12-14 15:17:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 15:17:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 15:17:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 15:17:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 15:17:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_nested [2022-12-14 15:17:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_nested [2022-12-14 15:17:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-12-14 15:17:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-12-14 15:17:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:17:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2022-12-14 15:17:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2022-12-14 15:17:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2022-12-14 15:17:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2022-12-14 15:17:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2022-12-14 15:17:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2022-12-14 15:17:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 15:17:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 15:17:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-14 15:17:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-12-14 15:17:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-12-14 15:17:16,461 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:17:16,464 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:17:16,670 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 15:17:17,143 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2022-12-14 15:17:23,249 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 15:17:23,386 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:17:24,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:17:24,532 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-12-14 15:17:24,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:17:24 BoogieIcfgContainer [2022-12-14 15:17:24,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:17:24,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:17:24,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:17:24,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:17:24,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:17:12" (1/3) ... [2022-12-14 15:17:24,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d82701e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:17:24, skipping insertion in model container [2022-12-14 15:17:24,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:17:14" (2/3) ... [2022-12-14 15:17:24,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d82701e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:17:24, skipping insertion in model container [2022-12-14 15:17:24,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:17:24" (3/3) ... [2022-12-14 15:17:24,542 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2022-12-14 15:17:24,556 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:17:24,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 15:17:24,651 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:17:24,656 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@562cc152, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:17:24,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 15:17:24,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 2608 states, 1550 states have (on average 1.3141935483870968) internal successors, (2037), 1600 states have internal predecessors, (2037), 894 states have call successors, (894), 162 states have call predecessors, (894), 161 states have return successors, (883), 877 states have call predecessors, (883), 883 states have call successors, (883) [2022-12-14 15:17:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-12-14 15:17:24,705 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:17:24,706 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:17:24,706 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:17:24,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:17:24,710 INFO L85 PathProgramCache]: Analyzing trace with hash 287168066, now seen corresponding path program 1 times [2022-12-14 15:17:24,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:17:24,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592447333] [2022-12-14 15:17:24,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:17:24,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:17:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:17:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-12-14 15:17:25,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:17:25,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592447333] [2022-12-14 15:17:25,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592447333] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:17:25,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:17:25,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:17:25,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563644160] [2022-12-14 15:17:25,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:17:25,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:17:25,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:17:25,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:17:25,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:17:25,634 INFO L87 Difference]: Start difference. First operand has 2608 states, 1550 states have (on average 1.3141935483870968) internal successors, (2037), 1600 states have internal predecessors, (2037), 894 states have call successors, (894), 162 states have call predecessors, (894), 161 states have return successors, (883), 877 states have call predecessors, (883), 883 states have call successors, (883) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 15:17:28,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:30,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:31,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:17:31,414 INFO L93 Difference]: Finished difference Result 7356 states and 10872 transitions. [2022-12-14 15:17:31,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:17:31,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 465 [2022-12-14 15:17:31,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:17:31,455 INFO L225 Difference]: With dead ends: 7356 [2022-12-14 15:17:31,455 INFO L226 Difference]: Without dead ends: 4821 [2022-12-14 15:17:31,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:17:31,499 INFO L413 NwaCegarLoop]: 4789 mSDtfsCounter, 3284 mSDsluCounter, 3342 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3288 SdHoareTripleChecker+Valid, 8131 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:17:31,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3288 Valid, 8131 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 886 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 15:17:31,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2022-12-14 15:17:31,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4816. [2022-12-14 15:17:31,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4816 states, 2875 states have (on average 1.3067826086956522) internal successors, (3757), 2963 states have internal predecessors, (3757), 1625 states have call successors, (1625), 314 states have call predecessors, (1625), 313 states have return successors, (1625), 1609 states have call predecessors, (1625), 1621 states have call successors, (1625) [2022-12-14 15:17:31,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4816 states to 4816 states and 7007 transitions. [2022-12-14 15:17:31,812 INFO L78 Accepts]: Start accepts. Automaton has 4816 states and 7007 transitions. Word has length 465 [2022-12-14 15:17:31,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:17:31,814 INFO L495 AbstractCegarLoop]: Abstraction has 4816 states and 7007 transitions. [2022-12-14 15:17:31,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 15:17:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4816 states and 7007 transitions. [2022-12-14 15:17:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-12-14 15:17:31,828 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:17:31,829 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:17:31,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:17:31,829 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:17:31,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:17:31,829 INFO L85 PathProgramCache]: Analyzing trace with hash 57013766, now seen corresponding path program 1 times [2022-12-14 15:17:31,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:17:31,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207998970] [2022-12-14 15:17:31,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:17:31,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:17:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:17:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7659 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7659 trivial. 0 not checked. [2022-12-14 15:17:32,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:17:32,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207998970] [2022-12-14 15:17:32,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207998970] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:17:32,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:17:32,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:17:32,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343719272] [2022-12-14 15:17:32,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:17:32,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:17:32,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:17:32,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:17:32,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:17:32,247 INFO L87 Difference]: Start difference. First operand 4816 states and 7007 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 15:17:35,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:37,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:37,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:17:37,958 INFO L93 Difference]: Finished difference Result 11500 states and 16685 transitions. [2022-12-14 15:17:37,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:17:37,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 493 [2022-12-14 15:17:37,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:17:37,985 INFO L225 Difference]: With dead ends: 11500 [2022-12-14 15:17:37,985 INFO L226 Difference]: Without dead ends: 6773 [2022-12-14 15:17:37,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:17:37,999 INFO L413 NwaCegarLoop]: 4085 mSDtfsCounter, 3041 mSDsluCounter, 3333 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 7418 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:17:37,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 7418 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 841 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 15:17:38,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6773 states. [2022-12-14 15:17:38,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6773 to 6754. [2022-12-14 15:17:38,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6754 states, 4029 states have (on average 1.3018118639861007) internal successors, (5245), 4159 states have internal predecessors, (5245), 2261 states have call successors, (2261), 462 states have call predecessors, (2261), 461 states have return successors, (2265), 2236 states have call predecessors, (2265), 2257 states have call successors, (2265) [2022-12-14 15:17:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6754 states to 6754 states and 9771 transitions. [2022-12-14 15:17:38,207 INFO L78 Accepts]: Start accepts. Automaton has 6754 states and 9771 transitions. Word has length 493 [2022-12-14 15:17:38,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:17:38,208 INFO L495 AbstractCegarLoop]: Abstraction has 6754 states and 9771 transitions. [2022-12-14 15:17:38,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 15:17:38,208 INFO L276 IsEmpty]: Start isEmpty. Operand 6754 states and 9771 transitions. [2022-12-14 15:17:38,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-12-14 15:17:38,213 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:17:38,213 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:17:38,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:17:38,214 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:17:38,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:17:38,214 INFO L85 PathProgramCache]: Analyzing trace with hash 619341356, now seen corresponding path program 1 times [2022-12-14 15:17:38,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:17:38,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226945458] [2022-12-14 15:17:38,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:17:38,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:17:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:17:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-12-14 15:17:38,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:17:38,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226945458] [2022-12-14 15:17:38,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226945458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:17:38,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:17:38,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:17:38,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959472580] [2022-12-14 15:17:38,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:17:38,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:17:38,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:17:38,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:17:38,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:17:38,684 INFO L87 Difference]: Start difference. First operand 6754 states and 9771 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 15:17:41,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:43,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:44,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:17:44,265 INFO L93 Difference]: Finished difference Result 17619 states and 25451 transitions. [2022-12-14 15:17:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:17:44,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 488 [2022-12-14 15:17:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:17:44,304 INFO L225 Difference]: With dead ends: 17619 [2022-12-14 15:17:44,305 INFO L226 Difference]: Without dead ends: 10954 [2022-12-14 15:17:44,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:17:44,334 INFO L413 NwaCegarLoop]: 4112 mSDtfsCounter, 3195 mSDsluCounter, 3336 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 7448 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:17:44,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3199 Valid, 7448 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 841 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 15:17:44,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10954 states. [2022-12-14 15:17:44,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10954 to 10929. [2022-12-14 15:17:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10929 states, 6539 states have (on average 1.3009634500688179) internal successors, (8507), 6753 states have internal predecessors, (8507), 3614 states have call successors, (3614), 774 states have call predecessors, (3614), 773 states have return successors, (3636), 3571 states have call predecessors, (3636), 3610 states have call successors, (3636) [2022-12-14 15:17:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10929 states to 10929 states and 15757 transitions. [2022-12-14 15:17:44,767 INFO L78 Accepts]: Start accepts. Automaton has 10929 states and 15757 transitions. Word has length 488 [2022-12-14 15:17:44,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:17:44,768 INFO L495 AbstractCegarLoop]: Abstraction has 10929 states and 15757 transitions. [2022-12-14 15:17:44,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 15:17:44,768 INFO L276 IsEmpty]: Start isEmpty. Operand 10929 states and 15757 transitions. [2022-12-14 15:17:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2022-12-14 15:17:44,775 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:17:44,775 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:17:44,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:17:44,776 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:17:44,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:17:44,776 INFO L85 PathProgramCache]: Analyzing trace with hash -86312364, now seen corresponding path program 1 times [2022-12-14 15:17:44,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:17:44,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890205518] [2022-12-14 15:17:44,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:17:44,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:17:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:17:45,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-12-14 15:17:45,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:17:45,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890205518] [2022-12-14 15:17:45,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890205518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:17:45,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:17:45,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:17:45,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919801738] [2022-12-14 15:17:45,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:17:45,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:17:45,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:17:45,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:17:45,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:17:45,139 INFO L87 Difference]: Start difference. First operand 10929 states and 15757 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 15:17:47,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:49,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:51,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:52,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:17:52,091 INFO L93 Difference]: Finished difference Result 28406 states and 40862 transitions. [2022-12-14 15:17:52,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:17:52,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 490 [2022-12-14 15:17:52,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:17:52,152 INFO L225 Difference]: With dead ends: 28406 [2022-12-14 15:17:52,152 INFO L226 Difference]: Without dead ends: 17566 [2022-12-14 15:17:52,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:17:52,181 INFO L413 NwaCegarLoop]: 4633 mSDtfsCounter, 3181 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3183 SdHoareTripleChecker+Valid, 7965 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:17:52,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3183 Valid, 7965 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 903 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 15:17:52,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17566 states. [2022-12-14 15:17:52,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17566 to 17548. [2022-12-14 15:17:52,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17548 states, 10545 states have (on average 1.2992887624466571) internal successors, (13701), 10903 states have internal predecessors, (13701), 5704 states have call successors, (5704), 1300 states have call predecessors, (5704), 1296 states have return successors, (5764), 5627 states have call predecessors, (5764), 5700 states have call successors, (5764) [2022-12-14 15:17:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17548 states to 17548 states and 25169 transitions. [2022-12-14 15:17:52,725 INFO L78 Accepts]: Start accepts. Automaton has 17548 states and 25169 transitions. Word has length 490 [2022-12-14 15:17:52,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:17:52,726 INFO L495 AbstractCegarLoop]: Abstraction has 17548 states and 25169 transitions. [2022-12-14 15:17:52,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 15:17:52,727 INFO L276 IsEmpty]: Start isEmpty. Operand 17548 states and 25169 transitions. [2022-12-14 15:17:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-12-14 15:17:52,732 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:17:52,732 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:17:52,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:17:52,732 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:17:52,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:17:52,733 INFO L85 PathProgramCache]: Analyzing trace with hash 43276795, now seen corresponding path program 1 times [2022-12-14 15:17:52,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:17:52,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836859197] [2022-12-14 15:17:52,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:17:52,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:17:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:17:53,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7963 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7963 trivial. 0 not checked. [2022-12-14 15:17:53,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:17:53,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836859197] [2022-12-14 15:17:53,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836859197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:17:53,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:17:53,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:17:53,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36009650] [2022-12-14 15:17:53,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:17:53,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:17:53,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:17:53,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:17:53,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:17:53,899 INFO L87 Difference]: Start difference. First operand 17548 states and 25169 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 15:17:56,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:17:58,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:00,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:00,088 INFO L93 Difference]: Finished difference Result 18790 states and 26871 transitions. [2022-12-14 15:18:00,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:18:00,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 515 [2022-12-14 15:18:00,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:00,149 INFO L225 Difference]: With dead ends: 18790 [2022-12-14 15:18:00,149 INFO L226 Difference]: Without dead ends: 18788 [2022-12-14 15:18:00,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:18:00,154 INFO L413 NwaCegarLoop]: 4176 mSDtfsCounter, 3359 mSDsluCounter, 10124 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3367 SdHoareTripleChecker+Valid, 14300 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:00,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3367 Valid, 14300 Invalid, 1516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1513 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 15:18:00,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18788 states. [2022-12-14 15:18:00,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18788 to 18783. [2022-12-14 15:18:00,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18783 states, 11259 states have (on average 1.2969180211386446) internal successors, (14602), 11643 states have internal predecessors, (14602), 6099 states have call successors, (6099), 1424 states have call predecessors, (6099), 1422 states have return successors, (6165), 6019 states have call predecessors, (6165), 6095 states have call successors, (6165) [2022-12-14 15:18:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18783 states to 18783 states and 26866 transitions. [2022-12-14 15:18:00,743 INFO L78 Accepts]: Start accepts. Automaton has 18783 states and 26866 transitions. Word has length 515 [2022-12-14 15:18:00,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:00,743 INFO L495 AbstractCegarLoop]: Abstraction has 18783 states and 26866 transitions. [2022-12-14 15:18:00,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 15:18:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 18783 states and 26866 transitions. [2022-12-14 15:18:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2022-12-14 15:18:00,749 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:00,749 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:00,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 15:18:00,749 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:18:00,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:00,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1980404814, now seen corresponding path program 1 times [2022-12-14 15:18:00,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:00,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415156798] [2022-12-14 15:18:00,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:00,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 7965 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7963 trivial. 0 not checked. [2022-12-14 15:18:01,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:01,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415156798] [2022-12-14 15:18:01,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415156798] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:01,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:01,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:18:01,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367143100] [2022-12-14 15:18:01,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:01,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:18:01,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:01,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:18:01,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:18:01,658 INFO L87 Difference]: Start difference. First operand 18783 states and 26866 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 15:18:04,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:07,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:09,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:12,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:12,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:12,453 INFO L93 Difference]: Finished difference Result 18796 states and 26875 transitions. [2022-12-14 15:18:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:18:12,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 520 [2022-12-14 15:18:12,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:12,503 INFO L225 Difference]: With dead ends: 18796 [2022-12-14 15:18:12,503 INFO L226 Difference]: Without dead ends: 18794 [2022-12-14 15:18:12,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:18:12,510 INFO L413 NwaCegarLoop]: 4152 mSDtfsCounter, 3355 mSDsluCounter, 10070 mSDsCounter, 0 mSdLazyCounter, 1511 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3360 SdHoareTripleChecker+Valid, 14222 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1511 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:12,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3360 Valid, 14222 Invalid, 1516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1511 Invalid, 4 Unknown, 0 Unchecked, 10.3s Time] [2022-12-14 15:18:12,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18794 states. [2022-12-14 15:18:13,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18794 to 18790. [2022-12-14 15:18:13,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18790 states, 11264 states have (on average 1.2967862215909092) internal successors, (14607), 11648 states have internal predecessors, (14607), 6099 states have call successors, (6099), 1425 states have call predecessors, (6099), 1424 states have return successors, (6165), 6020 states have call predecessors, (6165), 6095 states have call successors, (6165) [2022-12-14 15:18:13,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18790 states to 18790 states and 26871 transitions. [2022-12-14 15:18:13,147 INFO L78 Accepts]: Start accepts. Automaton has 18790 states and 26871 transitions. Word has length 520 [2022-12-14 15:18:13,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:13,148 INFO L495 AbstractCegarLoop]: Abstraction has 18790 states and 26871 transitions. [2022-12-14 15:18:13,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 15:18:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 18790 states and 26871 transitions. [2022-12-14 15:18:13,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-12-14 15:18:13,155 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:13,155 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:13,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 15:18:13,155 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:18:13,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:13,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2016224149, now seen corresponding path program 1 times [2022-12-14 15:18:13,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:13,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818227445] [2022-12-14 15:18:13,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:13,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 8071 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8067 trivial. 0 not checked. [2022-12-14 15:18:14,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:14,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818227445] [2022-12-14 15:18:14,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818227445] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:14,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:14,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:18:14,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282320743] [2022-12-14 15:18:14,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:14,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:18:14,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:14,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:18:14,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:18:14,161 INFO L87 Difference]: Start difference. First operand 18790 states and 26871 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 15:18:16,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:19,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:20,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:20,563 INFO L93 Difference]: Finished difference Result 18800 states and 26878 transitions. [2022-12-14 15:18:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:18:20,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 535 [2022-12-14 15:18:20,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:20,607 INFO L225 Difference]: With dead ends: 18800 [2022-12-14 15:18:20,607 INFO L226 Difference]: Without dead ends: 18798 [2022-12-14 15:18:20,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:18:20,615 INFO L413 NwaCegarLoop]: 4152 mSDtfsCounter, 3353 mSDsluCounter, 10070 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3359 SdHoareTripleChecker+Valid, 14222 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:20,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3359 Valid, 14222 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1510 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 15:18:20,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18798 states. [2022-12-14 15:18:21,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18798 to 18794. [2022-12-14 15:18:21,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18794 states, 11267 states have (on average 1.2967071980118932) internal successors, (14610), 11651 states have internal predecessors, (14610), 6099 states have call successors, (6099), 1426 states have call predecessors, (6099), 1425 states have return successors, (6165), 6020 states have call predecessors, (6165), 6095 states have call successors, (6165) [2022-12-14 15:18:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18794 states to 18794 states and 26874 transitions. [2022-12-14 15:18:21,285 INFO L78 Accepts]: Start accepts. Automaton has 18794 states and 26874 transitions. Word has length 535 [2022-12-14 15:18:21,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:21,286 INFO L495 AbstractCegarLoop]: Abstraction has 18794 states and 26874 transitions. [2022-12-14 15:18:21,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 15:18:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 18794 states and 26874 transitions. [2022-12-14 15:18:21,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2022-12-14 15:18:21,293 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:21,293 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 5, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:21,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 15:18:21,293 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:18:21,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:21,294 INFO L85 PathProgramCache]: Analyzing trace with hash 51742087, now seen corresponding path program 1 times [2022-12-14 15:18:21,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:21,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976538670] [2022-12-14 15:18:21,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:21,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 8080 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8074 trivial. 0 not checked. [2022-12-14 15:18:22,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:22,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976538670] [2022-12-14 15:18:22,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976538670] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:22,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:22,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:18:22,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466334108] [2022-12-14 15:18:22,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:22,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:18:22,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:22,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:18:22,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:18:22,110 INFO L87 Difference]: Start difference. First operand 18794 states and 26874 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 15:18:24,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:27,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:29,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:29,097 INFO L93 Difference]: Finished difference Result 34761 states and 49869 transitions. [2022-12-14 15:18:29,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:18:29,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 539 [2022-12-14 15:18:29,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:29,190 INFO L225 Difference]: With dead ends: 34761 [2022-12-14 15:18:29,190 INFO L226 Difference]: Without dead ends: 34757 [2022-12-14 15:18:29,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:18:29,203 INFO L413 NwaCegarLoop]: 4569 mSDtfsCounter, 3396 mSDsluCounter, 12341 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 16910 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:29,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 16910 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1707 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-12-14 15:18:29,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34757 states. [2022-12-14 15:18:30,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34757 to 34741. [2022-12-14 15:18:30,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34741 states, 20839 states have (on average 1.2984308268151064) internal successors, (27058), 21545 states have internal predecessors, (27058), 11259 states have call successors, (11259), 2650 states have call predecessors, (11259), 2640 states have return successors, (11535), 11095 states have call predecessors, (11535), 11251 states have call successors, (11535) [2022-12-14 15:18:30,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34741 states to 34741 states and 49852 transitions. [2022-12-14 15:18:30,738 INFO L78 Accepts]: Start accepts. Automaton has 34741 states and 49852 transitions. Word has length 539 [2022-12-14 15:18:30,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:30,738 INFO L495 AbstractCegarLoop]: Abstraction has 34741 states and 49852 transitions. [2022-12-14 15:18:30,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 15:18:30,739 INFO L276 IsEmpty]: Start isEmpty. Operand 34741 states and 49852 transitions. [2022-12-14 15:18:30,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-12-14 15:18:30,746 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:30,747 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:30,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 15:18:30,747 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:18:30,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:30,747 INFO L85 PathProgramCache]: Analyzing trace with hash 115017275, now seen corresponding path program 1 times [2022-12-14 15:18:30,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:30,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754655680] [2022-12-14 15:18:30,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:30,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 7995 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7987 trivial. 0 not checked. [2022-12-14 15:18:31,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:31,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754655680] [2022-12-14 15:18:31,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754655680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:31,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:31,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:18:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872725534] [2022-12-14 15:18:31,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:31,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:18:31,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:31,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:18:31,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:18:31,416 INFO L87 Difference]: Start difference. First operand 34741 states and 49852 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-14 15:18:34,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:36,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:39,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:39,358 INFO L93 Difference]: Finished difference Result 63075 states and 91076 transitions. [2022-12-14 15:18:39,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 15:18:39,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 535 [2022-12-14 15:18:39,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:39,560 INFO L225 Difference]: With dead ends: 63075 [2022-12-14 15:18:39,560 INFO L226 Difference]: Without dead ends: 62896 [2022-12-14 15:18:39,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:18:39,586 INFO L413 NwaCegarLoop]: 4475 mSDtfsCounter, 3187 mSDsluCounter, 12010 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3189 SdHoareTripleChecker+Valid, 16485 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:39,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3189 Valid, 16485 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1680 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 15:18:39,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62896 states. [2022-12-14 15:18:42,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62896 to 62853. [2022-12-14 15:18:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62853 states, 37600 states have (on average 1.2995478723404255) internal successors, (48863), 38942 states have internal predecessors, (48863), 20385 states have call successors, (20385), 4935 states have call predecessors, (20385), 4865 states have return successors, (21486), 19974 states have call predecessors, (21486), 20373 states have call successors, (21486) [2022-12-14 15:18:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62853 states to 62853 states and 90734 transitions. [2022-12-14 15:18:42,479 INFO L78 Accepts]: Start accepts. Automaton has 62853 states and 90734 transitions. Word has length 535 [2022-12-14 15:18:42,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:42,480 INFO L495 AbstractCegarLoop]: Abstraction has 62853 states and 90734 transitions. [2022-12-14 15:18:42,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-14 15:18:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 62853 states and 90734 transitions. [2022-12-14 15:18:42,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2022-12-14 15:18:42,490 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:42,490 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:42,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 15:18:42,490 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:18:42,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:42,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1222960016, now seen corresponding path program 1 times [2022-12-14 15:18:42,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:42,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882999377] [2022-12-14 15:18:42,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:42,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 8076 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8073 trivial. 0 not checked. [2022-12-14 15:18:42,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:42,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882999377] [2022-12-14 15:18:42,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882999377] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:42,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:42,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:18:42,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453133696] [2022-12-14 15:18:42,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:42,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:18:42,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:42,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:18:42,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:18:42,727 INFO L87 Difference]: Start difference. First operand 62853 states and 90734 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-12-14 15:18:45,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:48,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:18:51,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:18:51,624 INFO L93 Difference]: Finished difference Result 150872 states and 217989 transitions. [2022-12-14 15:18:51,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:18:51,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 554 [2022-12-14 15:18:51,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:18:51,925 INFO L225 Difference]: With dead ends: 150872 [2022-12-14 15:18:51,925 INFO L226 Difference]: Without dead ends: 90409 [2022-12-14 15:18:52,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:18:52,154 INFO L413 NwaCegarLoop]: 6086 mSDtfsCounter, 3036 mSDsluCounter, 3326 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3038 SdHoareTripleChecker+Valid, 9412 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:18:52,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3038 Valid, 9412 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1164 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 15:18:52,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90409 states. [2022-12-14 15:18:55,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90409 to 90332. [2022-12-14 15:18:55,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90332 states, 54025 states have (on average 1.2989356779268857) internal successors, (70175), 55982 states have internal predecessors, (70175), 29302 states have call successors, (29302), 7112 states have call predecessors, (29302), 7002 states have return successors, (30912), 28690 states have call predecessors, (30912), 29290 states have call successors, (30912) [2022-12-14 15:18:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90332 states to 90332 states and 130389 transitions. [2022-12-14 15:18:56,360 INFO L78 Accepts]: Start accepts. Automaton has 90332 states and 130389 transitions. Word has length 554 [2022-12-14 15:18:56,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:18:56,361 INFO L495 AbstractCegarLoop]: Abstraction has 90332 states and 130389 transitions. [2022-12-14 15:18:56,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-12-14 15:18:56,361 INFO L276 IsEmpty]: Start isEmpty. Operand 90332 states and 130389 transitions. [2022-12-14 15:18:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2022-12-14 15:18:56,370 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:18:56,371 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:18:56,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 15:18:56,371 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:18:56,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:18:56,371 INFO L85 PathProgramCache]: Analyzing trace with hash 44364782, now seen corresponding path program 1 times [2022-12-14 15:18:56,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:18:56,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356038105] [2022-12-14 15:18:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:18:56,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:18:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:18:56,675 INFO L134 CoverageAnalysis]: Checked inductivity of 8049 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8046 trivial. 0 not checked. [2022-12-14 15:18:56,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:18:56,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356038105] [2022-12-14 15:18:56,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356038105] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:18:56,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:18:56,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:18:56,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47753597] [2022-12-14 15:18:56,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:18:56,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:18:56,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:18:56,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:18:56,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:18:56,677 INFO L87 Difference]: Start difference. First operand 90332 states and 130389 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-12-14 15:18:59,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:01,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:06,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:06,896 INFO L93 Difference]: Finished difference Result 216915 states and 313157 transitions. [2022-12-14 15:19:06,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:19:06,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 557 [2022-12-14 15:19:06,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:07,339 INFO L225 Difference]: With dead ends: 216915 [2022-12-14 15:19:07,339 INFO L226 Difference]: Without dead ends: 128973 [2022-12-14 15:19:07,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:19:07,565 INFO L413 NwaCegarLoop]: 6205 mSDtfsCounter, 3174 mSDsluCounter, 3325 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3178 SdHoareTripleChecker+Valid, 9530 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:07,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3178 Valid, 9530 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1181 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 15:19:07,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128973 states. [2022-12-14 15:19:12,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128973 to 128897. [2022-12-14 15:19:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128897 states, 77192 states have (on average 1.2987615296921962) internal successors, (100254), 80021 states have internal predecessors, (100254), 41634 states have call successors, (41634), 10238 states have call predecessors, (41634), 10068 states have return successors, (43943), 40738 states have call predecessors, (43943), 41622 states have call successors, (43943) [2022-12-14 15:19:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128897 states to 128897 states and 185831 transitions. [2022-12-14 15:19:13,235 INFO L78 Accepts]: Start accepts. Automaton has 128897 states and 185831 transitions. Word has length 557 [2022-12-14 15:19:13,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:13,235 INFO L495 AbstractCegarLoop]: Abstraction has 128897 states and 185831 transitions. [2022-12-14 15:19:13,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-12-14 15:19:13,236 INFO L276 IsEmpty]: Start isEmpty. Operand 128897 states and 185831 transitions. [2022-12-14 15:19:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2022-12-14 15:19:13,246 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:13,246 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:13,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 15:19:13,246 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:19:13,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:13,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1726058276, now seen corresponding path program 1 times [2022-12-14 15:19:13,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:13,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420996160] [2022-12-14 15:19:13,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:13,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 8049 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8046 trivial. 0 not checked. [2022-12-14 15:19:13,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:13,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420996160] [2022-12-14 15:19:13,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420996160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:13,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:13,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:19:13,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836851375] [2022-12-14 15:19:13,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:13,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:19:13,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:13,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:19:13,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:19:13,537 INFO L87 Difference]: Start difference. First operand 128897 states and 185831 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-12-14 15:19:15,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:17,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:19,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:21,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:28,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:28,957 INFO L93 Difference]: Finished difference Result 310133 states and 447044 transitions. [2022-12-14 15:19:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:19:28,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 551 [2022-12-14 15:19:28,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:29,635 INFO L225 Difference]: With dead ends: 310133 [2022-12-14 15:19:29,635 INFO L226 Difference]: Without dead ends: 183626 [2022-12-14 15:19:29,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:19:29,986 INFO L413 NwaCegarLoop]: 6222 mSDtfsCounter, 3190 mSDsluCounter, 3329 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3192 SdHoareTripleChecker+Valid, 9551 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:29,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3192 Valid, 9551 Invalid, 1189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1178 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2022-12-14 15:19:30,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183626 states. [2022-12-14 15:19:37,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183626 to 183452. [2022-12-14 15:19:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183452 states, 110044 states have (on average 1.2984624332085348) internal successors, (142888), 114138 states have internal predecessors, (142888), 58924 states have call successors, (58924), 14742 states have call predecessors, (58924), 14481 states have return successors, (62258), 57621 states have call predecessors, (62258), 58912 states have call successors, (62258) [2022-12-14 15:19:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183452 states to 183452 states and 264070 transitions. [2022-12-14 15:19:38,517 INFO L78 Accepts]: Start accepts. Automaton has 183452 states and 264070 transitions. Word has length 551 [2022-12-14 15:19:38,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:19:38,518 INFO L495 AbstractCegarLoop]: Abstraction has 183452 states and 264070 transitions. [2022-12-14 15:19:38,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-12-14 15:19:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 183452 states and 264070 transitions. [2022-12-14 15:19:38,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-12-14 15:19:38,528 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:19:38,528 INFO L195 NwaCegarLoop]: trace histogram [46, 45, 45, 45, 45, 45, 45, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:19:38,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 15:19:38,529 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:19:38,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:19:38,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1226651631, now seen corresponding path program 1 times [2022-12-14 15:19:38,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:19:38,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548064421] [2022-12-14 15:19:38,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:19:38,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:19:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:19:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8028 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8028 trivial. 0 not checked. [2022-12-14 15:19:38,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:19:38,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548064421] [2022-12-14 15:19:38,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548064421] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:19:38,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:19:38,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:19:38,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552193794] [2022-12-14 15:19:38,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:19:38,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:19:38,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:19:38,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:19:38,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:19:38,795 INFO L87 Difference]: Start difference. First operand 183452 states and 264070 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2022-12-14 15:19:41,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:44,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:19:56,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:19:56,265 INFO L93 Difference]: Finished difference Result 504879 states and 723436 transitions. [2022-12-14 15:19:56,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:19:56,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 571 [2022-12-14 15:19:56,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:19:57,529 INFO L225 Difference]: With dead ends: 504879 [2022-12-14 15:19:57,530 INFO L226 Difference]: Without dead ends: 321516 [2022-12-14 15:19:58,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:19:58,067 INFO L413 NwaCegarLoop]: 4799 mSDtfsCounter, 2945 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 8159 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:19:58,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 8159 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 897 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 15:19:58,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321516 states. [2022-12-14 15:20:12,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321516 to 321149. [2022-12-14 15:20:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321149 states, 192520 states have (on average 1.2942603365884064) internal successors, (249171), 199492 states have internal predecessors, (249171), 102111 states have call successors, (102111), 26990 states have call predecessors, (102111), 26515 states have return successors, (107283), 99776 states have call predecessors, (107283), 102099 states have call successors, (107283) [2022-12-14 15:20:13,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321149 states to 321149 states and 458565 transitions. [2022-12-14 15:20:13,856 INFO L78 Accepts]: Start accepts. Automaton has 321149 states and 458565 transitions. Word has length 571 [2022-12-14 15:20:13,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:20:13,857 INFO L495 AbstractCegarLoop]: Abstraction has 321149 states and 458565 transitions. [2022-12-14 15:20:13,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2022-12-14 15:20:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 321149 states and 458565 transitions. [2022-12-14 15:20:13,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-12-14 15:20:13,885 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:20:13,886 INFO L195 NwaCegarLoop]: trace histogram [52, 44, 44, 44, 44, 44, 44, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:20:13,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 15:20:13,886 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:20:13,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:20:13,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1704090190, now seen corresponding path program 1 times [2022-12-14 15:20:13,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:20:13,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885734904] [2022-12-14 15:20:13,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:20:13,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:20:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:20:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 8509 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8493 trivial. 0 not checked. [2022-12-14 15:20:14,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:20:14,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885734904] [2022-12-14 15:20:14,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885734904] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:20:14,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:20:14,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:20:14,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468697167] [2022-12-14 15:20:14,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:20:14,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:20:14,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:20:14,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:20:14,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:20:14,270 INFO L87 Difference]: Start difference. First operand 321149 states and 458565 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-14 15:20:16,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:20,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:20:39,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:20:39,779 INFO L93 Difference]: Finished difference Result 761076 states and 1083392 transitions. [2022-12-14 15:20:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:20:39,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 612 [2022-12-14 15:20:39,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:20:41,850 INFO L225 Difference]: With dead ends: 761076 [2022-12-14 15:20:41,850 INFO L226 Difference]: Without dead ends: 440628 [2022-12-14 15:20:42,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:20:42,733 INFO L413 NwaCegarLoop]: 6255 mSDtfsCounter, 3387 mSDsluCounter, 7947 mSDsCounter, 0 mSdLazyCounter, 3371 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 14202 SdHoareTripleChecker+Invalid, 3383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3371 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:20:42,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 14202 Invalid, 3383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 3371 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 15:20:43,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440628 states. [2022-12-14 15:21:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440628 to 440549. [2022-12-14 15:21:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440549 states, 263172 states have (on average 1.2905134284802335) internal successors, (339627), 272774 states have internal predecessors, (339627), 139391 states have call successors, (139391), 38640 states have call predecessors, (139391), 37983 states have return successors, (146175), 136266 states have call predecessors, (146175), 139379 states have call successors, (146175) [2022-12-14 15:21:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440549 states to 440549 states and 625193 transitions. [2022-12-14 15:21:04,690 INFO L78 Accepts]: Start accepts. Automaton has 440549 states and 625193 transitions. Word has length 612 [2022-12-14 15:21:04,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:21:04,690 INFO L495 AbstractCegarLoop]: Abstraction has 440549 states and 625193 transitions. [2022-12-14 15:21:04,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-14 15:21:04,691 INFO L276 IsEmpty]: Start isEmpty. Operand 440549 states and 625193 transitions. [2022-12-14 15:21:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-12-14 15:21:04,716 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:21:04,716 INFO L195 NwaCegarLoop]: trace histogram [52, 44, 44, 44, 44, 44, 44, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:21:04,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 15:21:04,717 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:21:04,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:21:04,717 INFO L85 PathProgramCache]: Analyzing trace with hash -895094498, now seen corresponding path program 1 times [2022-12-14 15:21:04,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:21:04,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328894810] [2022-12-14 15:21:04,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:21:04,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:21:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:21:05,635 INFO L134 CoverageAnalysis]: Checked inductivity of 8436 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8436 trivial. 0 not checked. [2022-12-14 15:21:05,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:21:05,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328894810] [2022-12-14 15:21:05,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328894810] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:21:05,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:21:05,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:21:05,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001937] [2022-12-14 15:21:05,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:21:05,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:21:05,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:21:05,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:21:05,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:21:05,637 INFO L87 Difference]: Start difference. First operand 440549 states and 625193 transitions. Second operand has 5 states, 4 states have (on average 32.75) internal successors, (131), 5 states have internal predecessors, (131), 4 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2022-12-14 15:21:08,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:21:11,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:21:38,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:21:38,806 INFO L93 Difference]: Finished difference Result 1001706 states and 1445890 transitions. [2022-12-14 15:21:38,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:21:38,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.75) internal successors, (131), 5 states have internal predecessors, (131), 4 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) Word has length 612 [2022-12-14 15:21:38,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:21:41,423 INFO L225 Difference]: With dead ends: 1001706 [2022-12-14 15:21:41,423 INFO L226 Difference]: Without dead ends: 561858 [2022-12-14 15:21:42,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 15:21:42,861 INFO L413 NwaCegarLoop]: 4846 mSDtfsCounter, 4161 mSDsluCounter, 11012 mSDsCounter, 0 mSdLazyCounter, 2231 mSolverCounterSat, 266 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4165 SdHoareTripleChecker+Valid, 15858 SdHoareTripleChecker+Invalid, 2499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 2231 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:21:42,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4165 Valid, 15858 Invalid, 2499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 2231 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-12-14 15:21:43,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561858 states. [2022-12-14 15:22:06,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561858 to 441125. [2022-12-14 15:22:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441125 states, 263556 states have (on average 1.2900901516186314) internal successors, (340011), 273158 states have internal predecessors, (340011), 139487 states have call successors, (139487), 38736 states have call predecessors, (139487), 38079 states have return successors, (146415), 136362 states have call predecessors, (146415), 139475 states have call successors, (146415) [2022-12-14 15:22:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441125 states to 441125 states and 625913 transitions. [2022-12-14 15:22:09,282 INFO L78 Accepts]: Start accepts. Automaton has 441125 states and 625913 transitions. Word has length 612 [2022-12-14 15:22:09,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:22:09,283 INFO L495 AbstractCegarLoop]: Abstraction has 441125 states and 625913 transitions. [2022-12-14 15:22:09,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.75) internal successors, (131), 5 states have internal predecessors, (131), 4 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2022-12-14 15:22:09,283 INFO L276 IsEmpty]: Start isEmpty. Operand 441125 states and 625913 transitions. [2022-12-14 15:22:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2022-12-14 15:22:09,309 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:22:09,309 INFO L195 NwaCegarLoop]: trace histogram [52, 44, 44, 44, 44, 44, 44, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:22:09,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 15:22:09,309 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:22:09,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:22:09,310 INFO L85 PathProgramCache]: Analyzing trace with hash 2118492411, now seen corresponding path program 1 times [2022-12-14 15:22:09,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:22:09,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121224938] [2022-12-14 15:22:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:22:09,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:22:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:22:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 8436 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8436 trivial. 0 not checked. [2022-12-14 15:22:10,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:22:10,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121224938] [2022-12-14 15:22:10,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121224938] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:22:10,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:22:10,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:22:10,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013348883] [2022-12-14 15:22:10,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:22:10,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:22:10,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:22:10,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:22:10,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:22:10,144 INFO L87 Difference]: Start difference. First operand 441125 states and 625913 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2022-12-14 15:22:11,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:22:14,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:22:21,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:22:40,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:22:40,720 INFO L93 Difference]: Finished difference Result 880785 states and 1249729 transitions. [2022-12-14 15:22:40,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:22:40,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) Word has length 611 [2022-12-14 15:22:40,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:22:42,682 INFO L225 Difference]: With dead ends: 880785 [2022-12-14 15:22:42,682 INFO L226 Difference]: Without dead ends: 440361 [2022-12-14 15:22:43,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:22:43,985 INFO L413 NwaCegarLoop]: 4136 mSDtfsCounter, 3346 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 5914 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 15:22:43,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3348 Valid, 5914 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 631 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 15:22:44,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440361 states.