./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/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_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 00:55:46,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:55:46,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:55:47,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:55:47,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:55:47,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:55:47,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:55:47,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:55:47,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:55:47,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:55:47,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:55:47,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:55:47,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:55:47,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:55:47,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:55:47,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:55:47,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:55:47,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:55:47,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:55:47,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:55:47,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:55:47,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:55:47,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:55:47,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:55:47,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:55:47,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:55:47,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:55:47,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:55:47,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:55:47,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:55:47,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:55:47,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:55:47,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:55:47,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:55:47,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:55:47,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:55:47,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:55:47,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:55:47,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:55:47,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:55:47,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:55:47,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:55:47,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:55:47,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:55:47,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:55:47,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:55:47,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:55:47,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:55:47,146 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:55:47,146 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:55:47,146 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:55:47,146 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:55:47,147 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:55:47,147 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:55:47,148 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:55:47,148 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:55:47,148 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:55:47,148 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:55:47,148 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:55:47,149 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:55:47,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:55:47,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:55:47,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:55:47,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:55:47,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:55:47,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:55:47,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:55:47,151 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:55:47,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:55:47,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:55:47,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:55:47,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:47,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:55:47,152 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:55:47,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:55:47,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:55:47,153 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:55:47,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:55:47,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:55:47,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:55:47,153 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_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc730f52c640d2c8e3cb7b93e5d1f8c1973029db6cd19ab3f75108e9e7f0634 [2022-11-26 00:55:47,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:55:47,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:55:47,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:55:47,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:55:47,488 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:55:47,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2022-11-26 00:55:50,599 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:55:51,424 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:55:51,425 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2022-11-26 00:55:51,497 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/data/c1b213a2d/e5293162b53a45adbf146e7b4020df5c/FLAG394712c67 [2022-11-26 00:55:51,518 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/data/c1b213a2d/e5293162b53a45adbf146e7b4020df5c [2022-11-26 00:55:51,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:55:51,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:55:51,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:51,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:55:51,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:55:51,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:51" (1/1) ... [2022-11-26 00:55:51,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5119da00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:51, skipping insertion in model container [2022-11-26 00:55:51,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:51" (1/1) ... [2022-11-26 00:55:51,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:55:51,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:55:52,887 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:55:52,910 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:55:53,085 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:55:53,093 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:55:53,100 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:55:53,244 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-26 00:55:53,340 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:55:53,384 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:55:53,466 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-11-26 00:55:53,508 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:53,924 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:53,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:53,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:53,964 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:55:53,974 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-11-26 00:55:53,975 WARN L623 FunctionHandler]: Unknown extern function cx88_set_scale [2022-11-26 00:55:53,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:53,999 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:54,002 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:54,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,006 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,022 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:55:54,027 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:55:54,029 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:54,030 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:54,031 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:54,032 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:54,033 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:54,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,036 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:55:54,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,047 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:54,048 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,051 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,052 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,060 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:55:54,066 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:54,074 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:54,081 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:54,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,084 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-11-26 00:55:54,085 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:55:54,086 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:55:54,087 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,093 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:55:54,094 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:55:54,094 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-11-26 00:55:54,098 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-11-26 00:55:54,105 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:54,106 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-11-26 00:55:54,107 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-11-26 00:55:54,114 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:54,115 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:55:54,116 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-11-26 00:55:54,125 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-11-26 00:55:54,126 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:54,127 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-11-26 00:55:54,129 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-11-26 00:55:54,129 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-11-26 00:55:54,130 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-11-26 00:55:54,130 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-11-26 00:55:54,133 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:54,145 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-11-26 00:55:54,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,192 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:55:54,195 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:55:54,196 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:55:54,198 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:55:54,199 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:55:54,201 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:55:54,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,232 WARN L623 FunctionHandler]: Unknown extern function v4l_bound_align_image [2022-11-26 00:55:54,245 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:54,245 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:54,256 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:55:54,263 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:54,270 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-26 00:55:54,276 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-26 00:55:54,282 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-26 00:55:54,288 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-26 00:55:54,294 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:54,296 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-26 00:55:54,302 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:54,304 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-26 00:55:54,317 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-11-26 00:55:54,346 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-11-26 00:55:54,361 WARN L623 FunctionHandler]: Unknown extern function cx88_get_stereo [2022-11-26 00:55:54,372 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-11-26 00:55:54,393 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-11-26 00:55:54,397 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:54,398 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:55:54,440 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:55:54,441 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:54,441 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:54,442 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:54,442 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,453 WARN L623 FunctionHandler]: Unknown extern function cx88_print_irqbits [2022-11-26 00:55:54,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,455 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:55:54,456 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-11-26 00:55:54,456 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-11-26 00:55:54,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,465 WARN L623 FunctionHandler]: Unknown extern function cx88_core_irq [2022-11-26 00:55:54,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,489 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:55:54,490 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:55:54,490 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:55:54,491 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:55:54,491 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:55:54,492 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:55:54,499 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:55:54,501 WARN L623 FunctionHandler]: Unknown extern function cx88_core_get [2022-11-26 00:55:54,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,502 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:55:54,502 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,503 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:55:54,504 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:55:54,505 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-11-26 00:55:54,506 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:55:54,506 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-11-26 00:55:54,507 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,509 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:55:54,511 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:55:54,512 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_add_handler [2022-11-26 00:55:54,515 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev_board [2022-11-26 00:55:54,516 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev [2022-11-26 00:55:54,520 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:55:54,521 WARN L623 FunctionHandler]: Unknown extern function i2c_new_device [2022-11-26 00:55:54,521 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:55:54,521 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-11-26 00:55:54,522 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:55:54,522 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:55:54,522 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:55:54,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,529 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:55:54,568 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,568 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,569 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:55:54,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,572 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 00:55:54,572 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:55:54,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,574 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-11-26 00:55:54,574 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:54,587 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:55:54,588 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-11-26 00:55:54,588 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-11-26 00:55:54,589 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:54,589 WARN L623 FunctionHandler]: Unknown extern function btcx_riscmem_free [2022-11-26 00:55:54,590 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-11-26 00:55:54,591 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:54,597 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:54,603 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,605 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-11-26 00:55:54,605 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-11-26 00:55:54,606 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:55:54,606 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:55:54,606 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:55:54,607 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:54,613 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:55:54,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,614 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:55:54,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,615 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:54,615 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:55:54,616 WARN L623 FunctionHandler]: Unknown extern function cx88_reset [2022-11-26 00:55:54,616 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_start [2022-11-26 00:55:54,617 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:54,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:54,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:55,376 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:55:55,376 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:55:55,377 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:55:55,378 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:55:55,389 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:55:55,390 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:55:55,391 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:55:55,398 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:55:55,399 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:55:55,406 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:55:55,428 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:55:55,429 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:55:55,459 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:55:55,460 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:55:55,460 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:55:55,462 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:55:55,463 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:55:55,464 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:55:55,465 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:55:55,466 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:55:55,468 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:55:55,487 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-11-26 00:55:55,492 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:55,493 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:55,494 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:55:55,496 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:55,496 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:55,497 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:55,497 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:55,511 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:55:55,512 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:55:55,512 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:55,513 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:55:55,520 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:55,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:55,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:55,529 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:55:55,542 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:55:55,543 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:55:55,590 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:55:55,592 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:55:55,603 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:55:55,919 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_d76fade7-1b15-4f0a-9378-840d6555bf25/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] [2022-11-26 00:55:55,924 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_d76fade7-1b15-4f0a-9378-840d6555bf25/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] [2022-11-26 00:55:55,925 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_d76fade7-1b15-4f0a-9378-840d6555bf25/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] [2022-11-26 00:55:55,927 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_d76fade7-1b15-4f0a-9378-840d6555bf25/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] [2022-11-26 00:55:55,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:56,059 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:55:56,218 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:55:56,219 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:55:56,220 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:55:56,221 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:55:56,221 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:55:56,222 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-26 00:55:56,225 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:55:56,226 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:55:56,229 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-11-26 00:55:56,230 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:56,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,261 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:55:56,263 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-11-26 00:55:56,263 WARN L623 FunctionHandler]: Unknown extern function cx88_set_scale [2022-11-26 00:55:56,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,268 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:56,269 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:56,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,285 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:55:56,287 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:55:56,288 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:56,288 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:56,289 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:56,289 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:56,289 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:56,290 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,291 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:55:56,297 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,298 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:56,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,301 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:55:56,302 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:56,303 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:56,304 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:56,304 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,305 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-11-26 00:55:56,311 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:55:56,311 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-11-26 00:55:56,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,329 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:55:56,329 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:55:56,329 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-11-26 00:55:56,345 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-11-26 00:55:56,346 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:56,422 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-11-26 00:55:56,428 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-11-26 00:55:56,429 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:56,429 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:55:56,435 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-11-26 00:55:56,441 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-11-26 00:55:56,442 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:56,442 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-11-26 00:55:56,443 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-11-26 00:55:56,443 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_free [2022-11-26 00:55:56,443 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-11-26 00:55:56,443 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-11-26 00:55:56,444 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:56,459 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-11-26 00:55:56,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,466 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:55:56,473 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:55:56,478 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:55:56,484 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:55:56,490 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_find [2022-11-26 00:55:56,496 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:55:56,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,517 WARN L623 FunctionHandler]: Unknown extern function v4l_bound_align_image [2022-11-26 00:55:56,524 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:56,524 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:56,532 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:55:56,533 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:56,534 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-11-26 00:55:56,534 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-11-26 00:55:56,535 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-11-26 00:55:56,535 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-11-26 00:55:56,536 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:56,542 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-11-26 00:55:56,542 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:55:56,548 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-11-26 00:55:56,559 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-11-26 00:55:56,578 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-11-26 00:55:56,627 WARN L623 FunctionHandler]: Unknown extern function cx88_get_stereo [2022-11-26 00:55:56,633 WARN L623 FunctionHandler]: Unknown extern function cx88_set_stereo [2022-11-26 00:55:56,653 WARN L623 FunctionHandler]: Unknown extern function cx88_newstation [2022-11-26 00:55:56,682 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:55:56,682 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvaudio [2022-11-26 00:55:56,738 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:55:56,739 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:56,739 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:56,740 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:56,740 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,743 WARN L623 FunctionHandler]: Unknown extern function cx88_print_irqbits [2022-11-26 00:55:56,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,745 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:55:56,745 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-11-26 00:55:56,746 WARN L623 FunctionHandler]: Unknown extern function cx88_wakeup [2022-11-26 00:55:56,746 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,747 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,748 WARN L623 FunctionHandler]: Unknown extern function cx88_core_irq [2022-11-26 00:55:56,749 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,757 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:55:56,758 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:55:56,758 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:55:56,758 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:55:56,759 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:55:56,759 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-11-26 00:55:56,761 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:55:56,761 WARN L623 FunctionHandler]: Unknown extern function cx88_core_get [2022-11-26 00:55:56,762 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,762 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:55:56,762 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,763 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:55:56,763 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:55:56,764 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-11-26 00:55:56,764 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:55:56,764 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_stopper [2022-11-26 00:55:56,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,766 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:55:56,767 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-11-26 00:55:56,767 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_add_handler [2022-11-26 00:55:56,769 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev_board [2022-11-26 00:55:56,769 WARN L623 FunctionHandler]: Unknown extern function v4l2_i2c_new_subdev [2022-11-26 00:55:56,771 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:55:56,772 WARN L623 FunctionHandler]: Unknown extern function i2c_new_device [2022-11-26 00:55:56,772 WARN L623 FunctionHandler]: Unknown extern function __request_module [2022-11-26 00:55:56,772 WARN L623 FunctionHandler]: Unknown extern function cx88_set_tvnorm [2022-11-26 00:55:56,783 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:55:56,783 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:55:56,783 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:55:56,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,786 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,786 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:55:56,788 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,788 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,789 WARN L623 FunctionHandler]: Unknown extern function cx88_vdev_init [2022-11-26 00:55:56,791 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,791 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,792 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 00:55:56,792 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:55:56,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,793 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-11-26 00:55:56,794 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:56,795 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:55:56,796 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-11-26 00:55:56,796 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-11-26 00:55:56,796 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:56,796 WARN L623 FunctionHandler]: Unknown extern function btcx_riscmem_free [2022-11-26 00:55:56,797 WARN L623 FunctionHandler]: Unknown extern function cx88_core_put [2022-11-26 00:55:56,797 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:56,798 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:56,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,800 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_stop [2022-11-26 00:55:56,800 WARN L623 FunctionHandler]: Unknown extern function cx88_shutdown [2022-11-26 00:55:56,800 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:55:56,801 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:55:56,801 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:55:56,801 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:56,802 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:55:56,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,803 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:55:56,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,804 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:55:56,804 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:55:56,804 WARN L623 FunctionHandler]: Unknown extern function cx88_reset [2022-11-26 00:55:56,805 WARN L623 FunctionHandler]: Unknown extern function cx88_ir_start [2022-11-26 00:55:56,805 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:56,806 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,806 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,828 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:55:56,828 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:55:56,829 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:55:56,830 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:55:56,833 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:55:56,834 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:55:56,835 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:55:56,839 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:55:56,840 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:55:56,846 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:55:56,854 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:55:56,855 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:55:56,872 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:55:56,873 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:55:56,873 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:55:56,875 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:55:56,876 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:55:56,876 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:55:56,877 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:55:56,877 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:55:56,878 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:55:56,885 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_setup [2022-11-26 00:55:56,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,891 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:56,892 WARN L623 FunctionHandler]: Unknown extern function cx88_sram_channel_dump [2022-11-26 00:55:56,893 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:56,894 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:56,894 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:56,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,901 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-11-26 00:55:56,902 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-11-26 00:55:56,902 WARN L623 FunctionHandler]: Unknown extern function cx88_risc_buffer [2022-11-26 00:55:56,903 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:55:56,909 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:55:56,909 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:56,911 WARN L623 FunctionHandler]: Unknown extern function cx88_free_buffer [2022-11-26 00:55:56,913 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:55:56,914 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:55:56,917 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:55:56,918 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:55:56,918 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:55:56,931 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_d76fade7-1b15-4f0a-9378-840d6555bf25/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] [2022-11-26 00:55:56,932 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_d76fade7-1b15-4f0a-9378-840d6555bf25/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] [2022-11-26 00:55:56,933 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_d76fade7-1b15-4f0a-9378-840d6555bf25/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] [2022-11-26 00:55:56,933 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_d76fade7-1b15-4f0a-9378-840d6555bf25/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] [2022-11-26 00:55:56,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:57,132 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:55:57,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57 WrapperNode [2022-11-26 00:55:57,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:57,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:57,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:55:57,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:55:57,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (1/1) ... [2022-11-26 00:55:57,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (1/1) ... [2022-11-26 00:55:57,599 INFO L138 Inliner]: procedures = 489, calls = 4166, calls flagged for inlining = 273, calls inlined = 262, statements flattened = 8683 [2022-11-26 00:55:57,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:57,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:55:57,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:55:57,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:55:57,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (1/1) ... [2022-11-26 00:55:57,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (1/1) ... [2022-11-26 00:55:57,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (1/1) ... [2022-11-26 00:55:57,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (1/1) ... [2022-11-26 00:55:57,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (1/1) ... [2022-11-26 00:55:57,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (1/1) ... [2022-11-26 00:55:57,922 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (1/1) ... [2022-11-26 00:55:57,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (1/1) ... [2022-11-26 00:55:58,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:55:58,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:55:58,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:55:58,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:55:58,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (1/1) ... [2022-11-26 00:55:58,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:58,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:58,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:55:58,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:55:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2022-11-26 00:55:58,179 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2022-11-26 00:55:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:55:58,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:55:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2022-11-26 00:55:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2022-11-26 00:55:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2022-11-26 00:55:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2022-11-26 00:55:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2022-11-26 00:55:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2022-11-26 00:55:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:55:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:55:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2022-11-26 00:55:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2022-11-26 00:55:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2022-11-26 00:55:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2022-11-26 00:55:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2022-11-26 00:55:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2022-11-26 00:55:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-26 00:55:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-26 00:55:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2022-11-26 00:55:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2022-11-26 00:55:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2022-11-26 00:55:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2022-11-26 00:55:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2022-11-26 00:55:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2022-11-26 00:55:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2022-11-26 00:55:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2022-11-26 00:55:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-26 00:55:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-26 00:55:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2022-11-26 00:55:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2022-11-26 00:55:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2022-11-26 00:55:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2022-11-26 00:55:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-26 00:55:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-26 00:55:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2022-11-26 00:55:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2022-11-26 00:55:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:55:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:55:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2022-11-26 00:55:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2022-11-26 00:55:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2022-11-26 00:55:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2022-11-26 00:55:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2022-11-26 00:55:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2022-11-26 00:55:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2022-11-26 00:55:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2022-11-26 00:55:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-26 00:55:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-26 00:55:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:55:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:55:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 00:55:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 00:55:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-26 00:55:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-26 00:55:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-11-26 00:55:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-11-26 00:55:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:55:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:55:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2022-11-26 00:55:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2022-11-26 00:55:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2022-11-26 00:55:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2022-11-26 00:55:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2022-11-26 00:55:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2022-11-26 00:55:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-26 00:55:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-26 00:55:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 00:55:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 00:55:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2022-11-26 00:55:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2022-11-26 00:55:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-11-26 00:55:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-11-26 00:55:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2022-11-26 00:55:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2022-11-26 00:55:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:55:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2022-11-26 00:55:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2022-11-26 00:55:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2022-11-26 00:55:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2022-11-26 00:55:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-26 00:55:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-26 00:55:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2022-11-26 00:55:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-26 00:55:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-26 00:55:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-11-26 00:55:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-11-26 00:55:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2022-11-26 00:55:58,191 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2022-11-26 00:55:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:55:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2022-11-26 00:55:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2022-11-26 00:55:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:55:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:55:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2022-11-26 00:55:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2022-11-26 00:55:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2022-11-26 00:55:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_lock_of_videobuf_queue [2022-11-26 00:55:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:55:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2022-11-26 00:55:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2022-11-26 00:55:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-26 00:55:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-26 00:55:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-26 00:55:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-26 00:55:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2022-11-26 00:55:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2022-11-26 00:55:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 00:55:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 00:55:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2022-11-26 00:55:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2022-11-26 00:55:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:55:58,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:55:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2022-11-26 00:55:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2022-11-26 00:55:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2022-11-26 00:55:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2022-11-26 00:55:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-26 00:55:58,195 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-26 00:55:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2022-11-26 00:55:58,196 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2022-11-26 00:55:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-26 00:55:58,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-26 00:55:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2022-11-26 00:55:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2022-11-26 00:55:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-11-26 00:55:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2022-11-26 00:55:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2022-11-26 00:55:58,197 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2022-11-26 00:55:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:55:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-26 00:55:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-26 00:55:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-26 00:55:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-26 00:55:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-26 00:55:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-26 00:55:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-26 00:55:58,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-26 00:55:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2022-11-26 00:55:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2022-11-26 00:55:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:55:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:55:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:55:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:55:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2022-11-26 00:55:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2022-11-26 00:55:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:55:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:55:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:55:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:55:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2022-11-26 00:55:58,200 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2022-11-26 00:55:58,200 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2022-11-26 00:55:58,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2022-11-26 00:55:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2022-11-26 00:55:58,201 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2022-11-26 00:55:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-26 00:55:58,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-26 00:55:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2022-11-26 00:55:58,201 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2022-11-26 00:55:58,201 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-11-26 00:55:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-11-26 00:55:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2022-11-26 00:55:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2022-11-26 00:55:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2022-11-26 00:55:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2022-11-26 00:55:58,202 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2022-11-26 00:55:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2022-11-26 00:55:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2022-11-26 00:55:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2022-11-26 00:55:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2022-11-26 00:55:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2022-11-26 00:55:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2022-11-26 00:55:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2022-11-26 00:55:58,203 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2022-11-26 00:55:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2022-11-26 00:55:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-26 00:55:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-26 00:55:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-26 00:55:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-26 00:55:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-11-26 00:55:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2022-11-26 00:55:58,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:55:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:55:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2022-11-26 00:55:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2022-11-26 00:55:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:55:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:55:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-26 00:55:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-26 00:55:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:55:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:55:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2022-11-26 00:55:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2022-11-26 00:55:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2022-11-26 00:55:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2022-11-26 00:55:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2022-11-26 00:55:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2022-11-26 00:55:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2022-11-26 00:55:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2022-11-26 00:55:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-11-26 00:55:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-11-26 00:55:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-26 00:55:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-26 00:55:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2022-11-26 00:55:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2022-11-26 00:55:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2022-11-26 00:55:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2022-11-26 00:55:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2022-11-26 00:55:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2022-11-26 00:55:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2022-11-26 00:55:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2022-11-26 00:55:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2022-11-26 00:55:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2022-11-26 00:55:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2022-11-26 00:55:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2022-11-26 00:55:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-26 00:55:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-26 00:55:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-26 00:55:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-26 00:55:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure video_poll [2022-11-26 00:55:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure video_poll [2022-11-26 00:55:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:55:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:55:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:55:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:55:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2022-11-26 00:55:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2022-11-26 00:55:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2022-11-26 00:55:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2022-11-26 00:55:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2022-11-26 00:55:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2022-11-26 00:55:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2022-11-26 00:55:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2022-11-26 00:55:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:55:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-11-26 00:55:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-11-26 00:55:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 00:55:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 00:55:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2022-11-26 00:55:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2022-11-26 00:55:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-26 00:55:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-26 00:55:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:55:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:55:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-26 00:55:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-26 00:55:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:55:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:55:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2022-11-26 00:55:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2022-11-26 00:55:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-26 00:55:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-26 00:55:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-11-26 00:55:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-11-26 00:55:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:55:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:55:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2022-11-26 00:55:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2022-11-26 00:55:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2022-11-26 00:55:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2022-11-26 00:55:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2022-11-26 00:55:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2022-11-26 00:55:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:55:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:55:58,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:55:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:55:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:55:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:55:58,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:55:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2022-11-26 00:55:58,216 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2022-11-26 00:55:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-26 00:55:58,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-26 00:55:58,216 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2022-11-26 00:55:58,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2022-11-26 00:55:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 00:55:58,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 00:55:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2022-11-26 00:55:58,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2022-11-26 00:55:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2022-11-26 00:55:58,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2022-11-26 00:55:58,217 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2022-11-26 00:55:58,218 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2022-11-26 00:55:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:55:58,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:55:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-26 00:55:58,218 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-26 00:55:58,218 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-26 00:55:58,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-26 00:55:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2022-11-26 00:55:58,219 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2022-11-26 00:55:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-26 00:55:58,219 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-26 00:55:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2022-11-26 00:55:58,219 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2022-11-26 00:55:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-26 00:55:58,219 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-26 00:55:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2022-11-26 00:55:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2022-11-26 00:55:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:55:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:55:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-26 00:55:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-26 00:55:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2022-11-26 00:55:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2022-11-26 00:55:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:55:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 00:55:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 00:55:59,592 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:55:59,597 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:56:00,002 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:56:29,345 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 00:56:29,540 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:56:31,579 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:56:31,579 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-26 00:56:31,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:56:31 BoogieIcfgContainer [2022-11-26 00:56:31,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:56:31,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:56:31,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:56:31,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:56:31,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:55:51" (1/3) ... [2022-11-26 00:56:31,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8eff5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:56:31, skipping insertion in model container [2022-11-26 00:56:31,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:57" (2/3) ... [2022-11-26 00:56:31,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8eff5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:56:31, skipping insertion in model container [2022-11-26 00:56:31,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:56:31" (3/3) ... [2022-11-26 00:56:31,602 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx88-cx8800.cil.i [2022-11-26 00:56:31,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:56:31,623 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-26 00:56:31,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:56:31,744 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;@3e63d4a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:56:31,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-26 00:56:31,759 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) [2022-11-26 00:56:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-11-26 00:56:31,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:31,818 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] [2022-11-26 00:56:31,819 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)] === [2022-11-26 00:56:31,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:31,835 INFO L85 PathProgramCache]: Analyzing trace with hash 646976848, now seen corresponding path program 1 times [2022-11-26 00:56:31,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:31,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430607680] [2022-11-26 00:56:31,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:31,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:33,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9509 trivial. 0 not checked. [2022-11-26 00:56:33,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:33,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430607680] [2022-11-26 00:56:33,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430607680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:33,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:33,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:56:33,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193966799] [2022-11-26 00:56:33,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:33,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:33,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:33,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:33,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:33,872 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) [2022-11-26 00:56:38,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:38,426 INFO L93 Difference]: Finished difference Result 6461 states and 9491 transitions. [2022-11-26 00:56:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:38,429 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 [2022-11-26 00:56:38,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:38,491 INFO L225 Difference]: With dead ends: 6461 [2022-11-26 00:56:38,491 INFO L226 Difference]: Without dead ends: 4303 [2022-11-26 00:56:38,513 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 [2022-11-26 00:56:38,518 INFO L413 NwaCegarLoop]: 3444 mSDtfsCounter, 3003 mSDsluCounter, 2727 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3003 SdHoareTripleChecker+Valid, 6171 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:38,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3003 Valid, 6171 Invalid, 973 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-26 00:56:38,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4303 states. [2022-11-26 00:56:38,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4303 to 4299. [2022-11-26 00:56:38,839 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) [2022-11-26 00:56:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 6184 transitions. [2022-11-26 00:56:38,874 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 6184 transitions. Word has length 515 [2022-11-26 00:56:38,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:38,878 INFO L495 AbstractCegarLoop]: Abstraction has 4299 states and 6184 transitions. [2022-11-26 00:56:38,878 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) [2022-11-26 00:56:38,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 6184 transitions. [2022-11-26 00:56:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2022-11-26 00:56:38,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:38,902 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] [2022-11-26 00:56:38,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:56:38,902 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)] === [2022-11-26 00:56:38,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:38,903 INFO L85 PathProgramCache]: Analyzing trace with hash -391615212, now seen corresponding path program 1 times [2022-11-26 00:56:38,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:38,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110461102] [2022-11-26 00:56:38,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:38,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:40,139 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2022-11-26 00:56:40,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:40,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110461102] [2022-11-26 00:56:40,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110461102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:40,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:40,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:56:40,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879165338] [2022-11-26 00:56:40,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:40,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:40,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:40,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:40,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:40,149 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) [2022-11-26 00:56:44,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:44,536 INFO L93 Difference]: Finished difference Result 10298 states and 14736 transitions. [2022-11-26 00:56:44,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:44,537 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 [2022-11-26 00:56:44,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:44,582 INFO L225 Difference]: With dead ends: 10298 [2022-11-26 00:56:44,583 INFO L226 Difference]: Without dead ends: 6098 [2022-11-26 00:56:44,602 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 [2022-11-26 00:56:44,603 INFO L413 NwaCegarLoop]: 3372 mSDtfsCounter, 2762 mSDsluCounter, 2693 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 4.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:44,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2762 Valid, 6065 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-26 00:56:44,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6098 states. [2022-11-26 00:56:44,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6098 to 6077. [2022-11-26 00:56:44,917 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) [2022-11-26 00:56:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6077 states to 6077 states and 8657 transitions. [2022-11-26 00:56:44,954 INFO L78 Accepts]: Start accepts. Automaton has 6077 states and 8657 transitions. Word has length 526 [2022-11-26 00:56:44,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:44,956 INFO L495 AbstractCegarLoop]: Abstraction has 6077 states and 8657 transitions. [2022-11-26 00:56:44,956 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) [2022-11-26 00:56:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 6077 states and 8657 transitions. [2022-11-26 00:56:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2022-11-26 00:56:44,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:44,975 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] [2022-11-26 00:56:44,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:56:44,975 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)] === [2022-11-26 00:56:44,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:44,985 INFO L85 PathProgramCache]: Analyzing trace with hash 904987918, now seen corresponding path program 1 times [2022-11-26 00:56:44,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:44,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112149143] [2022-11-26 00:56:44,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:44,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:46,074 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2022-11-26 00:56:46,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:46,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112149143] [2022-11-26 00:56:46,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112149143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:46,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:46,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:56:46,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428498948] [2022-11-26 00:56:46,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:46,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:46,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:46,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:46,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:46,080 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) [2022-11-26 00:56:52,940 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 [] [2022-11-26 00:56:53,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:53,925 INFO L93 Difference]: Finished difference Result 14861 states and 21122 transitions. [2022-11-26 00:56:53,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:53,926 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 [2022-11-26 00:56:53,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:53,987 INFO L225 Difference]: With dead ends: 14861 [2022-11-26 00:56:53,987 INFO L226 Difference]: Without dead ends: 8883 [2022-11-26 00:56:54,016 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 [2022-11-26 00:56:54,021 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 2758 mSDsluCounter, 2691 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2758 SdHoareTripleChecker+Valid, 6472 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:54,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2758 Valid, 6472 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1098 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-11-26 00:56:54,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8883 states. [2022-11-26 00:56:54,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8883 to 8862. [2022-11-26 00:56:54,529 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) [2022-11-26 00:56:54,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8862 states to 8862 states and 12560 transitions. [2022-11-26 00:56:54,571 INFO L78 Accepts]: Start accepts. Automaton has 8862 states and 12560 transitions. Word has length 525 [2022-11-26 00:56:54,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:54,573 INFO L495 AbstractCegarLoop]: Abstraction has 8862 states and 12560 transitions. [2022-11-26 00:56:54,574 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) [2022-11-26 00:56:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 8862 states and 12560 transitions. [2022-11-26 00:56:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2022-11-26 00:56:54,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:54,590 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] [2022-11-26 00:56:54,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:56:54,590 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)] === [2022-11-26 00:56:54,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:54,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2086612998, now seen corresponding path program 1 times [2022-11-26 00:56:54,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:54,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690678270] [2022-11-26 00:56:54,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:54,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:55,766 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2022-11-26 00:56:55,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:55,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690678270] [2022-11-26 00:56:55,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690678270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:55,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:55,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:56:55,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735385899] [2022-11-26 00:56:55,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:55,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:55,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:55,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:55,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:55,771 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) [2022-11-26 00:56:58,449 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 [] [2022-11-26 00:57:02,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:02,752 INFO L93 Difference]: Finished difference Result 24377 states and 34559 transitions. [2022-11-26 00:57:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:02,753 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 [2022-11-26 00:57:02,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:02,888 INFO L225 Difference]: With dead ends: 24377 [2022-11-26 00:57:02,888 INFO L226 Difference]: Without dead ends: 15614 [2022-11-26 00:57:02,938 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 [2022-11-26 00:57:02,942 INFO L413 NwaCegarLoop]: 3873 mSDtfsCounter, 2776 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2776 SdHoareTripleChecker+Valid, 6584 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:02,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2776 Valid, 6584 Invalid, 1071 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 1053 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-26 00:57:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15614 states. [2022-11-26 00:57:04,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15614 to 15589. [2022-11-26 00:57:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15589 states, 9460 states have (on average 1.2806553911205074) internal successors, (12115), 9602 states have internal predecessors, (12115), 4967 states have call successors, (4967), 1164 states have call predecessors, (4967), 1159 states have return successors, (4963), 4914 states have call predecessors, (4963), 4963 states have call successors, (4963) [2022-11-26 00:57:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15589 states to 15589 states and 22045 transitions. [2022-11-26 00:57:04,290 INFO L78 Accepts]: Start accepts. Automaton has 15589 states and 22045 transitions. Word has length 531 [2022-11-26 00:57:04,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:04,291 INFO L495 AbstractCegarLoop]: Abstraction has 15589 states and 22045 transitions. [2022-11-26 00:57:04,292 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) [2022-11-26 00:57:04,292 INFO L276 IsEmpty]: Start isEmpty. Operand 15589 states and 22045 transitions. [2022-11-26 00:57:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2022-11-26 00:57:04,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:04,302 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] [2022-11-26 00:57:04,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:57:04,302 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)] === [2022-11-26 00:57:04,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:04,303 INFO L85 PathProgramCache]: Analyzing trace with hash -24458548, now seen corresponding path program 1 times [2022-11-26 00:57:04,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:04,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315019170] [2022-11-26 00:57:04,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:04,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 9847 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9847 trivial. 0 not checked. [2022-11-26 00:57:07,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:07,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315019170] [2022-11-26 00:57:07,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315019170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:07,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:07,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:57:07,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351184201] [2022-11-26 00:57:07,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:07,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:07,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:07,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:07,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:07,528 INFO L87 Difference]: Start difference. First operand 15589 states and 22045 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) [2022-11-26 00:57:10,874 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 [] [2022-11-26 00:57:12,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:17,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:17,424 INFO L93 Difference]: Finished difference Result 31055 states and 43897 transitions. [2022-11-26 00:57:17,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:57:17,426 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 561 [2022-11-26 00:57:17,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:17,621 INFO L225 Difference]: With dead ends: 31055 [2022-11-26 00:57:17,622 INFO L226 Difference]: Without dead ends: 31053 [2022-11-26 00:57:17,644 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 [2022-11-26 00:57:17,647 INFO L413 NwaCegarLoop]: 3443 mSDtfsCounter, 3082 mSDsluCounter, 9482 mSDsCounter, 0 mSdLazyCounter, 1864 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3087 SdHoareTripleChecker+Valid, 12925 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1864 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:17,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3087 Valid, 12925 Invalid, 1867 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1864 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-26 00:57:17,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31053 states. [2022-11-26 00:57:19,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31053 to 31037. [2022-11-26 00:57:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31037 states, 18850 states have (on average 1.2816976127320956) internal successors, (24160), 19142 states have internal predecessors, (24160), 9865 states have call successors, (9865), 2329 states have call predecessors, (9865), 2319 states have return successors, (9857), 9749 states have call predecessors, (9857), 9857 states have call successors, (9857) [2022-11-26 00:57:19,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31037 states to 31037 states and 43882 transitions. [2022-11-26 00:57:19,858 INFO L78 Accepts]: Start accepts. Automaton has 31037 states and 43882 transitions. Word has length 561 [2022-11-26 00:57:19,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:19,859 INFO L495 AbstractCegarLoop]: Abstraction has 31037 states and 43882 transitions. [2022-11-26 00:57:19,860 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) [2022-11-26 00:57:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 31037 states and 43882 transitions. [2022-11-26 00:57:19,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2022-11-26 00:57:19,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:19,871 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] [2022-11-26 00:57:19,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:57:19,871 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)] === [2022-11-26 00:57:19,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:19,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1232879696, now seen corresponding path program 1 times [2022-11-26 00:57:19,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:19,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325135198] [2022-11-26 00:57:19,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:19,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 9848 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9846 trivial. 0 not checked. [2022-11-26 00:57:22,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:22,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325135198] [2022-11-26 00:57:22,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325135198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:22,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:22,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:57:22,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469349380] [2022-11-26 00:57:22,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:22,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:22,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:22,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:22,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:22,948 INFO L87 Difference]: Start difference. First operand 31037 states and 43882 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) [2022-11-26 00:57:27,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:30,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:30,004 INFO L93 Difference]: Finished difference Result 31047 states and 43891 transitions. [2022-11-26 00:57:30,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:57:30,006 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 [2022-11-26 00:57:30,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:30,167 INFO L225 Difference]: With dead ends: 31047 [2022-11-26 00:57:30,167 INFO L226 Difference]: Without dead ends: 31045 [2022-11-26 00:57:30,185 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 [2022-11-26 00:57:30,186 INFO L413 NwaCegarLoop]: 2749 mSDtfsCounter, 3082 mSDsluCounter, 5485 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s 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, 6.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:30,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 8234 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-26 00:57:30,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31045 states. [2022-11-26 00:57:31,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31045 to 31045. [2022-11-26 00:57:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31045 states, 18856 states have (on average 1.2816079762409842) internal successors, (24166), 19148 states have internal predecessors, (24166), 9865 states have call successors, (9865), 2331 states have call predecessors, (9865), 2321 states have return successors, (9857), 9749 states have call predecessors, (9857), 9857 states have call successors, (9857) [2022-11-26 00:57:32,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31045 states to 31045 states and 43888 transitions. [2022-11-26 00:57:32,081 INFO L78 Accepts]: Start accepts. Automaton has 31045 states and 43888 transitions. Word has length 565 [2022-11-26 00:57:32,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:32,082 INFO L495 AbstractCegarLoop]: Abstraction has 31045 states and 43888 transitions. [2022-11-26 00:57:32,082 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) [2022-11-26 00:57:32,083 INFO L276 IsEmpty]: Start isEmpty. Operand 31045 states and 43888 transitions. [2022-11-26 00:57:32,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-11-26 00:57:32,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:32,095 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 4, 4, 3, 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] [2022-11-26 00:57:32,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:57:32,096 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)] === [2022-11-26 00:57:32,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:32,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1948864279, now seen corresponding path program 1 times [2022-11-26 00:57:32,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:32,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602294605] [2022-11-26 00:57:32,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:32,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9851 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9847 trivial. 0 not checked. [2022-11-26 00:57:35,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:35,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602294605] [2022-11-26 00:57:35,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602294605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:35,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:35,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:57:35,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118114114] [2022-11-26 00:57:35,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:35,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:35,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:35,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:35,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:35,232 INFO L87 Difference]: Start difference. First operand 31045 states and 43888 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, (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) [2022-11-26 00:57:38,796 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 [] [2022-11-26 00:57:44,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:44,792 INFO L93 Difference]: Finished difference Result 41103 states and 57247 transitions. [2022-11-26 00:57:44,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:57:44,800 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, (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 571 [2022-11-26 00:57:44,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:44,984 INFO L225 Difference]: With dead ends: 41103 [2022-11-26 00:57:44,984 INFO L226 Difference]: Without dead ends: 41101 [2022-11-26 00:57:45,005 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 [2022-11-26 00:57:45,006 INFO L413 NwaCegarLoop]: 3011 mSDtfsCounter, 2759 mSDsluCounter, 7129 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2762 SdHoareTripleChecker+Valid, 10140 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:45,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2762 Valid, 10140 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1563 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-11-26 00:57:45,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41101 states. [2022-11-26 00:57:47,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41101 to 40965. [2022-11-26 00:57:47,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40965 states, 24754 states have (on average 1.2694514017936496) internal successors, (31424), 25182 states have internal predecessors, (31424), 12781 states have call successors, (12781), 3493 states have call predecessors, (12781), 3427 states have return successors, (12877), 12473 states have call predecessors, (12877), 12773 states have call successors, (12877) [2022-11-26 00:57:47,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40965 states to 40965 states and 57082 transitions. [2022-11-26 00:57:47,575 INFO L78 Accepts]: Start accepts. Automaton has 40965 states and 57082 transitions. Word has length 571 [2022-11-26 00:57:47,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:47,576 INFO L495 AbstractCegarLoop]: Abstraction has 40965 states and 57082 transitions. [2022-11-26 00:57:47,577 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, (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) [2022-11-26 00:57:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 40965 states and 57082 transitions. [2022-11-26 00:57:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2022-11-26 00:57:47,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:47,591 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] [2022-11-26 00:57:47,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:57:47,592 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)] === [2022-11-26 00:57:47,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:47,593 INFO L85 PathProgramCache]: Analyzing trace with hash 2204056, now seen corresponding path program 1 times [2022-11-26 00:57:47,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:47,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424794115] [2022-11-26 00:57:47,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:47,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9865 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9859 trivial. 0 not checked. [2022-11-26 00:57:50,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:50,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424794115] [2022-11-26 00:57:50,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424794115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:50,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:50,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:57:50,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652009018] [2022-11-26 00:57:50,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:50,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:57:50,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:50,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:57:50,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:57:50,668 INFO L87 Difference]: Start difference. First operand 40965 states and 57082 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) [2022-11-26 00:57:53,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:55,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:57,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:57,826 INFO L93 Difference]: Finished difference Result 40975 states and 57091 transitions. [2022-11-26 00:57:57,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:57:57,827 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 [2022-11-26 00:57:57,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:57,998 INFO L225 Difference]: With dead ends: 40975 [2022-11-26 00:57:57,998 INFO L226 Difference]: Without dead ends: 40973 [2022-11-26 00:57:58,018 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 [2022-11-26 00:57:58,019 INFO L413 NwaCegarLoop]: 2749 mSDtfsCounter, 3082 mSDsluCounter, 5485 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s 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, 5.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:58,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3084 Valid, 8234 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-26 00:57:58,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40973 states. [2022-11-26 00:57:59,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40973 to 40973. [2022-11-26 00:58:00,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40973 states, 24760 states have (on average 1.2693861066235865) internal successors, (31430), 25188 states have internal predecessors, (31430), 12781 states have call successors, (12781), 3495 states have call predecessors, (12781), 3429 states have return successors, (12877), 12473 states have call predecessors, (12877), 12773 states have call successors, (12877) [2022-11-26 00:58:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40973 states to 40973 states and 57088 transitions. [2022-11-26 00:58:00,331 INFO L78 Accepts]: Start accepts. Automaton has 40973 states and 57088 transitions. Word has length 576 [2022-11-26 00:58:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:00,332 INFO L495 AbstractCegarLoop]: Abstraction has 40973 states and 57088 transitions. [2022-11-26 00:58:00,332 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) [2022-11-26 00:58:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 40973 states and 57088 transitions. [2022-11-26 00:58:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2022-11-26 00:58:00,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:00,349 INFO L195 NwaCegarLoop]: trace histogram [52, 50, 50, 50, 50, 50, 50, 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] [2022-11-26 00:58:00,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:58:00,350 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-11-26 00:58:00,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:00,350 INFO L85 PathProgramCache]: Analyzing trace with hash -2084620834, now seen corresponding path program 1 times [2022-11-26 00:58:00,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:00,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970970510] [2022-11-26 00:58:00,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:00,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:00,590 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:58:00,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621163967] [2022-11-26 00:58:00,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:00,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:58:00,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:58:00,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:58:00,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:58:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:03,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 9026 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:58:03,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:58:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 10009 backedges. 597 proven. 0 refuted. 0 times theorem prover too weak. 9412 trivial. 0 not checked. [2022-11-26 00:58:03,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:58:03,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:03,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970970510] [2022-11-26 00:58:03,423 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:58:03,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621163967] [2022-11-26 00:58:03,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621163967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:03,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:03,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:58:03,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050079451] [2022-11-26 00:58:03,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:03,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:58:03,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:03,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:58:03,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:58:03,427 INFO L87 Difference]: Start difference. First operand 40973 states and 57088 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-26 00:58:06,676 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 [] [2022-11-26 00:58:14,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:14,412 INFO L93 Difference]: Finished difference Result 121445 states and 169002 transitions. [2022-11-26 00:58:14,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:58:14,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 577 [2022-11-26 00:58:14,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:15,113 INFO L225 Difference]: With dead ends: 121445 [2022-11-26 00:58:15,113 INFO L226 Difference]: Without dead ends: 80571 [2022-11-26 00:58:15,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:58:15,274 INFO L413 NwaCegarLoop]: 4061 mSDtfsCounter, 2973 mSDsluCounter, 2691 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2973 SdHoareTripleChecker+Valid, 6752 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:15,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2973 Valid, 6752 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1057 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-11-26 00:58:15,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80571 states. [2022-11-26 00:58:19,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80571 to 80479. [2022-11-26 00:58:19,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80479 states, 48650 states have (on average 1.2679958890030834) internal successors, (61688), 49526 states have internal predecessors, (61688), 25001 states have call successors, (25001), 6955 states have call predecessors, (25001), 6825 states have return successors, (25201), 24365 states have call predecessors, (25201), 24993 states have call successors, (25201) [2022-11-26 00:58:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80479 states to 80479 states and 111890 transitions. [2022-11-26 00:58:19,873 INFO L78 Accepts]: Start accepts. Automaton has 80479 states and 111890 transitions. Word has length 577 [2022-11-26 00:58:19,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:19,875 INFO L495 AbstractCegarLoop]: Abstraction has 80479 states and 111890 transitions. [2022-11-26 00:58:19,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-26 00:58:19,875 INFO L276 IsEmpty]: Start isEmpty. Operand 80479 states and 111890 transitions. [2022-11-26 00:58:19,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2022-11-26 00:58:19,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:19,901 INFO L195 NwaCegarLoop]: trace histogram [53, 49, 49, 49, 49, 49, 49, 5, 5, 5, 4, 4, 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] [2022-11-26 00:58:19,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:58:20,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d76fade7-1b15-4f0a-9378-840d6555bf25/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:58:20,115 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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)] === [2022-11-26 00:58:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:20,116 INFO L85 PathProgramCache]: Analyzing trace with hash -440202932, now seen corresponding path program 1 times [2022-11-26 00:58:20,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:20,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527288635] [2022-11-26 00:58:20,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:20,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 9879 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9871 trivial. 0 not checked. [2022-11-26 00:58:23,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:23,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527288635] [2022-11-26 00:58:23,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527288635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:23,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:23,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:58:23,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164378384] [2022-11-26 00:58:23,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:23,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:58:23,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:23,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:58:23,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:58:23,339 INFO L87 Difference]: Start difference. First operand 80479 states and 111890 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, (66), 3 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2022-11-26 00:58:26,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:58:30,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:58:35,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:35,931 INFO L93 Difference]: Finished difference Result 80489 states and 111899 transitions. [2022-11-26 00:58:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:58:35,932 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, (66), 3 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 581 [2022-11-26 00:58:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:36,267 INFO L225 Difference]: With dead ends: 80489 [2022-11-26 00:58:36,268 INFO L226 Difference]: Without dead ends: 80485 [2022-11-26 00:58:36,299 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 [2022-11-26 00:58:36,300 INFO L413 NwaCegarLoop]: 2749 mSDtfsCounter, 3082 mSDsluCounter, 5485 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3083 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, 9.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:36,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3083 Valid, 8234 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2022-11-26 00:58:36,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80485 states.