./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.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_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/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_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/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_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/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 dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 --- 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 00:11:55,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:11:55,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:11:55,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:11:55,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:11:55,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:11:55,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:11:55,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:11:55,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:11:55,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:11:55,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:11:55,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:11:55,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:11:55,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:11:55,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:11:55,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:11:55,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:11:55,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:11:55,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:11:55,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:11:55,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:11:55,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:11:55,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:11:55,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:11:55,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:11:55,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:11:55,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:11:55,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:11:55,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:11:55,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:11:55,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:11:55,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:11:55,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:11:55,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:11:55,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:11:55,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:11:55,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:11:55,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:11:55,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:11:55,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:11:55,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:11:55,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:11:55,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:11:55,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:11:55,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:11:55,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:11:55,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:11:55,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:11:55,376 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:11:55,376 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:11:55,376 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:11:55,377 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:11:55,378 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:11:55,378 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:11:55,378 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:11:55,378 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:11:55,378 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:11:55,379 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:11:55,379 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:11:55,379 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:11:55,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:11:55,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:11:55,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:11:55,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:11:55,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:11:55,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:11:55,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:11:55,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:11:55,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:11:55,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:11:55,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:11:55,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:11:55,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:11:55,382 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:11:55,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:11:55,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:11:55,383 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:11:55,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:11:55,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:11:55,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:11:55,384 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_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc0241e7c40235715d7f33abd33c740b0c60d48c0a8a0992cf99bd2d48b4ffd0 [2022-11-26 00:11:55,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:11:55,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:11:55,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:11:55,732 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:11:55,733 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:11:55,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-11-26 00:11:58,897 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:11:59,627 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:11:59,627 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-11-26 00:11:59,682 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/bin/utaipan-ByfvJB40ur/data/a52061436/2c0a5a9f92374a45b4eb04c3e2138bab/FLAG87649aa1c [2022-11-26 00:11:59,703 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/bin/utaipan-ByfvJB40ur/data/a52061436/2c0a5a9f92374a45b4eb04c3e2138bab [2022-11-26 00:11:59,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:11:59,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:11:59,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:11:59,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:11:59,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:11:59,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:11:59" (1/1) ... [2022-11-26 00:11:59,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5cdfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:59, skipping insertion in model container [2022-11-26 00:11:59,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:11:59" (1/1) ... [2022-11-26 00:11:59,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:11:59,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:12:00,982 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:12:00,991 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:12:01,001 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:12:01,034 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:12:01,078 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_get [2022-11-26 00:12:01,080 WARN L623 FunctionHandler]: Unknown extern function pinctrl_lookup_state [2022-11-26 00:12:01,081 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_put [2022-11-26 00:12:01,082 WARN L623 FunctionHandler]: Unknown extern function pinctrl_select_state [2022-11-26 00:12:01,083 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_put [2022-11-26 00:12:01,193 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:01,266 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:12:01,271 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:12:01,273 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:12:01,293 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:12:01,301 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 00:12:01,335 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:12:01,345 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:12:01,348 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:12:01,400 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 00:12:01,428 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-11-26 00:12:01,436 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-11-26 00:12:01,471 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:12:01,481 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:12:01,483 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:12:01,546 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:12:01,547 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:12:01,558 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:12:01,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:12:01,609 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:12:01,615 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:12:01,775 WARN L623 FunctionHandler]: Unknown extern function gpio_to_desc [2022-11-26 00:12:01,776 WARN L623 FunctionHandler]: Unknown extern function gpiod_to_irq [2022-11-26 00:12:01,795 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-11-26 00:12:01,842 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:12:01,856 WARN L623 FunctionHandler]: Unknown extern function mdiobus_alloc_size [2022-11-26 00:12:01,999 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:12:02,037 WARN L623 FunctionHandler]: Unknown extern function clk_round_rate [2022-11-26 00:12:02,040 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:12:02,041 WARN L623 FunctionHandler]: Unknown extern function clk_set_rate [2022-11-26 00:12:02,041 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:02,047 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:12:02,053 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:12:02,053 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:12:02,055 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:12:02,055 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:12:02,061 WARN L623 FunctionHandler]: Unknown extern function phy_find_first [2022-11-26 00:12:02,061 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:02,063 WARN L623 FunctionHandler]: Unknown extern function devm_gpio_request [2022-11-26 00:12:02,064 WARN L623 FunctionHandler]: Unknown extern function phy_connect_direct [2022-11-26 00:12:02,065 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:02,073 WARN L623 FunctionHandler]: Unknown extern function phy_find_first [2022-11-26 00:12:02,074 WARN L623 FunctionHandler]: Unknown extern function mdiobus_scan [2022-11-26 00:12:02,076 WARN L623 FunctionHandler]: Unknown extern function mdiobus_register [2022-11-26 00:12:02,077 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-11-26 00:12:02,078 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:12:02,078 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-11-26 00:12:02,085 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:12:02,091 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-11-26 00:12:02,092 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-11-26 00:12:02,098 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:02,100 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:02,101 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:12:02,118 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:02,119 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:12:02,132 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:02,133 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:02,135 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:12:02,136 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:12:02,137 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-26 00:12:02,143 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:12:02,146 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:12:02,147 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-26 00:12:02,159 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-26 00:12:02,168 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:12:02,174 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:02,179 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:12:02,180 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:12:02,180 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-26 00:12:02,186 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:12:02,186 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:02,189 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:02,195 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:12:02,205 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:02,206 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:02,215 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:12:02,225 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:12:02,240 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:02,247 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:02,255 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:02,257 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:02,282 WARN L623 FunctionHandler]: Unknown extern function clk_get_rate [2022-11-26 00:12:02,288 WARN L623 FunctionHandler]: Unknown extern function clk_get_rate [2022-11-26 00:12:02,363 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:02,365 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:12:02,365 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:02,367 WARN L623 FunctionHandler]: Unknown extern function phy_start [2022-11-26 00:12:02,373 WARN L623 FunctionHandler]: Unknown extern function phy_stop [2022-11-26 00:12:02,373 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:12:02,373 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:12:02,395 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_gset [2022-11-26 00:12:02,399 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_sset [2022-11-26 00:12:02,414 WARN L623 FunctionHandler]: Unknown extern function phy_mii_ioctl [2022-11-26 00:12:02,420 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-26 00:12:02,421 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:02,422 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:12:02,423 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:12:02,423 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:12:02,423 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:12:02,424 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-11-26 00:12:02,425 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:02,426 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-11-26 00:12:02,427 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:02,427 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-11-26 00:12:02,428 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:02,431 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:02,431 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:02,433 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap [2022-11-26 00:12:02,433 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:02,434 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-26 00:12:02,434 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:02,435 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-26 00:12:02,444 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:02,445 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:12:02,445 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:12:02,448 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:12:02,454 WARN L623 FunctionHandler]: Unknown extern function phy_disconnect [2022-11-26 00:12:02,454 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-11-26 00:12:02,454 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:12:02,455 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-11-26 00:12:02,460 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:12:02,461 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:12:02,466 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:12:02,771 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,771 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,771 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,772 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,772 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,772 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,772 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,773 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,773 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,773 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,773 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,774 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-11-26 00:12:02,775 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 00:12:02,776 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:12:02,776 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:12:02,777 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:12:02,779 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:12:02,781 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:12:02,782 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:12:02,784 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:12:02,784 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:12:02,790 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:12:02,803 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:12:02,813 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:12:02,814 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:12:02,814 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:12:02,815 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:12:02,815 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:12:02,815 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:12:02,816 WARN L623 FunctionHandler]: Unknown extern function platform_driver_probe [2022-11-26 00:12:02,817 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-26 00:12:02,853 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:12:02,853 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:12:02,860 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:12:02,958 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_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2022-11-26 00:12:02,963 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,964 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,965 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,979 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,980 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,980 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,989 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,992 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,992 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,995 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,996 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:02,999 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:12:03,048 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:12:03,181 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:12:03,182 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:12:03,182 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:12:03,183 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:12:03,184 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_get [2022-11-26 00:12:03,184 WARN L623 FunctionHandler]: Unknown extern function pinctrl_lookup_state [2022-11-26 00:12:03,184 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_put [2022-11-26 00:12:03,185 WARN L623 FunctionHandler]: Unknown extern function pinctrl_select_state [2022-11-26 00:12:03,186 WARN L623 FunctionHandler]: Unknown extern function devm_pinctrl_put [2022-11-26 00:12:03,189 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,197 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:12:03,198 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:12:03,198 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:12:03,200 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:12:03,200 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 00:12:03,203 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:12:03,204 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:12:03,204 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:12:03,206 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-26 00:12:03,207 WARN L623 FunctionHandler]: Unknown extern function skb_tstamp_tx [2022-11-26 00:12:03,208 WARN L623 FunctionHandler]: Unknown extern function skb_clone_tx_timestamp [2022-11-26 00:12:03,209 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:12:03,209 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:12:03,210 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:12:03,212 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-26 00:12:03,212 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-26 00:12:03,213 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:12:03,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:12:03,215 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:12:03,215 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:12:03,216 WARN L623 FunctionHandler]: Unknown extern function gpio_to_desc [2022-11-26 00:12:03,216 WARN L623 FunctionHandler]: Unknown extern function gpiod_to_irq [2022-11-26 00:12:03,217 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-11-26 00:12:03,218 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:12:03,219 WARN L623 FunctionHandler]: Unknown extern function mdiobus_alloc_size [2022-11-26 00:12:03,229 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:12:03,233 WARN L623 FunctionHandler]: Unknown extern function clk_round_rate [2022-11-26 00:12:03,233 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:12:03,234 WARN L623 FunctionHandler]: Unknown extern function clk_set_rate [2022-11-26 00:12:03,234 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:03,235 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:12:03,237 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:12:03,237 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:12:03,238 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:12:03,238 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:12:03,239 WARN L623 FunctionHandler]: Unknown extern function phy_find_first [2022-11-26 00:12:03,239 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:03,240 WARN L623 FunctionHandler]: Unknown extern function devm_gpio_request [2022-11-26 00:12:03,240 WARN L623 FunctionHandler]: Unknown extern function phy_connect_direct [2022-11-26 00:12:03,241 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:03,247 WARN L623 FunctionHandler]: Unknown extern function phy_find_first [2022-11-26 00:12:03,247 WARN L623 FunctionHandler]: Unknown extern function mdiobus_scan [2022-11-26 00:12:03,248 WARN L623 FunctionHandler]: Unknown extern function mdiobus_register [2022-11-26 00:12:03,249 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-11-26 00:12:03,249 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:12:03,249 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-11-26 00:12:03,251 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:12:03,252 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-11-26 00:12:03,253 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-11-26 00:12:03,253 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:03,254 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:03,255 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:12:03,259 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:03,260 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:12:03,262 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:03,263 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:03,264 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:12:03,264 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:12:03,265 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-26 00:12:03,266 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:12:03,267 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:12:03,268 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-26 00:12:03,317 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-26 00:12:03,319 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:12:03,320 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:03,321 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:12:03,321 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:12:03,321 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-26 00:12:03,322 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:12:03,323 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:03,323 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:03,324 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:12:03,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:03,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:03,330 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:12:03,331 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:12:03,336 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:03,338 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:03,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:03,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:03,348 WARN L623 FunctionHandler]: Unknown extern function clk_get_rate [2022-11-26 00:12:03,349 WARN L623 FunctionHandler]: Unknown extern function clk_get_rate [2022-11-26 00:12:03,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:12:03,361 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:12:03,362 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:12:03,365 WARN L623 FunctionHandler]: Unknown extern function phy_start [2022-11-26 00:12:03,366 WARN L623 FunctionHandler]: Unknown extern function phy_stop [2022-11-26 00:12:03,367 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:12:03,367 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:12:03,372 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_gset [2022-11-26 00:12:03,373 WARN L623 FunctionHandler]: Unknown extern function phy_ethtool_sset [2022-11-26 00:12:03,377 WARN L623 FunctionHandler]: Unknown extern function phy_mii_ioctl [2022-11-26 00:12:03,379 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-26 00:12:03,379 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:03,380 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:12:03,382 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:12:03,382 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:12:03,383 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:12:03,383 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-11-26 00:12:03,384 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:03,384 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-11-26 00:12:03,385 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:03,386 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-11-26 00:12:03,386 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:03,387 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:03,387 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:03,388 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap [2022-11-26 00:12:03,388 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:03,389 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-26 00:12:03,389 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:03,390 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-26 00:12:03,415 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:12:03,415 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:12:03,416 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:12:03,417 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:12:03,418 WARN L623 FunctionHandler]: Unknown extern function phy_disconnect [2022-11-26 00:12:03,419 WARN L623 FunctionHandler]: Unknown extern function mdiobus_unregister [2022-11-26 00:12:03,419 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:12:03,419 WARN L623 FunctionHandler]: Unknown extern function mdiobus_free [2022-11-26 00:12:03,420 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:12:03,421 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:12:03,422 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:12:03,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,427 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,429 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,430 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,430 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,430 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,431 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,431 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_ts_info [2022-11-26 00:12:03,432 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 00:12:03,432 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:12:03,433 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:12:03,434 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:12:03,435 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:12:03,436 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:12:03,437 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:12:03,438 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:12:03,438 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:12:03,442 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:12:03,470 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:12:03,479 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:12:03,480 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:12:03,480 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:12:03,481 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:12:03,481 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:12:03,481 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:12:03,482 WARN L623 FunctionHandler]: Unknown extern function platform_driver_probe [2022-11-26 00:12:03,482 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-26 00:12:03,532 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-26 00:12:03,533 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:12:03,533 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:12:03,539 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_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[336326,336339] [2022-11-26 00:12:03,539 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,542 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,543 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,544 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,545 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,545 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,546 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,547 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,547 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,548 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,549 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,549 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:12:03,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:12:03,706 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:12:03,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03 WrapperNode [2022-11-26 00:12:03,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:12:03,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:12:03,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:12:03,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:12:03,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (1/1) ... [2022-11-26 00:12:03,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (1/1) ... [2022-11-26 00:12:04,091 INFO L138 Inliner]: procedures = 426, calls = 2225, calls flagged for inlining = 256, calls inlined = 245, statements flattened = 6046 [2022-11-26 00:12:04,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:12:04,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:12:04,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:12:04,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:12:04,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (1/1) ... [2022-11-26 00:12:04,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (1/1) ... [2022-11-26 00:12:04,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (1/1) ... [2022-11-26 00:12:04,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (1/1) ... [2022-11-26 00:12:04,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (1/1) ... [2022-11-26 00:12:04,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (1/1) ... [2022-11-26 00:12:04,373 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (1/1) ... [2022-11-26 00:12:04,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (1/1) ... [2022-11-26 00:12:04,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:12:04,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:12:04,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:12:04,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:12:04,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (1/1) ... [2022-11-26 00:12:04,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:12:04,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:12:04,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:12:04,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3be5f36-d782-47c3-b2b3-c9bcefb221bc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:12:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:12:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:12:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-26 00:12:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-26 00:12:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-26 00:12:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-26 00:12:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:12:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:12:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2022-11-26 00:12:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2022-11-26 00:12:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-26 00:12:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-26 00:12:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-26 00:12:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-26 00:12:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-26 00:12:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-26 00:12:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2022-11-26 00:12:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2022-11-26 00:12:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2022-11-26 00:12:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2022-11-26 00:12:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:12:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:12:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2022-11-26 00:12:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2022-11-26 00:12:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:12:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:12:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-26 00:12:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-26 00:12:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-26 00:12:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-26 00:12:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:12:04,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:12:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-26 00:12:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-26 00:12:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 00:12:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 00:12:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:12:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2022-11-26 00:12:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2022-11-26 00:12:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:12:04,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:12:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-26 00:12:04,537 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-26 00:12:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:12:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:12:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:12:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-26 00:12:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-26 00:12:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 00:12:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 00:12:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-26 00:12:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-26 00:12:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:12:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:12:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:12:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:12:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-26 00:12:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-26 00:12:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2022-11-26 00:12:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2022-11-26 00:12:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:12:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:12:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-26 00:12:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-26 00:12:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-26 00:12:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-26 00:12:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2022-11-26 00:12:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2022-11-26 00:12:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 00:12:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 00:12:04,542 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2022-11-26 00:12:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2022-11-26 00:12:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2022-11-26 00:12:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2022-11-26 00:12:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:12:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-26 00:12:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-26 00:12:04,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-26 00:12:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-26 00:12:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-26 00:12:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-26 00:12:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-26 00:12:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-26 00:12:04,544 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2022-11-26 00:12:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2022-11-26 00:12:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-26 00:12:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-26 00:12:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:12:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:12:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:12:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2022-11-26 00:12:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2022-11-26 00:12:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:12:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:12:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:12:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:12:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:12:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-26 00:12:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-26 00:12:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:12:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:12:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-26 00:12:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-26 00:12:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 00:12:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 00:12:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-26 00:12:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-26 00:12:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-26 00:12:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-26 00:12:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:12:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:12:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:12:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:12:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-26 00:12:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-26 00:12:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:12:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:12:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:12:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:12:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-26 00:12:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-26 00:12:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2022-11-26 00:12:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2022-11-26 00:12:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-26 00:12:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-26 00:12:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2022-11-26 00:12:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2022-11-26 00:12:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-26 00:12:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-26 00:12:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2022-11-26 00:12:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2022-11-26 00:12:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2022-11-26 00:12:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2022-11-26 00:12:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-26 00:12:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-26 00:12:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2022-11-26 00:12:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2022-11-26 00:12:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2022-11-26 00:12:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2022-11-26 00:12:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2022-11-26 00:12:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2022-11-26 00:12:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2022-11-26 00:12:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2022-11-26 00:12:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2022-11-26 00:12:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2022-11-26 00:12:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2022-11-26 00:12:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2022-11-26 00:12:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2022-11-26 00:12:04,558 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2022-11-26 00:12:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-26 00:12:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-26 00:12:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-26 00:12:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-26 00:12:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2022-11-26 00:12:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2022-11-26 00:12:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:12:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-11-26 00:12:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-11-26 00:12:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-26 00:12:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-26 00:12:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-26 00:12:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-26 00:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-11-26 00:12:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-11-26 00:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2022-11-26 00:12:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2022-11-26 00:12:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-11-26 00:12:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-11-26 00:12:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:12:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2022-11-26 00:12:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2022-11-26 00:12:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2022-11-26 00:12:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2022-11-26 00:12:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-26 00:12:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-26 00:12:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-26 00:12:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-26 00:12:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2022-11-26 00:12:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2022-11-26 00:12:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 00:12:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 00:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2022-11-26 00:12:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2022-11-26 00:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-11-26 00:12:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-11-26 00:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:12:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:12:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2022-11-26 00:12:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2022-11-26 00:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:12:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-26 00:12:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-26 00:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-26 00:12:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-26 00:12:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 00:12:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 00:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2022-11-26 00:12:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2022-11-26 00:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-26 00:12:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-26 00:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:12:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:12:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:12:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2022-11-26 00:12:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2022-11-26 00:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-26 00:12:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-26 00:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2022-11-26 00:12:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2022-11-26 00:12:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2022-11-26 00:12:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2022-11-26 00:12:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2022-11-26 00:12:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2022-11-26 00:12:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-26 00:12:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-26 00:12:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-11-26 00:12:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-11-26 00:12:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:12:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:12:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-11-26 00:12:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-11-26 00:12:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-26 00:12:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-26 00:12:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:12:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 00:12:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 00:12:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-26 00:12:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-26 00:12:05,640 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:12:05,643 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:12:05,726 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:12:13,070 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 00:12:13,170 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:12:14,727 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:12:14,727 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:12:14,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:12:14 BoogieIcfgContainer [2022-11-26 00:12:14,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:12:14,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:12:14,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:12:14,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:12:14,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:11:59" (1/3) ... [2022-11-26 00:12:14,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53cdc056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:12:14, skipping insertion in model container [2022-11-26 00:12:14,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:03" (2/3) ... [2022-11-26 00:12:14,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53cdc056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:12:14, skipping insertion in model container [2022-11-26 00:12:14,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:12:14" (3/3) ... [2022-11-26 00:12:14,745 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2022-11-26 00:12:14,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:12:14,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:12:14,910 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:12:14,922 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;@6d8e61b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:12:14,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:12:14,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 1610 states, 980 states have (on average 1.2948979591836736) internal successors, (1269), 998 states have internal predecessors, (1269), 522 states have call successors, (522), 108 states have call predecessors, (522), 107 states have return successors, (515), 510 states have call predecessors, (515), 515 states have call successors, (515) [2022-11-26 00:12:14,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-26 00:12:14,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:14,965 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:14,966 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:14,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:14,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1041916153, now seen corresponding path program 1 times [2022-11-26 00:12:14,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:14,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080523370] [2022-11-26 00:12:14,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:14,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-11-26 00:12:15,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:15,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080523370] [2022-11-26 00:12:15,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080523370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:15,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:15,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:12:15,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270135498] [2022-11-26 00:12:15,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:15,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:12:15,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:15,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:12:15,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:12:15,968 INFO L87 Difference]: Start difference. First operand has 1610 states, 980 states have (on average 1.2948979591836736) internal successors, (1269), 998 states have internal predecessors, (1269), 522 states have call successors, (522), 108 states have call predecessors, (522), 107 states have return successors, (515), 510 states have call predecessors, (515), 515 states have call successors, (515) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 00:12:18,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:20,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:22,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:22,122 INFO L93 Difference]: Finished difference Result 4727 states and 6782 transitions. [2022-11-26 00:12:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:12:22,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127 [2022-11-26 00:12:22,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:22,167 INFO L225 Difference]: With dead ends: 4727 [2022-11-26 00:12:22,167 INFO L226 Difference]: Without dead ends: 3128 [2022-11-26 00:12:22,180 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 00:12:22,183 INFO L413 NwaCegarLoop]: 2463 mSDtfsCounter, 2225 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2225 SdHoareTripleChecker+Valid, 4403 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:22,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2225 Valid, 4403 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 673 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-26 00:12:22,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3128 states. [2022-11-26 00:12:22,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3128 to 3128. [2022-11-26 00:12:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3128 states, 1914 states have (on average 1.2920585161964473) internal successors, (2473), 1950 states have internal predecessors, (2473), 1002 states have call successors, (1002), 212 states have call predecessors, (1002), 211 states have return successors, (999), 989 states have call predecessors, (999), 999 states have call successors, (999) [2022-11-26 00:12:22,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 4474 transitions. [2022-11-26 00:12:22,516 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 4474 transitions. Word has length 127 [2022-11-26 00:12:22,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:22,517 INFO L495 AbstractCegarLoop]: Abstraction has 3128 states and 4474 transitions. [2022-11-26 00:12:22,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 00:12:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 4474 transitions. [2022-11-26 00:12:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-26 00:12:22,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:22,530 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 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] [2022-11-26 00:12:22,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:12:22,530 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:22,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:22,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1119650744, now seen corresponding path program 1 times [2022-11-26 00:12:22,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:22,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525318774] [2022-11-26 00:12:22,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:22,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:23,202 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2022-11-26 00:12:23,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:23,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525318774] [2022-11-26 00:12:23,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525318774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:23,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:23,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:12:23,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153293760] [2022-11-26 00:12:23,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:23,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:12:23,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:23,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:12:23,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:12:23,208 INFO L87 Difference]: Start difference. First operand 3128 states and 4474 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:12:25,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:29,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:29,675 INFO L93 Difference]: Finished difference Result 3134 states and 4479 transitions. [2022-11-26 00:12:29,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:12:29,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 165 [2022-11-26 00:12:29,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:29,699 INFO L225 Difference]: With dead ends: 3134 [2022-11-26 00:12:29,699 INFO L226 Difference]: Without dead ends: 3132 [2022-11-26 00:12:29,702 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 00:12:29,703 INFO L413 NwaCegarLoop]: 1943 mSDtfsCounter, 2241 mSDsluCounter, 3881 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2244 SdHoareTripleChecker+Valid, 5824 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:29,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2244 Valid, 5824 Invalid, 1014 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-26 00:12:29,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3132 states. [2022-11-26 00:12:29,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3132 to 3132. [2022-11-26 00:12:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3132 states, 1917 states have (on average 1.291601460615545) internal successors, (2476), 1953 states have internal predecessors, (2476), 1002 states have call successors, (1002), 213 states have call predecessors, (1002), 212 states have return successors, (999), 989 states have call predecessors, (999), 999 states have call successors, (999) [2022-11-26 00:12:29,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 4477 transitions. [2022-11-26 00:12:29,911 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 4477 transitions. Word has length 165 [2022-11-26 00:12:29,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:29,913 INFO L495 AbstractCegarLoop]: Abstraction has 3132 states and 4477 transitions. [2022-11-26 00:12:29,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:12:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 4477 transitions. [2022-11-26 00:12:29,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-26 00:12:29,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:29,927 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:12:29,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:12:29,928 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:29,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:29,929 INFO L85 PathProgramCache]: Analyzing trace with hash -827870896, now seen corresponding path program 1 times [2022-11-26 00:12:29,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:29,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468537208] [2022-11-26 00:12:29,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:29,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:30,607 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2022-11-26 00:12:30,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:30,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468537208] [2022-11-26 00:12:30,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468537208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:30,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:30,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:12:30,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803999622] [2022-11-26 00:12:30,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:30,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:12:30,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:30,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:12:30,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:12:30,616 INFO L87 Difference]: Start difference. First operand 3132 states and 4477 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:12:36,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:39,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:39,950 INFO L93 Difference]: Finished difference Result 6037 states and 8721 transitions. [2022-11-26 00:12:39,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:12:39,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 170 [2022-11-26 00:12:39,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:39,999 INFO L225 Difference]: With dead ends: 6037 [2022-11-26 00:12:40,000 INFO L226 Difference]: Without dead ends: 6035 [2022-11-26 00:12:40,004 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 00:12:40,005 INFO L413 NwaCegarLoop]: 2484 mSDtfsCounter, 2140 mSDsluCounter, 6871 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2142 SdHoareTripleChecker+Valid, 9355 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:40,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2142 Valid, 9355 Invalid, 1378 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-11-26 00:12:40,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6035 states. [2022-11-26 00:12:40,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6035 to 5989. [2022-11-26 00:12:40,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5989 states, 3666 states have (on average 1.2956901254773596) internal successors, (4750), 3754 states have internal predecessors, (4750), 1909 states have call successors, (1909), 415 states have call predecessors, (1909), 413 states have return successors, (1999), 1865 states have call predecessors, (1999), 1903 states have call successors, (1999) [2022-11-26 00:12:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5989 states to 5989 states and 8658 transitions. [2022-11-26 00:12:40,450 INFO L78 Accepts]: Start accepts. Automaton has 5989 states and 8658 transitions. Word has length 170 [2022-11-26 00:12:40,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:40,451 INFO L495 AbstractCegarLoop]: Abstraction has 5989 states and 8658 transitions. [2022-11-26 00:12:40,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:12:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand 5989 states and 8658 transitions. [2022-11-26 00:12:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-26 00:12:40,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:40,461 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:12:40,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:12:40,461 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:40,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:40,462 INFO L85 PathProgramCache]: Analyzing trace with hash -220100273, now seen corresponding path program 1 times [2022-11-26 00:12:40,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:40,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070023229] [2022-11-26 00:12:40,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:40,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2022-11-26 00:12:41,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:41,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070023229] [2022-11-26 00:12:41,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070023229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:41,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:41,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:12:41,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164820236] [2022-11-26 00:12:41,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:41,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:12:41,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:41,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:12:41,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:12:41,087 INFO L87 Difference]: Start difference. First operand 5989 states and 8658 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:12:44,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:47,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:50,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:12:53,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:53,366 INFO L93 Difference]: Finished difference Result 11661 states and 17123 transitions. [2022-11-26 00:12:53,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:12:53,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 184 [2022-11-26 00:12:53,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:53,455 INFO L225 Difference]: With dead ends: 11661 [2022-11-26 00:12:53,456 INFO L226 Difference]: Without dead ends: 11657 [2022-11-26 00:12:53,465 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 00:12:53,468 INFO L413 NwaCegarLoop]: 2483 mSDtfsCounter, 2124 mSDsluCounter, 6875 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2125 SdHoareTripleChecker+Valid, 9358 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:53,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2125 Valid, 9358 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1372 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2022-11-26 00:12:53,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11657 states. [2022-11-26 00:12:54,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11657 to 11591. [2022-11-26 00:12:54,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11591 states, 7104 states have (on average 1.2988457207207207) internal successors, (9227), 7293 states have internal predecessors, (9227), 3685 states have call successors, (3685), 812 states have call predecessors, (3685), 801 states have return successors, (4121), 3573 states have call predecessors, (4121), 3673 states have call successors, (4121) [2022-11-26 00:12:54,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11591 states to 11591 states and 17033 transitions. [2022-11-26 00:12:54,357 INFO L78 Accepts]: Start accepts. Automaton has 11591 states and 17033 transitions. Word has length 184 [2022-11-26 00:12:54,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:54,358 INFO L495 AbstractCegarLoop]: Abstraction has 11591 states and 17033 transitions. [2022-11-26 00:12:54,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:12:54,359 INFO L276 IsEmpty]: Start isEmpty. Operand 11591 states and 17033 transitions. [2022-11-26 00:12:54,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-26 00:12:54,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:54,371 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 4, 4, 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] [2022-11-26 00:12:54,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:12:54,371 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:54,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:54,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1506296336, now seen corresponding path program 1 times [2022-11-26 00:12:54,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:54,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41290410] [2022-11-26 00:12:54,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:54,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2022-11-26 00:12:54,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:54,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41290410] [2022-11-26 00:12:54,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41290410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:54,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:54,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:12:54,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215310373] [2022-11-26 00:12:54,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:54,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:12:54,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:54,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:12:54,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:12:54,886 INFO L87 Difference]: Start difference. First operand 11591 states and 17033 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:13:00,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:02,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:04,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:04,560 INFO L93 Difference]: Finished difference Result 23153 states and 34811 transitions. [2022-11-26 00:13:04,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:13:04,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2022-11-26 00:13:04,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:04,715 INFO L225 Difference]: With dead ends: 23153 [2022-11-26 00:13:04,715 INFO L226 Difference]: Without dead ends: 23101 [2022-11-26 00:13:04,737 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 00:13:04,738 INFO L413 NwaCegarLoop]: 2485 mSDtfsCounter, 2262 mSDsluCounter, 6897 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2262 SdHoareTripleChecker+Valid, 9382 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:04,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2262 Valid, 9382 Invalid, 1344 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1339 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-11-26 00:13:04,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23101 states. [2022-11-26 00:13:06,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23101 to 23085. [2022-11-26 00:13:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23085 states, 14153 states have (on average 1.2995831272521727) internal successors, (18393), 14534 states have internal predecessors, (18393), 7339 states have call successors, (7339), 1614 states have call predecessors, (7339), 1592 states have return successors, (8998), 7112 states have call predecessors, (8998), 7318 states have call successors, (8998) [2022-11-26 00:13:06,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23085 states to 23085 states and 34730 transitions. [2022-11-26 00:13:06,551 INFO L78 Accepts]: Start accepts. Automaton has 23085 states and 34730 transitions. Word has length 180 [2022-11-26 00:13:06,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:06,552 INFO L495 AbstractCegarLoop]: Abstraction has 23085 states and 34730 transitions. [2022-11-26 00:13:06,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:13:06,553 INFO L276 IsEmpty]: Start isEmpty. Operand 23085 states and 34730 transitions. [2022-11-26 00:13:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-26 00:13:06,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:06,597 INFO L195 NwaCegarLoop]: trace histogram [18, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:13:06,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:13:06,597 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:13:06,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:06,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1760196105, now seen corresponding path program 1 times [2022-11-26 00:13:06,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:06,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883709550] [2022-11-26 00:13:06,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:06,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2022-11-26 00:13:07,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:07,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883709550] [2022-11-26 00:13:07,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883709550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:07,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:13:07,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:13:07,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955216341] [2022-11-26 00:13:07,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:07,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:13:07,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:07,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:13:07,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:13:07,129 INFO L87 Difference]: Start difference. First operand 23085 states and 34730 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-26 00:13:09,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:13,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:15,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:15,994 INFO L93 Difference]: Finished difference Result 65757 states and 97476 transitions. [2022-11-26 00:13:15,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:13:15,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 223 [2022-11-26 00:13:15,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:16,242 INFO L225 Difference]: With dead ends: 65757 [2022-11-26 00:13:16,242 INFO L226 Difference]: Without dead ends: 42695 [2022-11-26 00:13:16,387 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 00:13:16,388 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 2042 mSDsluCounter, 1893 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2042 SdHoareTripleChecker+Valid, 4850 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:16,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2042 Valid, 4850 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 831 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-26 00:13:16,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42695 states. [2022-11-26 00:13:19,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42695 to 42550. [2022-11-26 00:13:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42550 states, 25980 states have (on average 1.2826789838337183) internal successors, (33324), 26667 states have internal predecessors, (33324), 13485 states have call successors, (13485), 3072 states have call predecessors, (13485), 3084 states have return successors, (15374), 13162 states have call predecessors, (15374), 13464 states have call successors, (15374) [2022-11-26 00:13:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42550 states to 42550 states and 62183 transitions. [2022-11-26 00:13:19,971 INFO L78 Accepts]: Start accepts. Automaton has 42550 states and 62183 transitions. Word has length 223 [2022-11-26 00:13:19,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:19,971 INFO L495 AbstractCegarLoop]: Abstraction has 42550 states and 62183 transitions. [2022-11-26 00:13:19,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-26 00:13:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 42550 states and 62183 transitions. [2022-11-26 00:13:20,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-26 00:13:20,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:20,014 INFO L195 NwaCegarLoop]: trace histogram [16, 11, 11, 11, 11, 11, 11, 3, 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] [2022-11-26 00:13:20,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:13:20,014 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:13:20,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:20,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1359873040, now seen corresponding path program 1 times [2022-11-26 00:13:20,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:20,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962445642] [2022-11-26 00:13:20,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:20,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2022-11-26 00:13:26,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:26,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962445642] [2022-11-26 00:13:26,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962445642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:26,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:13:26,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:13:26,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365663253] [2022-11-26 00:13:26,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:26,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:13:26,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:26,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:13:26,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:13:26,612 INFO L87 Difference]: Start difference. First operand 42550 states and 62183 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-26 00:13:35,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:35,271 INFO L93 Difference]: Finished difference Result 122204 states and 180993 transitions. [2022-11-26 00:13:35,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:13:35,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 221 [2022-11-26 00:13:35,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:35,882 INFO L225 Difference]: With dead ends: 122204 [2022-11-26 00:13:35,883 INFO L226 Difference]: Without dead ends: 79677 [2022-11-26 00:13:36,292 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 00:13:36,293 INFO L413 NwaCegarLoop]: 2420 mSDtfsCounter, 2007 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2007 SdHoareTripleChecker+Valid, 4339 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:36,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2007 Valid, 4339 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-26 00:13:36,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79677 states. [2022-11-26 00:13:41,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79677 to 79508. [2022-11-26 00:13:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79508 states, 48446 states have (on average 1.2738719398918383) internal successors, (61714), 49793 states have internal predecessors, (61714), 25093 states have call successors, (25093), 5968 states have call predecessors, (25093), 5968 states have return successors, (31704), 24362 states have call predecessors, (31704), 25072 states have call successors, (31704) [2022-11-26 00:13:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79508 states to 79508 states and 118511 transitions. [2022-11-26 00:13:42,743 INFO L78 Accepts]: Start accepts. Automaton has 79508 states and 118511 transitions. Word has length 221 [2022-11-26 00:13:42,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:42,743 INFO L495 AbstractCegarLoop]: Abstraction has 79508 states and 118511 transitions. [2022-11-26 00:13:42,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-26 00:13:42,744 INFO L276 IsEmpty]: Start isEmpty. Operand 79508 states and 118511 transitions. [2022-11-26 00:13:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-26 00:13:42,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:42,793 INFO L195 NwaCegarLoop]: trace histogram [19, 11, 11, 11, 11, 11, 11, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:42,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:13:42,794 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:13:42,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:42,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1021883329, now seen corresponding path program 1 times [2022-11-26 00:13:42,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:42,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781052070] [2022-11-26 00:13:42,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:42,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2022-11-26 00:13:43,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:43,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781052070] [2022-11-26 00:13:43,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781052070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:43,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:13:43,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:13:43,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787843172] [2022-11-26 00:13:43,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:43,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:13:43,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:43,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:13:43,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:13:43,150 INFO L87 Difference]: Start difference. First operand 79508 states and 118511 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-26 00:13:49,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:52,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:13:55,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:55,147 INFO L93 Difference]: Finished difference Result 148278 states and 221132 transitions. [2022-11-26 00:13:55,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:13:55,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 249 [2022-11-26 00:13:55,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:55,623 INFO L225 Difference]: With dead ends: 148278 [2022-11-26 00:13:55,623 INFO L226 Difference]: Without dead ends: 68793 [2022-11-26 00:13:55,977 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 00:13:55,979 INFO L413 NwaCegarLoop]: 3589 mSDtfsCounter, 2160 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2160 SdHoareTripleChecker+Valid, 5511 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:55,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2160 Valid, 5511 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 959 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-11-26 00:13:56,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68793 states. [2022-11-26 00:13:59,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68793 to 68655. [2022-11-26 00:13:59,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68655 states, 42115 states have (on average 1.2715896948830583) internal successors, (53553), 43330 states have internal predecessors, (53553), 21268 states have call successors, (21268), 5297 states have call predecessors, (21268), 5271 states have return successors, (27329), 20555 states have call predecessors, (27329), 21247 states have call successors, (27329) [2022-11-26 00:14:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68655 states to 68655 states and 102150 transitions. [2022-11-26 00:14:00,424 INFO L78 Accepts]: Start accepts. Automaton has 68655 states and 102150 transitions. Word has length 249 [2022-11-26 00:14:00,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:00,425 INFO L495 AbstractCegarLoop]: Abstraction has 68655 states and 102150 transitions. [2022-11-26 00:14:00,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-26 00:14:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 68655 states and 102150 transitions. [2022-11-26 00:14:00,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-26 00:14:00,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:00,449 INFO L195 NwaCegarLoop]: trace histogram [19, 11, 11, 11, 11, 11, 11, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:14:00,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:14:00,449 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:14:00,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:00,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1528587930, now seen corresponding path program 1 times [2022-11-26 00:14:00,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:00,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631812203] [2022-11-26 00:14:00,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:00,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2022-11-26 00:14:00,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:00,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631812203] [2022-11-26 00:14:00,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631812203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:00,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:00,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:14:00,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316557060] [2022-11-26 00:14:00,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:00,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:14:00,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:00,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:14:00,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:14:00,725 INFO L87 Difference]: Start difference. First operand 68655 states and 102150 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-26 00:14:07,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:09,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:11,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:14:13,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:13,673 INFO L93 Difference]: Finished difference Result 165264 states and 246335 transitions. [2022-11-26 00:14:13,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:14:13,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 248 [2022-11-26 00:14:13,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:14,343 INFO L225 Difference]: With dead ends: 165264 [2022-11-26 00:14:14,343 INFO L226 Difference]: Without dead ends: 96865 [2022-11-26 00:14:14,661 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 00:14:14,661 INFO L413 NwaCegarLoop]: 3784 mSDtfsCounter, 2159 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2159 SdHoareTripleChecker+Valid, 5702 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:14,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2159 Valid, 5702 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1013 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-11-26 00:14:15,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96865 states.