./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_drivers-media-pci-cx88-cx8800.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_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/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_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/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_6a104b74-5917-42e4-af01-45f121284535/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 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 --- 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 12:56:39,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:56:39,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:56:39,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:56:39,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:56:39,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:56:39,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:56:39,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:56:39,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:56:39,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:56:39,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:56:39,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:56:39,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:56:39,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:56:39,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:56:39,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:56:39,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:56:39,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:56:39,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:56:39,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:56:39,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:56:39,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:56:39,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:56:39,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:56:39,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:56:39,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:56:39,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:56:39,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:56:39,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:56:39,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:56:39,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:56:39,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:56:39,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:56:39,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:56:39,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:56:39,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:56:39,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:56:39,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:56:39,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:56:39,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:56:39,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:56:39,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 12:56:39,654 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:56:39,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:56:39,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:56:39,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:56:39,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:56:39,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:56:39,662 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:56:39,662 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:56:39,662 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:56:39,662 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:56:39,663 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:56:39,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:56:39,663 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:56:39,663 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:56:39,663 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:56:39,664 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:56:39,664 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:56:39,664 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:56:39,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:56:39,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:56:39,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:56:39,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:56:39,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:56:39,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:56:39,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:56:39,666 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:56:39,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:56:39,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:56:39,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:56:39,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:56:39,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:56:39,667 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:56:39,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:56:39,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:56:39,668 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:56:39,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:56:39,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:56:39,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:56:39,669 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_6a104b74-5917-42e4-af01-45f121284535/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 [2022-12-14 12:56:39,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:56:39,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:56:39,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:56:39,866 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:56:39,866 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:56:39,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2022-12-14 12:56:42,510 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:56:42,951 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:56:42,952 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2022-12-14 12:56:42,991 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/data/10528f75b/ae847e74730c4bcb8da18d8ecf626442/FLAG14467753f [2022-12-14 12:56:43,001 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/data/10528f75b/ae847e74730c4bcb8da18d8ecf626442 [2022-12-14 12:56:43,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:56:43,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:56:43,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:56:43,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:56:43,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:56:43,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:56:43" (1/1) ... [2022-12-14 12:56:43,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@971fa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:43, skipping insertion in model container [2022-12-14 12:56:43,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:56:43" (1/1) ... [2022-12-14 12:56:43,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:56:43,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:56:43,801 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 12:56:43,821 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 12:56:43,951 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 12:56:43,956 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 12:56:43,961 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:56:44,049 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 12:56:44,112 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 12:56:44,140 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 12:56:44,194 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 12:56:44,220 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:44,500 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,528 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-12-14 12:56:44,536 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-12-14 12:56:44,537 WARN L623 FunctionHandler]: Unknown extern function cx88_set_scale [2022-12-14 12:56:44,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,554 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 12:56:44,556 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 12:56:44,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,570 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 12:56:44,574 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 12:56:44,575 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:44,576 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:44,576 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:44,577 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:44,577 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:44,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,579 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-12-14 12:56:44,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,587 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 12:56:44,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,595 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-12-14 12:56:44,601 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:44,606 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:44,612 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:44,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,614 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 12:56:44,615 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 12:56:44,615 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 12:56:44,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,620 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-12-14 12:56:44,620 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-12-14 12:56:44,620 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-12-14 12:56:44,623 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 12:56:44,628 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:44,629 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-12-14 12:56:44,630 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-12-14 12:56:44,635 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:44,636 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 12:56:44,636 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-12-14 12:56:44,644 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-12-14 12:56:44,644 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:56:44,645 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-12-14 12:56:44,645 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-12-14 12:56:44,645 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-12-14 12:56:44,645 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 12:56:44,646 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-14 12:56:44,646 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:56:44,654 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-12-14 12:56:44,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,671 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-12-14 12:56:44,672 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-12-14 12:56:44,673 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-12-14 12:56:44,674 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-12-14 12:56:44,675 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-12-14 12:56:44,675 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-12-14 12:56:44,677 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,691 WARN L623 FunctionHandler]: Unknown extern function v4l_bound_align_image [2022-12-14 12:56:44,698 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:44,698 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 12:56:44,705 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 12:56:44,711 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 12:56:44,716 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 12:56:44,722 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 12:56:44,737 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 12:56:44,742 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 12:56:44,748 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:44,749 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 12:56:44,754 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:44,755 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 12:56:44,765 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-12-14 12:56:44,783 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-12-14 12:56:44,791 WARN L623 FunctionHandler]: Unknown extern function cx88_get_stereo [2022-12-14 12:56:44,796 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-12-14 12:56:44,805 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-12-14 12:56:44,807 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:56:44,808 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-12-14 12:56:44,842 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-12-14 12:56:44,843 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:56:44,843 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:56:44,843 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:56:44,843 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,852 WARN L623 FunctionHandler]: Unknown extern function cx88_print_irqbits [2022-12-14 12:56:44,852 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,853 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-12-14 12:56:44,853 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-12-14 12:56:44,854 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-12-14 12:56:44,854 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,861 WARN L623 FunctionHandler]: Unknown extern function cx88_core_irq [2022-12-14 12:56:44,861 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,874 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 12:56:44,875 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 12:56:44,875 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 12:56:44,875 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 12:56:44,876 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 12:56:44,876 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 12:56:44,881 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 12:56:44,882 WARN L623 FunctionHandler]: Unknown extern function cx88_core_get [2022-12-14 12:56:44,882 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,883 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 12:56:44,883 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,883 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:56:44,884 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 12:56:44,884 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-12-14 12:56:44,884 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 12:56:44,885 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-12-14 12:56:44,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,886 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 12:56:44,886 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 12:56:44,887 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_add_handler [2022-12-14 12:56:44,889 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev_board [2022-12-14 12:56:44,890 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev [2022-12-14 12:56:44,891 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-12-14 12:56:44,892 WARN L623 FunctionHandler]: Unknown extern function i2c_new_device [2022-12-14 12:56:44,892 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-12-14 12:56:44,892 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-12-14 12:56:44,892 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-12-14 12:56:44,893 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-12-14 12:56:44,893 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-12-14 12:56:44,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,894 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-12-14 12:56:44,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,896 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-12-14 12:56:44,897 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,897 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,897 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 12:56:44,898 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 12:56:44,898 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,899 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-12-14 12:56:44,899 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:56:44,904 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 12:56:44,905 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-12-14 12:56:44,905 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-12-14 12:56:44,905 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:56:44,905 WARN L623 FunctionHandler]: Unknown extern function btcx_riscmem_free [2022-12-14 12:56:44,905 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-12-14 12:56:44,906 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:56:44,911 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:56:44,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,912 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-12-14 12:56:44,912 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-12-14 12:56:44,912 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 12:56:44,913 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 12:56:44,913 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:56:44,913 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:56:44,918 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 12:56:44,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,919 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:56:44,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,919 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:56:44,919 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 12:56:44,919 WARN L623 FunctionHandler]: Unknown extern function cx88_reset [2022-12-14 12:56:44,920 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_start [2022-12-14 12:56:44,920 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:56:44,920 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:44,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:45,530 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 12:56:45,530 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 12:56:45,531 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 12:56:45,531 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 12:56:45,535 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 12:56:45,536 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 12:56:45,536 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 12:56:45,539 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 12:56:45,540 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 12:56:45,544 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:56:45,553 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 12:56:45,553 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 12:56:45,566 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:56:45,566 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:56:45,567 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:56:45,568 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:56:45,569 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:56:45,569 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 12:56:45,569 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 12:56:45,570 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 12:56:45,570 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 12:56:45,586 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-12-14 12:56:45,600 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:45,601 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 12:56:45,602 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-12-14 12:56:45,603 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:56:45,604 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:56:45,604 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:56:45,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:45,618 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 12:56:45,618 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 12:56:45,619 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:45,619 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-12-14 12:56:45,626 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 12:56:45,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:45,628 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:45,634 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-12-14 12:56:45,649 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:56:45,649 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:56:45,700 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 12:56:45,701 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 12:56:45,713 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 12:56:45,993 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_6a104b74-5917-42e4-af01-45f121284535/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2022-12-14 12:56:45,996 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_6a104b74-5917-42e4-af01-45f121284535/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2022-12-14 12:56:45,996 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_6a104b74-5917-42e4-af01-45f121284535/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2022-12-14 12:56:45,997 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_6a104b74-5917-42e4-af01-45f121284535/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2022-12-14 12:56:46,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:56:46,060 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:56:46,192 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 12:56:46,193 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 12:56:46,195 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 12:56:46,195 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 12:56:46,195 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:56:46,197 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-12-14 12:56:46,199 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 12:56:46,200 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 12:56:46,202 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 12:56:46,204 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:46,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,242 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-12-14 12:56:46,244 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-12-14 12:56:46,244 WARN L623 FunctionHandler]: Unknown extern function cx88_set_scale [2022-12-14 12:56:46,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,249 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 12:56:46,250 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 12:56:46,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,263 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 12:56:46,265 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 12:56:46,266 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:46,266 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:46,267 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:46,267 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:46,267 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:46,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,268 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-12-14 12:56:46,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,275 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 12:56:46,276 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,278 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-12-14 12:56:46,279 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:46,279 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:46,280 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:46,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,281 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 12:56:46,286 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 12:56:46,287 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 12:56:46,287 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,302 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-12-14 12:56:46,302 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-12-14 12:56:46,302 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-12-14 12:56:46,316 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 12:56:46,317 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:46,323 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-12-14 12:56:46,328 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-12-14 12:56:46,329 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:46,329 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 12:56:46,335 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-12-14 12:56:46,341 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-12-14 12:56:46,342 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:56:46,342 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-12-14 12:56:46,342 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-12-14 12:56:46,343 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-12-14 12:56:46,343 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 12:56:46,343 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-14 12:56:46,343 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:56:46,366 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-12-14 12:56:46,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,373 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-12-14 12:56:46,378 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-12-14 12:56:46,383 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-12-14 12:56:46,389 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-12-14 12:56:46,394 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-12-14 12:56:46,399 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-12-14 12:56:46,405 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,419 WARN L623 FunctionHandler]: Unknown extern function v4l_bound_align_image [2022-12-14 12:56:46,425 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:46,426 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 12:56:46,432 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 12:56:46,433 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 12:56:46,433 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 12:56:46,434 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 12:56:46,434 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 12:56:46,435 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 12:56:46,435 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:46,440 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 12:56:46,441 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 12:56:46,449 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 12:56:46,455 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-12-14 12:56:46,466 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-12-14 12:56:46,477 WARN L623 FunctionHandler]: Unknown extern function cx88_get_stereo [2022-12-14 12:56:46,481 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-12-14 12:56:46,493 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-12-14 12:56:46,515 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 12:56:46,515 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-12-14 12:56:46,565 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-12-14 12:56:46,566 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:56:46,566 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:56:46,566 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:56:46,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,568 WARN L623 FunctionHandler]: Unknown extern function cx88_print_irqbits [2022-12-14 12:56:46,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,569 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-12-14 12:56:46,569 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-12-14 12:56:46,570 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-12-14 12:56:46,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,571 WARN L623 FunctionHandler]: Unknown extern function cx88_core_irq [2022-12-14 12:56:46,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,576 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 12:56:46,577 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 12:56:46,577 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 12:56:46,577 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 12:56:46,577 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 12:56:46,577 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 12:56:46,578 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 12:56:46,579 WARN L623 FunctionHandler]: Unknown extern function cx88_core_get [2022-12-14 12:56:46,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,579 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 12:56:46,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,580 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:56:46,580 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 12:56:46,580 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-12-14 12:56:46,581 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 12:56:46,581 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-12-14 12:56:46,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,582 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 12:56:46,582 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 12:56:46,583 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_add_handler [2022-12-14 12:56:46,583 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev_board [2022-12-14 12:56:46,584 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev [2022-12-14 12:56:46,585 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-12-14 12:56:46,585 WARN L623 FunctionHandler]: Unknown extern function i2c_new_device [2022-12-14 12:56:46,585 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-12-14 12:56:46,586 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-12-14 12:56:46,586 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-12-14 12:56:46,586 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-12-14 12:56:46,586 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-12-14 12:56:46,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,587 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-12-14 12:56:46,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,588 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-12-14 12:56:46,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,590 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 12:56:46,590 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 12:56:46,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,591 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-12-14 12:56:46,591 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:56:46,592 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 12:56:46,592 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-12-14 12:56:46,592 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-12-14 12:56:46,592 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:56:46,593 WARN L623 FunctionHandler]: Unknown extern function btcx_riscmem_free [2022-12-14 12:56:46,593 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-12-14 12:56:46,593 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:56:46,594 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:56:46,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,594 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-12-14 12:56:46,595 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-12-14 12:56:46,595 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 12:56:46,595 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 12:56:46,595 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:56:46,595 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:56:46,596 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 12:56:46,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,596 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 12:56:46,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,597 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:56:46,597 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 12:56:46,597 WARN L623 FunctionHandler]: Unknown extern function cx88_reset [2022-12-14 12:56:46,597 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_start [2022-12-14 12:56:46,598 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:56:46,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,615 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 12:56:46,616 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 12:56:46,616 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 12:56:46,616 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 12:56:46,618 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 12:56:46,619 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 12:56:46,619 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 12:56:46,621 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 12:56:46,621 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 12:56:46,624 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:56:46,629 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 12:56:46,630 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 12:56:46,639 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:56:46,639 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:56:46,639 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:56:46,640 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:56:46,641 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:56:46,641 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 12:56:46,641 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 12:56:46,642 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 12:56:46,642 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 12:56:46,645 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-12-14 12:56:46,647 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,648 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 12:56:46,648 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-12-14 12:56:46,649 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:56:46,649 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:56:46,649 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:56:46,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,652 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 12:56:46,652 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 12:56:46,652 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-12-14 12:56:46,653 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-12-14 12:56:46,655 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 12:56:46,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:56:46,656 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-12-14 12:56:46,657 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:56:46,657 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:56:46,659 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 12:56:46,659 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 12:56:46,660 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 12:56:46,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[570903,570916] [2022-12-14 12:56:46,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571069,571082] [2022-12-14 12:56:46,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571233,571246] [2022-12-14 12:56:46,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i[571398,571411] [2022-12-14 12:56:46,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:56:46,841 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:56:46,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46 WrapperNode [2022-12-14 12:56:46,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:56:46,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:56:46,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:56:46,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:56:46,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (1/1) ... [2022-12-14 12:56:46,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (1/1) ... [2022-12-14 12:56:47,113 INFO L138 Inliner]: procedures = 489, calls = 4166, calls flagged for inlining = 273, calls inlined = 262, statements flattened = 8683 [2022-12-14 12:56:47,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:56:47,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:56:47,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:56:47,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:56:47,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (1/1) ... [2022-12-14 12:56:47,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (1/1) ... [2022-12-14 12:56:47,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (1/1) ... [2022-12-14 12:56:47,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (1/1) ... [2022-12-14 12:56:47,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (1/1) ... [2022-12-14 12:56:47,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (1/1) ... [2022-12-14 12:56:47,313 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (1/1) ... [2022-12-14 12:56:47,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (1/1) ... [2022-12-14 12:56:47,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:56:47,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:56:47,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:56:47,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:56:47,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (1/1) ... [2022-12-14 12:56:47,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:56:47,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:56:47,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:56:47,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:56:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2022-12-14 12:56:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2022-12-14 12:56:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 12:56:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 12:56:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2022-12-14 12:56:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2022-12-14 12:56:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2022-12-14 12:56:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2022-12-14 12:56:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2022-12-14 12:56:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2022-12-14 12:56:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 12:56:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 12:56:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2022-12-14 12:56:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2022-12-14 12:56:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2022-12-14 12:56:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2022-12-14 12:56:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2022-12-14 12:56:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2022-12-14 12:56:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 12:56:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 12:56:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2022-12-14 12:56:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2022-12-14 12:56:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2022-12-14 12:56:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2022-12-14 12:56:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2022-12-14 12:56:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2022-12-14 12:56:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2022-12-14 12:56:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2022-12-14 12:56:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 12:56:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 12:56:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2022-12-14 12:56:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2022-12-14 12:56:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2022-12-14 12:56:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2022-12-14 12:56:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-14 12:56:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-14 12:56:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2022-12-14 12:56:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2022-12-14 12:56:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 12:56:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 12:56:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2022-12-14 12:56:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2022-12-14 12:56:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2022-12-14 12:56:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2022-12-14 12:56:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2022-12-14 12:56:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2022-12-14 12:56:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2022-12-14 12:56:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2022-12-14 12:56:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 12:56:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 12:56:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 12:56:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 12:56:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 12:56:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 12:56:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-12-14 12:56:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-12-14 12:56:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-12-14 12:56:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-12-14 12:56:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 12:56:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 12:56:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2022-12-14 12:56:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2022-12-14 12:56:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2022-12-14 12:56:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2022-12-14 12:56:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2022-12-14 12:56:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2022-12-14 12:56:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 12:56:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 12:56:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 12:56:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 12:56:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2022-12-14 12:56:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2022-12-14 12:56:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-12-14 12:56:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-12-14 12:56:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2022-12-14 12:56:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2022-12-14 12:56:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:56:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2022-12-14 12:56:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2022-12-14 12:56:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2022-12-14 12:56:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2022-12-14 12:56:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 12:56:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 12:56:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2022-12-14 12:56:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 12:56:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 12:56:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-12-14 12:56:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-12-14 12:56:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2022-12-14 12:56:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2022-12-14 12:56:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 12:56:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2022-12-14 12:56:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2022-12-14 12:56:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 12:56:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 12:56:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2022-12-14 12:56:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2022-12-14 12:56:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2022-12-14 12:56:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2022-12-14 12:56:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:56:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2022-12-14 12:56:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2022-12-14 12:56:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 12:56:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 12:56:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-12-14 12:56:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-12-14 12:56:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2022-12-14 12:56:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2022-12-14 12:56:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 12:56:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 12:56:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2022-12-14 12:56:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2022-12-14 12:56:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 12:56:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 12:56:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2022-12-14 12:56:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2022-12-14 12:56:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2022-12-14 12:56:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2022-12-14 12:56:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 12:56:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 12:56:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2022-12-14 12:56:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2022-12-14 12:56:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 12:56:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 12:56:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2022-12-14 12:56:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2022-12-14 12:56:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-12-14 12:56:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2022-12-14 12:56:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2022-12-14 12:56:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2022-12-14 12:56:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:56:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 12:56:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 12:56:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 12:56:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 12:56:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 12:56:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 12:56:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 12:56:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 12:56:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2022-12-14 12:56:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2022-12-14 12:56:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:56:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 12:56:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 12:56:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:56:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2022-12-14 12:56:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2022-12-14 12:56:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:56:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:56:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 12:56:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 12:56:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2022-12-14 12:56:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2022-12-14 12:56:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2022-12-14 12:56:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2022-12-14 12:56:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2022-12-14 12:56:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2022-12-14 12:56:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 12:56:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 12:56:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2022-12-14 12:56:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2022-12-14 12:56:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-12-14 12:56:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-12-14 12:56:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2022-12-14 12:56:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2022-12-14 12:56:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2022-12-14 12:56:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2022-12-14 12:56:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2022-12-14 12:56:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2022-12-14 12:56:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2022-12-14 12:56:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2022-12-14 12:56:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2022-12-14 12:56:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2022-12-14 12:56:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2022-12-14 12:56:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2022-12-14 12:56:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2022-12-14 12:56:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2022-12-14 12:56:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-14 12:56:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-14 12:56:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 12:56:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 12:56:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-12-14 12:56:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2022-12-14 12:56:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:56:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:56:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2022-12-14 12:56:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2022-12-14 12:56:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 12:56:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 12:56:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-12-14 12:56:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-12-14 12:56:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 12:56:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 12:56:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2022-12-14 12:56:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2022-12-14 12:56:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2022-12-14 12:56:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2022-12-14 12:56:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2022-12-14 12:56:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2022-12-14 12:56:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2022-12-14 12:56:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2022-12-14 12:56:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-12-14 12:56:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-12-14 12:56:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 12:56:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 12:56:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2022-12-14 12:56:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2022-12-14 12:56:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2022-12-14 12:56:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2022-12-14 12:56:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2022-12-14 12:56:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2022-12-14 12:56:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2022-12-14 12:56:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2022-12-14 12:56:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2022-12-14 12:56:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2022-12-14 12:56:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2022-12-14 12:56:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2022-12-14 12:56:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-14 12:56:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-14 12:56:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-12-14 12:56:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-12-14 12:56:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure video_poll [2022-12-14 12:56:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure video_poll [2022-12-14 12:56:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:56:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 12:56:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 12:56:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:56:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2022-12-14 12:56:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2022-12-14 12:56:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2022-12-14 12:56:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2022-12-14 12:56:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2022-12-14 12:56:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2022-12-14 12:56:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2022-12-14 12:56:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2022-12-14 12:56:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 12:56:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-12-14 12:56:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-12-14 12:56:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 12:56:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 12:56:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2022-12-14 12:56:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2022-12-14 12:56:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 12:56:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 12:56:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 12:56:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 12:56:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 12:56:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 12:56:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 12:56:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 12:56:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2022-12-14 12:56:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2022-12-14 12:56:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 12:56:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 12:56:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-12-14 12:56:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-12-14 12:56:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 12:56:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 12:56:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2022-12-14 12:56:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2022-12-14 12:56:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2022-12-14 12:56:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2022-12-14 12:56:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2022-12-14 12:56:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2022-12-14 12:56:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 12:56:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 12:56:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 12:56:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 12:56:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:56:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 12:56:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 12:56:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2022-12-14 12:56:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2022-12-14 12:56:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 12:56:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 12:56:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2022-12-14 12:56:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2022-12-14 12:56:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 12:56:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 12:56:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2022-12-14 12:56:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2022-12-14 12:56:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2022-12-14 12:56:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2022-12-14 12:56:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2022-12-14 12:56:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2022-12-14 12:56:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 12:56:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 12:56:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 12:56:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 12:56:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 12:56:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 12:56:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2022-12-14 12:56:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2022-12-14 12:56:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 12:56:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 12:56:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2022-12-14 12:56:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2022-12-14 12:56:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 12:56:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 12:56:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2022-12-14 12:56:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2022-12-14 12:56:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 12:56:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 12:56:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 12:56:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 12:56:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2022-12-14 12:56:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2022-12-14 12:56:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:56:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 12:56:47,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 12:56:48,310 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:56:48,313 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:56:48,589 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 12:57:13,699 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 12:57:13,823 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:57:15,023 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:57:15,024 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 12:57:15,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:57:15 BoogieIcfgContainer [2022-12-14 12:57:15,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:57:15,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:57:15,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:57:15,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:57:15,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:56:43" (1/3) ... [2022-12-14 12:57:15,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a9509e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:57:15, skipping insertion in model container [2022-12-14 12:57:15,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:56:46" (2/3) ... [2022-12-14 12:57:15,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a9509e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:57:15, skipping insertion in model container [2022-12-14 12:57:15,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:57:15" (3/3) ... [2022-12-14 12:57:15,034 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2022-12-14 12:57:15,048 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:57:15,048 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 12:57:15,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:57:15,115 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;@4d3ede25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:57:15,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 12:57:15,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 2246 states, 1337 states have (on average 1.2976813762154076) internal successors, (1735), 1352 states have internal predecessors, (1735), 759 states have call successors, (759), 148 states have call predecessors, (759), 147 states have return successors, (752), 751 states have call predecessors, (752), 752 states have call successors, (752) [2022-12-14 12:57:15,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-12-14 12:57:15,148 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:15,149 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 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] [2022-12-14 12:57:15,149 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 12:57:15,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:15,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1420819741, now seen corresponding path program 1 times [2022-12-14 12:57:15,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:15,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548579438] [2022-12-14 12:57:15,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:15,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 9509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9509 trivial. 0 not checked. [2022-12-14 12:57:16,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:16,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548579438] [2022-12-14 12:57:16,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548579438] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:16,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:16,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:57:16,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416451576] [2022-12-14 12:57:16,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:16,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:57:16,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:16,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:57:16,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:57:16,485 INFO L87 Difference]: Start difference. First operand has 2246 states, 1337 states have (on average 1.2976813762154076) internal successors, (1735), 1352 states have internal predecessors, (1735), 759 states have call successors, (759), 148 states have call predecessors, (759), 147 states have return successors, (752), 751 states have call predecessors, (752), 752 states have call successors, (752) Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-12-14 12:57:19,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:19,710 INFO L93 Difference]: Finished difference Result 6461 states and 9491 transitions. [2022-12-14 12:57:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:57:19,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 515 [2022-12-14 12:57:19,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:19,752 INFO L225 Difference]: With dead ends: 6461 [2022-12-14 12:57:19,752 INFO L226 Difference]: Without dead ends: 4303 [2022-12-14 12:57:19,767 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 12:57:19,769 INFO L413 NwaCegarLoop]: 3444 mSDtfsCounter, 3003 mSDsluCounter, 2727 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3003 SdHoareTripleChecker+Valid, 6171 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:19,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3003 Valid, 6171 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 12:57:19,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4303 states. [2022-12-14 12:57:19,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4303 to 4299. [2022-12-14 12:57:19,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4299 states, 2581 states have (on average 1.2932971716388997) internal successors, (3338), 2610 states have internal predecessors, (3338), 1425 states have call successors, (1425), 291 states have call predecessors, (1425), 290 states have return successors, (1421), 1419 states have call predecessors, (1421), 1421 states have call successors, (1421) [2022-12-14 12:57:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 6184 transitions. [2022-12-14 12:57:20,014 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 6184 transitions. Word has length 515 [2022-12-14 12:57:20,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:20,016 INFO L495 AbstractCegarLoop]: Abstraction has 4299 states and 6184 transitions. [2022-12-14 12:57:20,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-12-14 12:57:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 6184 transitions. [2022-12-14 12:57:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2022-12-14 12:57:20,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:20,030 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:20,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:57:20,031 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 12:57:20,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:20,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1211597687, now seen corresponding path program 1 times [2022-12-14 12:57:20,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:20,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252780221] [2022-12-14 12:57:20,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:20,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2022-12-14 12:57:20,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:20,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252780221] [2022-12-14 12:57:20,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252780221] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:20,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:20,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:57:20,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369033792] [2022-12-14 12:57:20,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:20,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:57:20,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:20,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:57:20,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:57:20,885 INFO L87 Difference]: Start difference. First operand 4299 states and 6184 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-12-14 12:57:24,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:24,182 INFO L93 Difference]: Finished difference Result 10298 states and 14736 transitions. [2022-12-14 12:57:24,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:57:24,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 526 [2022-12-14 12:57:24,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:24,207 INFO L225 Difference]: With dead ends: 10298 [2022-12-14 12:57:24,207 INFO L226 Difference]: Without dead ends: 6098 [2022-12-14 12:57:24,222 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 12:57:24,222 INFO L413 NwaCegarLoop]: 3372 mSDtfsCounter, 2762 mSDsluCounter, 2693 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2762 SdHoareTripleChecker+Valid, 6065 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:24,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2762 Valid, 6065 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 12:57:24,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6098 states. [2022-12-14 12:57:24,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6098 to 6077. [2022-12-14 12:57:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6077 states, 3672 states have (on average 1.2889433551198257) internal successors, (4733), 3718 states have internal predecessors, (4733), 1964 states have call successors, (1964), 439 states have call predecessors, (1964), 438 states have return successors, (1960), 1952 states have call predecessors, (1960), 1960 states have call successors, (1960) [2022-12-14 12:57:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6077 states to 6077 states and 8657 transitions. [2022-12-14 12:57:24,415 INFO L78 Accepts]: Start accepts. Automaton has 6077 states and 8657 transitions. Word has length 526 [2022-12-14 12:57:24,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:24,416 INFO L495 AbstractCegarLoop]: Abstraction has 6077 states and 8657 transitions. [2022-12-14 12:57:24,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-12-14 12:57:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 6077 states and 8657 transitions. [2022-12-14 12:57:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2022-12-14 12:57:24,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:24,425 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:24,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:57:24,426 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 12:57:24,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:24,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1125029034, now seen corresponding path program 1 times [2022-12-14 12:57:24,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:24,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934081295] [2022-12-14 12:57:24,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:24,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:25,088 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2022-12-14 12:57:25,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:25,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934081295] [2022-12-14 12:57:25,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934081295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:25,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:25,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:57:25,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646746953] [2022-12-14 12:57:25,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:25,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:57:25,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:25,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:57:25,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:57:25,091 INFO L87 Difference]: Start difference. First operand 6077 states and 8657 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-12-14 12:57:30,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:30,093 INFO L93 Difference]: Finished difference Result 14861 states and 21122 transitions. [2022-12-14 12:57:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:57:30,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 525 [2022-12-14 12:57:30,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:30,125 INFO L225 Difference]: With dead ends: 14861 [2022-12-14 12:57:30,125 INFO L226 Difference]: Without dead ends: 8883 [2022-12-14 12:57:30,141 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 12:57:30,142 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 2758 mSDsluCounter, 2691 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2758 SdHoareTripleChecker+Valid, 6472 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:30,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2758 Valid, 6472 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 12:57:30,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8883 states. [2022-12-14 12:57:30,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8883 to 8862. [2022-12-14 12:57:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8862 states, 5339 states have (on average 1.2781419741524631) internal successors, (6824), 5419 states have internal predecessors, (6824), 2870 states have call successors, (2870), 651 states have call predecessors, (2870), 650 states have return successors, (2866), 2846 states have call predecessors, (2866), 2866 states have call successors, (2866) [2022-12-14 12:57:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8862 states to 8862 states and 12560 transitions. [2022-12-14 12:57:30,541 INFO L78 Accepts]: Start accepts. Automaton has 8862 states and 12560 transitions. Word has length 525 [2022-12-14 12:57:30,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:30,542 INFO L495 AbstractCegarLoop]: Abstraction has 8862 states and 12560 transitions. [2022-12-14 12:57:30,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-12-14 12:57:30,543 INFO L276 IsEmpty]: Start isEmpty. Operand 8862 states and 12560 transitions. [2022-12-14 12:57:30,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2022-12-14 12:57:30,549 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:30,550 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:30,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:57:30,550 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 12:57:30,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:30,551 INFO L85 PathProgramCache]: Analyzing trace with hash 557526507, now seen corresponding path program 1 times [2022-12-14 12:57:30,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:30,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228038714] [2022-12-14 12:57:30,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:30,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2022-12-14 12:57:31,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:31,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228038714] [2022-12-14 12:57:31,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228038714] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:31,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:31,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:57:31,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837054268] [2022-12-14 12:57:31,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:31,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:57:31,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:31,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:57:31,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:57:31,264 INFO L87 Difference]: Start difference. First operand 8862 states and 12560 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, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-12-14 12:57:34,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:34,953 INFO L93 Difference]: Finished difference Result 23160 states and 32885 transitions. [2022-12-14 12:57:34,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:57:34,954 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, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 531 [2022-12-14 12:57:34,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:35,008 INFO L225 Difference]: With dead ends: 23160 [2022-12-14 12:57:35,009 INFO L226 Difference]: Without dead ends: 14397 [2022-12-14 12:57:35,033 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 12:57:35,034 INFO L413 NwaCegarLoop]: 3894 mSDtfsCounter, 2816 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2816 SdHoareTripleChecker+Valid, 6605 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:35,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2816 Valid, 6605 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 12:57:35,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14397 states. [2022-12-14 12:57:35,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14397 to 14372. [2022-12-14 12:57:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14372 states, 8737 states have (on average 1.2854526725420625) internal successors, (11231), 8867 states have internal predecessors, (11231), 4572 states have call successors, (4572), 1065 states have call predecessors, (4572), 1060 states have return successors, (4568), 4520 states have call predecessors, (4568), 4568 states have call successors, (4568) [2022-12-14 12:57:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14372 states to 14372 states and 20371 transitions. [2022-12-14 12:57:35,475 INFO L78 Accepts]: Start accepts. Automaton has 14372 states and 20371 transitions. Word has length 531 [2022-12-14 12:57:35,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:35,476 INFO L495 AbstractCegarLoop]: Abstraction has 14372 states and 20371 transitions. [2022-12-14 12:57:35,477 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, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-12-14 12:57:35,477 INFO L276 IsEmpty]: Start isEmpty. Operand 14372 states and 20371 transitions. [2022-12-14 12:57:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2022-12-14 12:57:35,481 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:35,481 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 5, 5, 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 12:57:35,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:57:35,481 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 12:57:35,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:35,482 INFO L85 PathProgramCache]: Analyzing trace with hash -905106355, now seen corresponding path program 1 times [2022-12-14 12:57:35,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:35,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947799914] [2022-12-14 12:57:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:35,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:36,926 INFO L134 CoverageAnalysis]: Checked inductivity of 9846 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9846 trivial. 0 not checked. [2022-12-14 12:57:36,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:36,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947799914] [2022-12-14 12:57:36,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947799914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:36,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:36,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:57:36,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797256155] [2022-12-14 12:57:36,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:36,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:57:36,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:36,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:57:36,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:57:36,928 INFO L87 Difference]: Start difference. First operand 14372 states and 20371 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, (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 12:57:39,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:57:43,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:57:45,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:45,723 INFO L93 Difference]: Finished difference Result 28624 states and 40554 transitions. [2022-12-14 12:57:45,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:57:45,724 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, (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 560 [2022-12-14 12:57:45,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:45,808 INFO L225 Difference]: With dead ends: 28624 [2022-12-14 12:57:45,808 INFO L226 Difference]: Without dead ends: 28622 [2022-12-14 12:57:45,816 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 12:57:45,817 INFO L413 NwaCegarLoop]: 3443 mSDtfsCounter, 3082 mSDsluCounter, 9482 mSDsCounter, 0 mSdLazyCounter, 1863 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3087 SdHoareTripleChecker+Valid, 12925 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1863 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:45,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3087 Valid, 12925 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1863 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-12-14 12:57:45,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28622 states. [2022-12-14 12:57:46,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28622 to 28607. [2022-12-14 12:57:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28607 states, 17406 states have (on average 1.2865678501666091) internal successors, (22394), 17673 states have internal predecessors, (22394), 9077 states have call successors, (9077), 2131 states have call predecessors, (9077), 2121 states have return successors, (9069), 8964 states have call predecessors, (9069), 9069 states have call successors, (9069) [2022-12-14 12:57:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28607 states to 28607 states and 40540 transitions. [2022-12-14 12:57:46,671 INFO L78 Accepts]: Start accepts. Automaton has 28607 states and 40540 transitions. Word has length 560 [2022-12-14 12:57:46,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:46,672 INFO L495 AbstractCegarLoop]: Abstraction has 28607 states and 40540 transitions. [2022-12-14 12:57:46,672 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, (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 12:57:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 28607 states and 40540 transitions. [2022-12-14 12:57:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2022-12-14 12:57:46,678 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:46,678 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:57:46,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:57:46,678 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 12:57:46,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:46,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1208197239, now seen corresponding path program 1 times [2022-12-14 12:57:46,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:46,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187434091] [2022-12-14 12:57:46,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:46,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 9848 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9846 trivial. 0 not checked. [2022-12-14 12:57:47,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:47,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187434091] [2022-12-14 12:57:47,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187434091] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:47,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:47,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:57:47,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381868029] [2022-12-14 12:57:47,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:47,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:57:47,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:47,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:57:47,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:57:47,941 INFO L87 Difference]: Start difference. First operand 28607 states and 40540 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 12:57:51,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:51,156 INFO L93 Difference]: Finished difference Result 28617 states and 40549 transitions. [2022-12-14 12:57:51,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:57:51,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 565 [2022-12-14 12:57:51,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:51,249 INFO L225 Difference]: With dead ends: 28617 [2022-12-14 12:57:51,250 INFO L226 Difference]: Without dead ends: 28615 [2022-12-14 12:57:51,264 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 12:57:51,265 INFO L413 NwaCegarLoop]: 2749 mSDtfsCounter, 3082 mSDsluCounter, 5485 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 8234 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:51,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 8234 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 12:57:51,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28615 states. [2022-12-14 12:57:52,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28615 to 28615. [2022-12-14 12:57:52,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28615 states, 17412 states have (on average 1.286469101768895) internal successors, (22400), 17679 states have internal predecessors, (22400), 9077 states have call successors, (9077), 2133 states have call predecessors, (9077), 2123 states have return successors, (9069), 8964 states have call predecessors, (9069), 9069 states have call successors, (9069) [2022-12-14 12:57:52,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28615 states to 28615 states and 40546 transitions. [2022-12-14 12:57:52,269 INFO L78 Accepts]: Start accepts. Automaton has 28615 states and 40546 transitions. Word has length 565 [2022-12-14 12:57:52,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:52,269 INFO L495 AbstractCegarLoop]: Abstraction has 28615 states and 40546 transitions. [2022-12-14 12:57:52,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (63), 3 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 12:57:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 28615 states and 40546 transitions. [2022-12-14 12:57:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2022-12-14 12:57:52,275 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:52,275 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 5, 5, 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] [2022-12-14 12:57:52,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 12:57:52,276 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 12:57:52,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:52,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1304317517, now seen corresponding path program 1 times [2022-12-14 12:57:52,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:52,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163942329] [2022-12-14 12:57:52,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:52,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 9854 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9850 trivial. 0 not checked. [2022-12-14 12:57:53,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:53,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163942329] [2022-12-14 12:57:53,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163942329] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:53,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:53,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:57:53,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626798527] [2022-12-14 12:57:53,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:53,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:57:53,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:53,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:57:53,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:57:53,513 INFO L87 Difference]: Start difference. First operand 28615 states and 40546 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-12-14 12:57:55,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:57:59,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:59,543 INFO L93 Difference]: Finished difference Result 37749 states and 52697 transitions. [2022-12-14 12:57:59,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:57:59,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 570 [2022-12-14 12:57:59,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:59,654 INFO L225 Difference]: With dead ends: 37749 [2022-12-14 12:57:59,654 INFO L226 Difference]: Without dead ends: 37747 [2022-12-14 12:57:59,668 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 12:57:59,668 INFO L413 NwaCegarLoop]: 3073 mSDtfsCounter, 2758 mSDsluCounter, 7253 mSDsCounter, 0 mSdLazyCounter, 1612 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 10326 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:59,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2761 Valid, 10326 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1612 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 12:57:59,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37747 states. [2022-12-14 12:58:00,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37747 to 37665. [2022-12-14 12:58:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37665 states, 22806 states have (on average 1.2737875997544506) internal successors, (29050), 23201 states have internal predecessors, (29050), 11729 states have call successors, (11729), 3189 states have call predecessors, (11729), 3127 states have return successors, (11821), 11436 states have call predecessors, (11821), 11721 states have call successors, (11821) [2022-12-14 12:58:00,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37665 states to 37665 states and 52600 transitions. [2022-12-14 12:58:00,969 INFO L78 Accepts]: Start accepts. Automaton has 37665 states and 52600 transitions. Word has length 570 [2022-12-14 12:58:00,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:58:00,969 INFO L495 AbstractCegarLoop]: Abstraction has 37665 states and 52600 transitions. [2022-12-14 12:58:00,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-12-14 12:58:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 37665 states and 52600 transitions. [2022-12-14 12:58:00,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2022-12-14 12:58:00,976 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:58:00,976 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 5, 5, 4, 3, 3, 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] [2022-12-14 12:58:00,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 12:58:00,977 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 12:58:00,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:58:00,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1449310217, now seen corresponding path program 1 times [2022-12-14 12:58:00,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:58:00,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021359312] [2022-12-14 12:58:00,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:58:00,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:58:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:58:02,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9865 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9859 trivial. 0 not checked. [2022-12-14 12:58:02,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:58:02,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021359312] [2022-12-14 12:58:02,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021359312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:58:02,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:58:02,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:58:02,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807858641] [2022-12-14 12:58:02,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:58:02,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:58:02,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:58:02,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:58:02,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:58:02,230 INFO L87 Difference]: Start difference. First operand 37665 states and 52600 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-12-14 12:58:04,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:58:06,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:58:07,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:58:10,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:58:12,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:58:12,679 INFO L93 Difference]: Finished difference Result 37686 states and 52617 transitions. [2022-12-14 12:58:12,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:58:12,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 576 [2022-12-14 12:58:12,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:58:12,774 INFO L225 Difference]: With dead ends: 37686 [2022-12-14 12:58:12,775 INFO L226 Difference]: Without dead ends: 37684 [2022-12-14 12:58:12,787 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 12:58:12,788 INFO L413 NwaCegarLoop]: 3446 mSDtfsCounter, 3077 mSDsluCounter, 9482 mSDsCounter, 0 mSdLazyCounter, 1864 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3079 SdHoareTripleChecker+Valid, 12928 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1864 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:58:12,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3079 Valid, 12928 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1864 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-12-14 12:58:12,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37684 states. [2022-12-14 12:58:13,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37684 to 37669. [2022-12-14 12:58:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37669 states, 22809 states have (on average 1.2737515892849314) internal successors, (29053), 23204 states have internal predecessors, (29053), 11729 states have call successors, (11729), 3190 states have call predecessors, (11729), 3128 states have return successors, (11821), 11436 states have call predecessors, (11821), 11721 states have call successors, (11821) [2022-12-14 12:58:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37669 states to 37669 states and 52603 transitions. [2022-12-14 12:58:14,126 INFO L78 Accepts]: Start accepts. Automaton has 37669 states and 52603 transitions. Word has length 576 [2022-12-14 12:58:14,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:58:14,127 INFO L495 AbstractCegarLoop]: Abstraction has 37669 states and 52603 transitions. [2022-12-14 12:58:14,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-12-14 12:58:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 37669 states and 52603 transitions. [2022-12-14 12:58:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2022-12-14 12:58:14,135 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:58:14,136 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:58:14,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 12:58:14,136 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 12:58:14,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:58:14,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1094483909, now seen corresponding path program 1 times [2022-12-14 12:58:14,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:58:14,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696492710] [2022-12-14 12:58:14,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:58:14,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:58:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:58:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 9875 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9867 trivial. 0 not checked. [2022-12-14 12:58:15,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:58:15,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696492710] [2022-12-14 12:58:15,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696492710] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:58:15,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:58:15,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:58:15,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591838258] [2022-12-14 12:58:15,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:58:15,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:58:15,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:58:15,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:58:15,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:58:15,576 INFO L87 Difference]: Start difference. First operand 37669 states and 52603 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-12-14 12:58:19,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:58:21,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:58:21,245 INFO L93 Difference]: Finished difference Result 37679 states and 52612 transitions. [2022-12-14 12:58:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:58:21,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 581 [2022-12-14 12:58:21,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:58:21,350 INFO L225 Difference]: With dead ends: 37679 [2022-12-14 12:58:21,350 INFO L226 Difference]: Without dead ends: 37675 [2022-12-14 12:58:21,368 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 12:58:21,369 INFO L413 NwaCegarLoop]: 2749 mSDtfsCounter, 3083 mSDsluCounter, 5485 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3084 SdHoareTripleChecker+Valid, 8234 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:58:21,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3084 Valid, 8234 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 12:58:21,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37675 states. [2022-12-14 12:58:22,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37675 to 37675. [2022-12-14 12:58:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37675 states, 22814 states have (on average 1.273647760147278) internal successors, (29057), 23208 states have internal predecessors, (29057), 11729 states have call successors, (11729), 3192 states have call predecessors, (11729), 3129 states have return successors, (11821), 11436 states have call predecessors, (11821), 11721 states have call successors, (11821) [2022-12-14 12:58:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37675 states to 37675 states and 52607 transitions. [2022-12-14 12:58:22,815 INFO L78 Accepts]: Start accepts. Automaton has 37675 states and 52607 transitions. Word has length 581 [2022-12-14 12:58:22,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:58:22,816 INFO L495 AbstractCegarLoop]: Abstraction has 37675 states and 52607 transitions. [2022-12-14 12:58:22,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-12-14 12:58:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 37675 states and 52607 transitions. [2022-12-14 12:58:22,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2022-12-14 12:58:22,824 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:58:22,824 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 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] [2022-12-14 12:58:22,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 12:58:22,824 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 12:58:22,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:58:22,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1297423682, now seen corresponding path program 1 times [2022-12-14 12:58:22,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:58:22,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522756024] [2022-12-14 12:58:22,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:58:22,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:58:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:58:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 9833 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9830 trivial. 0 not checked. [2022-12-14 12:58:23,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:58:23,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522756024] [2022-12-14 12:58:23,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522756024] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:58:23,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:58:23,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:58:23,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2903853] [2022-12-14 12:58:23,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:58:23,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:58:23,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:58:23,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:58:23,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:58:23,369 INFO L87 Difference]: Start difference. First operand 37675 states and 52607 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-12-14 12:58:26,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:58:30,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:58:30,827 INFO L93 Difference]: Finished difference Result 90425 states and 126353 transitions. [2022-12-14 12:58:30,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:58:30,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 582 [2022-12-14 12:58:30,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:58:30,979 INFO L225 Difference]: With dead ends: 90425 [2022-12-14 12:58:30,980 INFO L226 Difference]: Without dead ends: 54103 [2022-12-14 12:58:31,063 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 12:58:31,063 INFO L413 NwaCegarLoop]: 4040 mSDtfsCounter, 2805 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2805 SdHoareTripleChecker+Valid, 6749 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:58:31,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2805 Valid, 6749 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1115 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 12:58:31,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54103 states. [2022-12-14 12:58:33,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54103 to 54025. [2022-12-14 12:58:33,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54025 states, 32768 states have (on average 1.275299072265625) internal successors, (41789), 33344 states have internal predecessors, (41789), 16759 states have call successors, (16759), 4590 states have call predecessors, (16759), 4495 states have return successors, (16899), 16316 states have call predecessors, (16899), 16751 states have call successors, (16899) [2022-12-14 12:58:33,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54025 states to 54025 states and 75447 transitions. [2022-12-14 12:58:33,448 INFO L78 Accepts]: Start accepts. Automaton has 54025 states and 75447 transitions. Word has length 582 [2022-12-14 12:58:33,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:58:33,449 INFO L495 AbstractCegarLoop]: Abstraction has 54025 states and 75447 transitions. [2022-12-14 12:58:33,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-12-14 12:58:33,449 INFO L276 IsEmpty]: Start isEmpty. Operand 54025 states and 75447 transitions. [2022-12-14 12:58:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2022-12-14 12:58:33,457 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:58:33,457 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:33,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 12:58:33,458 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 12:58:33,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:58:33,458 INFO L85 PathProgramCache]: Analyzing trace with hash -327162103, now seen corresponding path program 1 times [2022-12-14 12:58:33,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:58:33,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70742066] [2022-12-14 12:58:33,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:58:33,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:58:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:58:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 9897 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9887 trivial. 0 not checked. [2022-12-14 12:58:34,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:58:34,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70742066] [2022-12-14 12:58:34,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70742066] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:58:34,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:58:34,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:58:34,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300836809] [2022-12-14 12:58:34,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:58:34,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:58:34,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:58:34,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:58:34,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:58:34,840 INFO L87 Difference]: Start difference. First operand 54025 states and 75447 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 12:58:37,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:58:42,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:58:42,919 INFO L93 Difference]: Finished difference Result 55257 states and 76641 transitions. [2022-12-14 12:58:42,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:58:42,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 586 [2022-12-14 12:58:42,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:58:43,075 INFO L225 Difference]: With dead ends: 55257 [2022-12-14 12:58:43,075 INFO L226 Difference]: Without dead ends: 55122 [2022-12-14 12:58:43,097 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 12:58:43,098 INFO L413 NwaCegarLoop]: 2759 mSDtfsCounter, 3056 mSDsluCounter, 5557 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 8316 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:58:43,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3056 Valid, 8316 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1415 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 12:58:43,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55122 states. [2022-12-14 12:58:45,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55122 to 54922. [2022-12-14 12:58:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54922 states, 33290 states have (on average 1.271522979873836) internal successors, (42329), 33831 states have internal predecessors, (42329), 16838 states have call successors, (16838), 4858 states have call predecessors, (16838), 4791 states have return successors, (16982), 16458 states have call predecessors, (16982), 16834 states have call successors, (16982) [2022-12-14 12:58:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54922 states to 54922 states and 76149 transitions. [2022-12-14 12:58:45,705 INFO L78 Accepts]: Start accepts. Automaton has 54922 states and 76149 transitions. Word has length 586 [2022-12-14 12:58:45,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:58:45,706 INFO L495 AbstractCegarLoop]: Abstraction has 54922 states and 76149 transitions. [2022-12-14 12:58:45,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 12:58:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 54922 states and 76149 transitions. [2022-12-14 12:58:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2022-12-14 12:58:45,715 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:58:45,716 INFO L195 NwaCegarLoop]: trace histogram [54, 49, 49, 49, 49, 49, 49, 4, 4, 3, 3, 3, 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] [2022-12-14 12:58:45,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 12:58:45,716 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 12:58:45,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:58:45,716 INFO L85 PathProgramCache]: Analyzing trace with hash 283207143, now seen corresponding path program 1 times [2022-12-14 12:58:45,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:58:45,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483971699] [2022-12-14 12:58:45,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:58:45,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:58:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:58:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 9943 trivial. 0 not checked. [2022-12-14 12:58:46,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:58:46,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483971699] [2022-12-14 12:58:46,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483971699] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:58:46,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882173512] [2022-12-14 12:58:46,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:58:46,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:58:46,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:58:46,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:58:46,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:58:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:58:47,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 9006 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:58:47,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:58:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 9841 trivial. 0 not checked. [2022-12-14 12:58:47,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:58:47,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882173512] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:58:47,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:58:47,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 12:58:47,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358742107] [2022-12-14 12:58:47,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:58:47,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:58:47,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:58:47,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:58:47,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:58:47,777 INFO L87 Difference]: Start difference. First operand 54922 states and 76149 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-12-14 12:58:52,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:58:56,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:58:56,023 INFO L93 Difference]: Finished difference Result 131488 states and 182337 transitions. [2022-12-14 12:58:56,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:58:56,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 591 [2022-12-14 12:58:56,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:58:56,254 INFO L225 Difference]: With dead ends: 131488 [2022-12-14 12:58:56,254 INFO L226 Difference]: Without dead ends: 77919 [2022-12-14 12:58:56,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:58:56,381 INFO L413 NwaCegarLoop]: 3423 mSDtfsCounter, 2944 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2944 SdHoareTripleChecker+Valid, 5988 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:58:56,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2944 Valid, 5988 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1004 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-12-14 12:58:56,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77919 states. [2022-12-14 12:58:59,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77919 to 77786. [2022-12-14 12:58:59,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77786 states, 47270 states have (on average 1.2749100909667865) internal successors, (60265), 48041 states have internal predecessors, (60265), 23684 states have call successors, (23684), 6922 states have call predecessors, (23684), 6829 states have return successors, (23880), 23152 states have call predecessors, (23880), 23680 states have call successors, (23880) [2022-12-14 12:58:59,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77786 states to 77786 states and 107829 transitions. [2022-12-14 12:58:59,765 INFO L78 Accepts]: Start accepts. Automaton has 77786 states and 107829 transitions. Word has length 591 [2022-12-14 12:58:59,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:58:59,765 INFO L495 AbstractCegarLoop]: Abstraction has 77786 states and 107829 transitions. [2022-12-14 12:58:59,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-12-14 12:58:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 77786 states and 107829 transitions. [2022-12-14 12:58:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2022-12-14 12:58:59,775 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:58:59,775 INFO L195 NwaCegarLoop]: trace histogram [54, 49, 49, 49, 49, 49, 49, 4, 4, 3, 3, 3, 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] [2022-12-14 12:58:59,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:58:59,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 12:58:59,978 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 12:58:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:58:59,979 INFO L85 PathProgramCache]: Analyzing trace with hash -983129030, now seen corresponding path program 1 times [2022-12-14 12:58:59,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:58:59,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302273340] [2022-12-14 12:58:59,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:58:59,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:59:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:59:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 9943 trivial. 0 not checked. [2022-12-14 12:59:00,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:59:00,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302273340] [2022-12-14 12:59:00,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302273340] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:59:00,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391619242] [2022-12-14 12:59:00,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:59:00,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:59:00,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:59:00,553 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:59:00,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:59:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:59:01,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 9005 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:59:01,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:59:02,014 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 9841 trivial. 0 not checked. [2022-12-14 12:59:02,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:59:02,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391619242] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:59:02,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:59:02,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 12:59:02,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446047701] [2022-12-14 12:59:02,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:59:02,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:59:02,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:59:02,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:59:02,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:59:02,016 INFO L87 Difference]: Start difference. First operand 77786 states and 107829 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-12-14 12:59:10,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:59:10,378 INFO L93 Difference]: Finished difference Result 191959 states and 265826 transitions. [2022-12-14 12:59:10,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:59:10,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 590 [2022-12-14 12:59:10,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:59:10,749 INFO L225 Difference]: With dead ends: 191959 [2022-12-14 12:59:10,749 INFO L226 Difference]: Without dead ends: 115526 [2022-12-14 12:59:10,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:59:10,930 INFO L413 NwaCegarLoop]: 3653 mSDtfsCounter, 2942 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2942 SdHoareTripleChecker+Valid, 6214 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:59:10,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2942 Valid, 6214 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-14 12:59:11,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115526 states. [2022-12-14 12:59:15,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115526 to 115489. [2022-12-14 12:59:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115489 states, 70460 states have (on average 1.2772636957138803) internal successors, (89996), 71610 states have internal predecessors, (89996), 34698 states have call successors, (34698), 10465 states have call predecessors, (34698), 10328 states have return successors, (35022), 33893 states have call predecessors, (35022), 34694 states have call successors, (35022) [2022-12-14 12:59:16,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115489 states to 115489 states and 159716 transitions. [2022-12-14 12:59:16,356 INFO L78 Accepts]: Start accepts. Automaton has 115489 states and 159716 transitions. Word has length 590 [2022-12-14 12:59:16,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:59:16,357 INFO L495 AbstractCegarLoop]: Abstraction has 115489 states and 159716 transitions. [2022-12-14 12:59:16,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-12-14 12:59:16,357 INFO L276 IsEmpty]: Start isEmpty. Operand 115489 states and 159716 transitions. [2022-12-14 12:59:16,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2022-12-14 12:59:16,372 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:59:16,372 INFO L195 NwaCegarLoop]: trace histogram [55, 50, 50, 50, 50, 50, 50, 4, 4, 3, 3, 3, 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] [2022-12-14 12:59:16,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 12:59:16,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 12:59:16,574 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 12:59:16,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:59:16,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2144125598, now seen corresponding path program 1 times [2022-12-14 12:59:16,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:59:16,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124064886] [2022-12-14 12:59:16,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:59:16,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:59:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:59:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 10356 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10349 trivial. 0 not checked. [2022-12-14 12:59:16,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:59:16,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124064886] [2022-12-14 12:59:16,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124064886] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:59:16,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:59:16,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:59:16,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739677138] [2022-12-14 12:59:16,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:59:16,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:59:16,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:59:16,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:59:16,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:59:16,999 INFO L87 Difference]: Start difference. First operand 115489 states and 159716 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, (65), 2 states have call predecessors, (65), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-14 12:59:19,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:59:27,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:59:27,625 INFO L93 Difference]: Finished difference Result 242548 states and 333453 transitions. [2022-12-14 12:59:27,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:59:27,625 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, (65), 2 states have call predecessors, (65), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 608 [2022-12-14 12:59:27,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:59:28,012 INFO L225 Difference]: With dead ends: 242548 [2022-12-14 12:59:28,012 INFO L226 Difference]: Without dead ends: 128412 [2022-12-14 12:59:28,238 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 12:59:28,239 INFO L413 NwaCegarLoop]: 4186 mSDtfsCounter, 2792 mSDsluCounter, 2645 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2792 SdHoareTripleChecker+Valid, 6831 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:59:28,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2792 Valid, 6831 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 12:59:28,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128412 states. [2022-12-14 12:59:34,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128412 to 128343. [2022-12-14 12:59:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128343 states, 77952 states have (on average 1.2657532840722496) internal successors, (98668), 79160 states have internal predecessors, (98668), 38238 states have call successors, (38238), 12299 states have call predecessors, (38238), 12150 states have return successors, (38634), 37377 states have call predecessors, (38634), 38234 states have call successors, (38634) [2022-12-14 12:59:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128343 states to 128343 states and 175540 transitions. [2022-12-14 12:59:34,891 INFO L78 Accepts]: Start accepts. Automaton has 128343 states and 175540 transitions. Word has length 608 [2022-12-14 12:59:34,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:59:34,892 INFO L495 AbstractCegarLoop]: Abstraction has 128343 states and 175540 transitions. [2022-12-14 12:59:34,892 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, (65), 2 states have call predecessors, (65), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-12-14 12:59:34,892 INFO L276 IsEmpty]: Start isEmpty. Operand 128343 states and 175540 transitions. [2022-12-14 12:59:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-12-14 12:59:34,904 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:59:34,905 INFO L195 NwaCegarLoop]: trace histogram [54, 49, 49, 49, 49, 49, 49, 9, 9, 3, 3, 3, 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] [2022-12-14 12:59:34,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 12:59:34,905 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 12:59:34,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:59:34,905 INFO L85 PathProgramCache]: Analyzing trace with hash -266283877, now seen corresponding path program 1 times [2022-12-14 12:59:34,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:59:34,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047402644] [2022-12-14 12:59:34,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:59:34,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:59:35,036 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:59:35,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1970368192] [2022-12-14 12:59:35,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:59:35,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:59:35,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:59:35,038 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:59:35,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:59:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:59:36,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 9220 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:59:36,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:59:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10048 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 9488 trivial. 0 not checked. [2022-12-14 12:59:36,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:59:36,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:59:36,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047402644] [2022-12-14 12:59:36,932 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:59:36,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970368192] [2022-12-14 12:59:36,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970368192] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:59:36,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:59:36,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:59:36,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915645122] [2022-12-14 12:59:36,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:59:36,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:59:36,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:59:36,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:59:36,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:59:36,934 INFO L87 Difference]: Start difference. First operand 128343 states and 175540 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, (70), 3 states have call predecessors, (70), 3 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) [2022-12-14 12:59:41,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 12:59:52,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:59:52,335 INFO L93 Difference]: Finished difference Result 380535 states and 519724 transitions. [2022-12-14 12:59:52,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:59:52,336 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, (70), 3 states have call predecessors, (70), 3 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) Word has length 621 [2022-12-14 12:59:52,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:59:53,356 INFO L225 Difference]: With dead ends: 380535 [2022-12-14 12:59:53,356 INFO L226 Difference]: Without dead ends: 252291 [2022-12-14 12:59:53,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 619 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 12:59:53,757 INFO L413 NwaCegarLoop]: 3429 mSDtfsCounter, 3093 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3093 SdHoareTripleChecker+Valid, 5956 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:59:53,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3093 Valid, 5956 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 936 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 12:59:53,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252291 states. [2022-12-14 13:00:05,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252291 to 252158. [2022-12-14 13:00:05,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252158 states, 153110 states have (on average 1.2640128012540004) internal successors, (193533), 155595 states have internal predecessors, (193533), 74852 states have call successors, (74852), 24490 states have call predecessors, (74852), 24193 states have return successors, (75648), 73060 states have call predecessors, (75648), 74848 states have call successors, (75648) [2022-12-14 13:00:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252158 states to 252158 states and 344033 transitions. [2022-12-14 13:00:07,249 INFO L78 Accepts]: Start accepts. Automaton has 252158 states and 344033 transitions. Word has length 621 [2022-12-14 13:00:07,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:00:07,250 INFO L495 AbstractCegarLoop]: Abstraction has 252158 states and 344033 transitions. [2022-12-14 13:00:07,250 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, (70), 3 states have call predecessors, (70), 3 states have return successors, (68), 3 states have call predecessors, (68), 3 states have call successors, (68) [2022-12-14 13:00:07,250 INFO L276 IsEmpty]: Start isEmpty. Operand 252158 states and 344033 transitions. [2022-12-14 13:00:07,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-12-14 13:00:07,279 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:00:07,279 INFO L195 NwaCegarLoop]: trace histogram [54, 49, 49, 49, 49, 49, 49, 4, 4, 3, 3, 3, 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] [2022-12-14 13:00:07,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 13:00:07,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:00:07,481 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 13:00:07,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:00:07,482 INFO L85 PathProgramCache]: Analyzing trace with hash 13471227, now seen corresponding path program 1 times [2022-12-14 13:00:07,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:00:07,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563643086] [2022-12-14 13:00:07,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:00:07,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:00:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:00:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 9954 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9947 trivial. 0 not checked. [2022-12-14 13:00:08,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:00:08,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563643086] [2022-12-14 13:00:08,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563643086] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:00:08,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:00:08,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:00:08,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759366980] [2022-12-14 13:00:08,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:00:08,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:00:08,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:00:08,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:00:08,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:00:08,119 INFO L87 Difference]: Start difference. First operand 252158 states and 344033 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 13:00:10,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:00:13,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:00:19,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:00:29,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:00:29,354 INFO L93 Difference]: Finished difference Result 534853 states and 728715 transitions. [2022-12-14 13:00:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:00:29,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 610 [2022-12-14 13:00:29,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:00:30,364 INFO L225 Difference]: With dead ends: 534853 [2022-12-14 13:00:30,364 INFO L226 Difference]: Without dead ends: 285136 [2022-12-14 13:00:31,093 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 13:00:31,094 INFO L413 NwaCegarLoop]: 4957 mSDtfsCounter, 2782 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 1322 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2782 SdHoareTripleChecker+Valid, 7600 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1322 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-12-14 13:00:31,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2782 Valid, 7600 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1322 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-12-14 13:00:31,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285136 states. [2022-12-14 13:00:43,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285136 to 284761. [2022-12-14 13:00:43,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284761 states, 172354 states have (on average 1.2591932882323589) internal successors, (217027), 175180 states have internal predecessors, (217027), 84845 states have call successors, (84845), 27894 states have call predecessors, (84845), 27559 states have return successors, (85697), 82832 states have call predecessors, (85697), 84841 states have call successors, (85697) [2022-12-14 13:00:44,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284761 states to 284761 states and 387569 transitions. [2022-12-14 13:00:44,873 INFO L78 Accepts]: Start accepts. Automaton has 284761 states and 387569 transitions. Word has length 610 [2022-12-14 13:00:44,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:00:44,874 INFO L495 AbstractCegarLoop]: Abstraction has 284761 states and 387569 transitions. [2022-12-14 13:00:44,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 13:00:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 284761 states and 387569 transitions. [2022-12-14 13:00:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2022-12-14 13:00:44,894 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:00:44,894 INFO L195 NwaCegarLoop]: trace histogram [55, 49, 49, 49, 49, 49, 49, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:00:44,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 13:00:44,894 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 13:00:44,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:00:44,895 INFO L85 PathProgramCache]: Analyzing trace with hash -557467992, now seen corresponding path program 1 times [2022-12-14 13:00:44,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:00:44,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668159019] [2022-12-14 13:00:44,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:00:44,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:00:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:00:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 10136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10136 trivial. 0 not checked. [2022-12-14 13:00:47,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:00:47,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668159019] [2022-12-14 13:00:47,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668159019] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:00:47,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:00:47,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 13:00:47,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753153132] [2022-12-14 13:00:47,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:00:47,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 13:00:47,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:00:47,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 13:00:47,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 13:00:47,033 INFO L87 Difference]: Start difference. First operand 284761 states and 387569 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-12-14 13:00:49,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:00:53,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:00:56,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 13:01:12,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:01:12,196 INFO L93 Difference]: Finished difference Result 379891 states and 519936 transitions. [2022-12-14 13:01:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 13:01:12,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 643 [2022-12-14 13:01:12,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:01:13,464 INFO L225 Difference]: With dead ends: 379891 [2022-12-14 13:01:13,464 INFO L226 Difference]: Without dead ends: 379889 [2022-12-14 13:01:13,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 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 13:01:13,595 INFO L413 NwaCegarLoop]: 3950 mSDtfsCounter, 2743 mSDsluCounter, 10477 mSDsCounter, 0 mSdLazyCounter, 2332 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2745 SdHoareTripleChecker+Valid, 14427 SdHoareTripleChecker+Invalid, 2335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2332 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-12-14 13:01:13,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2745 Valid, 14427 Invalid, 2335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2332 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2022-12-14 13:01:13,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379889 states. [2022-12-14 13:01:30,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379889 to 378127. [2022-12-14 13:01:30,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378127 states, 229102 states have (on average 1.2649256662971078) internal successors, (289797), 233456 states have internal predecessors, (289797), 113059 states have call successors, (113059), 36616 states have call predecessors, (113059), 35963 states have return successors, (114811), 109608 states have call predecessors, (114811), 113055 states have call successors, (114811) [2022-12-14 13:01:32,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378127 states to 378127 states and 517667 transitions. [2022-12-14 13:01:32,060 INFO L78 Accepts]: Start accepts. Automaton has 378127 states and 517667 transitions. Word has length 643 [2022-12-14 13:01:32,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:01:32,061 INFO L495 AbstractCegarLoop]: Abstraction has 378127 states and 517667 transitions. [2022-12-14 13:01:32,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (71), 3 states have call predecessors, (71), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-12-14 13:01:32,061 INFO L276 IsEmpty]: Start isEmpty. Operand 378127 states and 517667 transitions. [2022-12-14 13:01:32,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2022-12-14 13:01:32,079 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:01:32,079 INFO L195 NwaCegarLoop]: trace histogram [56, 49, 49, 49, 49, 49, 49, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:01:32,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 13:01:32,080 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 13:01:32,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:01:32,080 INFO L85 PathProgramCache]: Analyzing trace with hash 392965740, now seen corresponding path program 1 times [2022-12-14 13:01:32,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:01:32,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704169083] [2022-12-14 13:01:32,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:01:32,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:01:32,409 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 13:01:32,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [347500955] [2022-12-14 13:01:32,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:01:32,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:01:32,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:01:32,411 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:01:32,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 13:01:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:01:33,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 9283 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 13:01:33,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:01:33,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10282 backedges. 784 proven. 0 refuted. 0 times theorem prover too weak. 9498 trivial. 0 not checked. [2022-12-14 13:01:33,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:01:33,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:01:33,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704169083] [2022-12-14 13:01:33,878 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 13:01:33,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347500955] [2022-12-14 13:01:33,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347500955] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:01:33,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:01:33,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:01:33,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418594050] [2022-12-14 13:01:33,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:01:33,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:01:33,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:01:33,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:01:33,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:01:33,879 INFO L87 Difference]: Start difference. First operand 378127 states and 517667 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2022-12-14 13:02:03,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:02:03,603 INFO L93 Difference]: Finished difference Result 945745 states and 1291889 transitions. [2022-12-14 13:02:03,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:02:03,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) Word has length 643 [2022-12-14 13:02:03,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:02:05,965 INFO L225 Difference]: With dead ends: 945745 [2022-12-14 13:02:05,965 INFO L226 Difference]: Without dead ends: 567717 [2022-12-14 13:02:06,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 641 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 13:02:06,917 INFO L413 NwaCegarLoop]: 3923 mSDtfsCounter, 2936 mSDsluCounter, 2683 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2936 SdHoareTripleChecker+Valid, 6606 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 13:02:06,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2936 Valid, 6606 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 13:02:07,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567717 states. [2022-12-14 13:02:32,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567717 to 567494. [2022-12-14 13:02:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567494 states, 343043 states have (on average 1.260567917141583) internal successors, (432429), 349605 states have internal predecessors, (432429), 169345 states have call successors, (169345), 56082 states have call predecessors, (169345), 55103 states have return successors, (171975), 164112 states have call predecessors, (171975), 169341 states have call successors, (171975) [2022-12-14 13:02:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567494 states to 567494 states and 773749 transitions. [2022-12-14 13:02:35,725 INFO L78 Accepts]: Start accepts. Automaton has 567494 states and 773749 transitions. Word has length 643 [2022-12-14 13:02:35,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:02:35,726 INFO L495 AbstractCegarLoop]: Abstraction has 567494 states and 773749 transitions. [2022-12-14 13:02:35,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2022-12-14 13:02:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 567494 states and 773749 transitions. [2022-12-14 13:02:35,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2022-12-14 13:02:35,758 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:02:35,759 INFO L195 NwaCegarLoop]: trace histogram [55, 49, 49, 49, 49, 49, 49, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:02:35,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 13:02:35,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a104b74-5917-42e4-af01-45f121284535/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-14 13:02:35,961 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 13:02:35,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:02:35,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1730098925, now seen corresponding path program 1 times [2022-12-14 13:02:35,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:02:35,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613455556] [2022-12-14 13:02:35,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:02:35,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:02:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:02:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10136 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10122 trivial. 0 not checked. [2022-12-14 13:02:37,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:02:37,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613455556] [2022-12-14 13:02:37,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613455556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:02:37,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:02:37,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:02:37,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71050195] [2022-12-14 13:02:37,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:02:37,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:02:37,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:02:37,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:02:37,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:02:37,083 INFO L87 Difference]: Start difference. First operand 567494 states and 773749 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69)