./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:22:27,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:22:27,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:22:27,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:22:27,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:22:27,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:22:27,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:22:27,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:22:27,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:22:27,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:22:27,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:22:27,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:22:27,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:22:27,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:22:27,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:22:27,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:22:27,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:22:27,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:22:27,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:22:27,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:22:27,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:22:27,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:22:27,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:22:27,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:22:27,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:22:27,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:22:27,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:22:27,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:22:27,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:22:27,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:22:27,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:22:27,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:22:27,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:22:27,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:22:27,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:22:27,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:22:27,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:22:27,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:22:27,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:22:27,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:22:27,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:22:27,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:22:27,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:22:27,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:22:27,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:22:27,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:22:27,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:22:27,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:22:27,768 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:22:27,768 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:22:27,769 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:22:27,769 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:22:27,769 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:22:27,769 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:22:27,769 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:22:27,769 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:22:27,769 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:22:27,769 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:22:27,770 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:22:27,770 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:22:27,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:22:27,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:22:27,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:22:27,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:22:27,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:22:27,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:22:27,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:22:27,771 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:22:27,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:22:27,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:22:27,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:22:27,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:22:27,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:22:27,772 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:22:27,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:22:27,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:22:27,772 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:22:27,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:22:27,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:22:27,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:22:27,773 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 [2022-12-14 07:22:27,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:22:27,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:22:27,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:22:27,956 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:22:27,956 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:22:27,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-12-14 07:22:30,518 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:22:30,910 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:22:30,911 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-12-14 07:22:30,940 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/data/36b59bb8c/9de5c152bc6c4df0bd44426aab12d9b0/FLAG0c6f30c66 [2022-12-14 07:22:31,092 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/data/36b59bb8c/9de5c152bc6c4df0bd44426aab12d9b0 [2022-12-14 07:22:31,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:22:31,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:22:31,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:22:31,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:22:31,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:22:31,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:22:31" (1/1) ... [2022-12-14 07:22:31,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a916311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:31, skipping insertion in model container [2022-12-14 07:22:31,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:22:31" (1/1) ... [2022-12-14 07:22:31,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:22:31,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:22:31,845 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 07:22:31,850 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 07:22:31,948 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 07:22:31,956 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday64 [2022-12-14 07:22:32,010 WARN L623 FunctionHandler]: Unknown extern function __mmc_claim_host [2022-12-14 07:22:32,098 WARN L623 FunctionHandler]: Unknown extern function mmc_set_blocklen [2022-12-14 07:22:32,109 WARN L623 FunctionHandler]: Unknown extern function mmc_set_data_timeout [2022-12-14 07:22:32,124 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_cmd [2022-12-14 07:22:32,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,141 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,142 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-12-14 07:22:32,148 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 07:22:32,149 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:32,150 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:32,155 WARN L623 FunctionHandler]: Unknown extern function nr_free_buffer_pages [2022-12-14 07:22:32,163 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 07:22:32,165 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 07:22:32,171 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 07:22:32,173 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 07:22:32,173 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 07:22:32,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,253 WARN L623 FunctionHandler]: Unknown extern function mmc_start_req [2022-12-14 07:22:32,254 WARN L623 FunctionHandler]: Unknown extern function mmc_start_req [2022-12-14 07:22:32,262 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-12-14 07:22:32,269 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,270 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-12-14 07:22:32,275 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 07:22:32,275 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-12-14 07:22:32,275 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 07:22:32,276 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 07:22:32,278 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 07:22:32,278 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-12-14 07:22:32,279 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 07:22:32,279 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 07:22:32,283 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,288 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,292 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,296 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,302 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,307 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,312 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,316 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,321 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,326 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,330 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,335 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,340 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,346 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:32,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,395 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-12-14 07:22:32,395 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:32,399 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:32,452 WARN L623 FunctionHandler]: Unknown extern function mmc_can_trim [2022-12-14 07:22:32,452 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-12-14 07:22:32,452 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:32,453 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:32,476 WARN L623 FunctionHandler]: Unknown extern function mmc_can_trim [2022-12-14 07:22:32,476 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-12-14 07:22:32,477 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:32,523 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-12-14 07:22:32,524 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:32,524 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:32,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,574 WARN L623 FunctionHandler]: Unknown extern function mmc_can_reset [2022-12-14 07:22:32,575 WARN L623 FunctionHandler]: Unknown extern function mmc_hw_reset [2022-12-14 07:22:32,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,591 WARN L623 FunctionHandler]: Unknown extern function mmc_release_host [2022-12-14 07:22:32,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:32,596 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:22:32,596 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:32,597 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:22:32,597 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:32,601 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 07:22:32,602 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 07:22:32,607 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 07:22:32,611 WARN L623 FunctionHandler]: Unknown extern function kstrtol_from_user [2022-12-14 07:22:32,612 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:32,612 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:32,617 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 07:22:32,622 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 07:22:32,627 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 07:22:32,627 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:22:32,627 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:32,631 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 07:22:32,632 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:22:32,632 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 07:22:32,632 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:22:32,641 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:22:33,303 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 07:22:33,303 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 07:22:33,303 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 07:22:33,304 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 07:22:33,304 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 07:22:33,304 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 07:22:33,349 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:22:33,354 WARN L623 FunctionHandler]: Unknown extern function mmc_register_driver [2022-12-14 07:22:33,355 WARN L623 FunctionHandler]: Unknown extern function mmc_unregister_driver [2022-12-14 07:22:33,763 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:22:33,974 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:22:34,377 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2022-12-14 07:22:34,380 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2022-12-14 07:22:34,381 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2022-12-14 07:22:34,381 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2022-12-14 07:22:34,381 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2022-12-14 07:22:34,382 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2022-12-14 07:22:34,382 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2022-12-14 07:22:34,382 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2022-12-14 07:22:34,383 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2022-12-14 07:22:34,383 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2022-12-14 07:22:34,383 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2022-12-14 07:22:34,383 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2022-12-14 07:22:34,384 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2022-12-14 07:22:34,384 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2022-12-14 07:22:34,384 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2022-12-14 07:22:34,384 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2022-12-14 07:22:34,385 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2022-12-14 07:22:34,385 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2022-12-14 07:22:34,385 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2022-12-14 07:22:34,386 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2022-12-14 07:22:34,386 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2022-12-14 07:22:34,386 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2022-12-14 07:22:34,386 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2022-12-14 07:22:34,387 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2022-12-14 07:22:34,387 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2022-12-14 07:22:34,387 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2022-12-14 07:22:34,387 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2022-12-14 07:22:34,388 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2022-12-14 07:22:34,388 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2022-12-14 07:22:34,388 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2022-12-14 07:22:34,388 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2022-12-14 07:22:34,388 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2022-12-14 07:22:34,389 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2022-12-14 07:22:34,389 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2022-12-14 07:22:34,389 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2022-12-14 07:22:34,389 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2022-12-14 07:22:34,390 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2022-12-14 07:22:34,390 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2022-12-14 07:22:34,390 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2022-12-14 07:22:34,390 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2022-12-14 07:22:34,391 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2022-12-14 07:22:34,391 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2022-12-14 07:22:34,391 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2022-12-14 07:22:34,391 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2022-12-14 07:22:34,391 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2022-12-14 07:22:34,392 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2022-12-14 07:22:34,392 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2022-12-14 07:22:34,392 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2022-12-14 07:22:34,392 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2022-12-14 07:22:34,393 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2022-12-14 07:22:34,393 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2022-12-14 07:22:34,393 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2022-12-14 07:22:34,393 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2022-12-14 07:22:34,394 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2022-12-14 07:22:34,394 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2022-12-14 07:22:34,394 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2022-12-14 07:22:34,394 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2022-12-14 07:22:34,395 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2022-12-14 07:22:34,395 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2022-12-14 07:22:34,395 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2022-12-14 07:22:34,395 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2022-12-14 07:22:34,396 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2022-12-14 07:22:34,396 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2022-12-14 07:22:34,396 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2022-12-14 07:22:34,396 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2022-12-14 07:22:34,397 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2022-12-14 07:22:34,397 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2022-12-14 07:22:34,397 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2022-12-14 07:22:34,397 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2022-12-14 07:22:34,397 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2022-12-14 07:22:34,398 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2022-12-14 07:22:34,398 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2022-12-14 07:22:34,398 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2022-12-14 07:22:34,398 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2022-12-14 07:22:34,399 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2022-12-14 07:22:34,399 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2022-12-14 07:22:34,399 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2022-12-14 07:22:34,399 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2022-12-14 07:22:34,399 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2022-12-14 07:22:34,400 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2022-12-14 07:22:34,400 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2022-12-14 07:22:34,400 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2022-12-14 07:22:34,400 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2022-12-14 07:22:34,401 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2022-12-14 07:22:34,401 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2022-12-14 07:22:34,401 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2022-12-14 07:22:34,401 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2022-12-14 07:22:34,402 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2022-12-14 07:22:34,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:22:34,425 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:22:34,469 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 07:22:34,469 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 07:22:34,472 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 07:22:34,473 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday64 [2022-12-14 07:22:34,474 WARN L623 FunctionHandler]: Unknown extern function __mmc_claim_host [2022-12-14 07:22:34,476 WARN L623 FunctionHandler]: Unknown extern function mmc_set_blocklen [2022-12-14 07:22:34,478 WARN L623 FunctionHandler]: Unknown extern function mmc_set_data_timeout [2022-12-14 07:22:34,479 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_cmd [2022-12-14 07:22:34,485 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,488 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,488 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-12-14 07:22:34,502 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 07:22:34,503 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:34,503 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:34,504 WARN L623 FunctionHandler]: Unknown extern function nr_free_buffer_pages [2022-12-14 07:22:34,506 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 07:22:34,507 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 07:22:34,508 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 07:22:34,509 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 07:22:34,509 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 07:22:34,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,526 WARN L623 FunctionHandler]: Unknown extern function mmc_start_req [2022-12-14 07:22:34,530 WARN L623 FunctionHandler]: Unknown extern function mmc_start_req [2022-12-14 07:22:34,536 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-12-14 07:22:34,542 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,542 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-12-14 07:22:34,547 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 07:22:34,547 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-12-14 07:22:34,547 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 07:22:34,547 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 07:22:34,548 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 07:22:34,549 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-12-14 07:22:34,549 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 07:22:34,549 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 07:22:34,550 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,550 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,550 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,551 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,552 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,552 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,553 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,554 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,554 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,555 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,555 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,556 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,557 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,558 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-12-14 07:22:34,561 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,566 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-12-14 07:22:34,566 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:34,567 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:34,571 WARN L623 FunctionHandler]: Unknown extern function mmc_can_trim [2022-12-14 07:22:34,571 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-12-14 07:22:34,571 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:34,572 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:34,574 WARN L623 FunctionHandler]: Unknown extern function mmc_can_trim [2022-12-14 07:22:34,575 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-12-14 07:22:34,575 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:34,580 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-12-14 07:22:34,581 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:34,581 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-12-14 07:22:34,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,592 WARN L623 FunctionHandler]: Unknown extern function mmc_can_reset [2022-12-14 07:22:34,592 WARN L623 FunctionHandler]: Unknown extern function mmc_hw_reset [2022-12-14 07:22:34,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,602 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,607 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,609 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,617 WARN L623 FunctionHandler]: Unknown extern function mmc_release_host [2022-12-14 07:22:34,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:22:34,620 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:22:34,620 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:34,620 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:22:34,620 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:34,621 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 07:22:34,621 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 07:22:34,632 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 07:22:34,632 WARN L623 FunctionHandler]: Unknown extern function kstrtol_from_user [2022-12-14 07:22:34,633 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:34,634 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:34,634 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 07:22:34,635 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 07:22:34,636 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 07:22:34,636 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:22:34,636 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:22:34,637 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 07:22:34,637 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:22:34,637 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-12-14 07:22:34,638 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 07:22:34,639 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 07:22:34,664 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 07:22:34,664 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 07:22:34,664 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 07:22:34,665 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 07:22:34,665 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 07:22:34,665 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 07:22:34,681 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:22:34,682 WARN L623 FunctionHandler]: Unknown extern function mmc_register_driver [2022-12-14 07:22:34,683 WARN L623 FunctionHandler]: Unknown extern function mmc_unregister_driver [2022-12-14 07:22:34,694 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:22:34,700 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:22:34,716 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2022-12-14 07:22:34,716 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2022-12-14 07:22:34,716 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2022-12-14 07:22:34,717 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2022-12-14 07:22:34,717 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2022-12-14 07:22:34,717 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2022-12-14 07:22:34,718 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2022-12-14 07:22:34,718 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2022-12-14 07:22:34,718 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2022-12-14 07:22:34,718 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2022-12-14 07:22:34,719 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2022-12-14 07:22:34,719 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2022-12-14 07:22:34,719 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2022-12-14 07:22:34,719 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2022-12-14 07:22:34,720 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2022-12-14 07:22:34,720 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2022-12-14 07:22:34,720 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2022-12-14 07:22:34,720 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2022-12-14 07:22:34,721 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2022-12-14 07:22:34,721 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2022-12-14 07:22:34,721 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2022-12-14 07:22:34,721 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2022-12-14 07:22:34,722 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2022-12-14 07:22:34,722 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2022-12-14 07:22:34,722 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2022-12-14 07:22:34,722 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2022-12-14 07:22:34,723 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2022-12-14 07:22:34,723 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2022-12-14 07:22:34,723 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2022-12-14 07:22:34,723 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2022-12-14 07:22:34,724 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2022-12-14 07:22:34,724 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2022-12-14 07:22:34,724 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2022-12-14 07:22:34,724 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2022-12-14 07:22:34,725 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2022-12-14 07:22:34,725 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2022-12-14 07:22:34,725 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2022-12-14 07:22:34,725 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2022-12-14 07:22:34,726 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2022-12-14 07:22:34,726 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2022-12-14 07:22:34,726 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2022-12-14 07:22:34,726 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2022-12-14 07:22:34,727 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2022-12-14 07:22:34,727 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2022-12-14 07:22:34,727 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2022-12-14 07:22:34,727 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2022-12-14 07:22:34,728 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2022-12-14 07:22:34,728 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2022-12-14 07:22:34,728 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2022-12-14 07:22:34,728 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2022-12-14 07:22:34,729 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2022-12-14 07:22:34,729 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2022-12-14 07:22:34,729 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2022-12-14 07:22:34,729 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2022-12-14 07:22:34,730 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2022-12-14 07:22:34,730 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2022-12-14 07:22:34,730 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2022-12-14 07:22:34,730 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2022-12-14 07:22:34,731 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2022-12-14 07:22:34,731 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2022-12-14 07:22:34,731 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2022-12-14 07:22:34,731 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2022-12-14 07:22:34,732 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2022-12-14 07:22:34,732 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2022-12-14 07:22:34,732 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2022-12-14 07:22:34,732 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2022-12-14 07:22:34,733 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2022-12-14 07:22:34,733 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2022-12-14 07:22:34,733 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2022-12-14 07:22:34,733 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2022-12-14 07:22:34,734 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2022-12-14 07:22:34,734 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2022-12-14 07:22:34,734 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2022-12-14 07:22:34,734 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2022-12-14 07:22:34,735 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2022-12-14 07:22:34,735 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2022-12-14 07:22:34,735 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2022-12-14 07:22:34,735 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2022-12-14 07:22:34,736 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2022-12-14 07:22:34,736 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2022-12-14 07:22:34,736 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2022-12-14 07:22:34,736 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2022-12-14 07:22:34,737 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2022-12-14 07:22:34,737 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2022-12-14 07:22:34,737 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2022-12-14 07:22:34,737 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2022-12-14 07:22:34,738 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2022-12-14 07:22:34,738 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_8dd422ba-9734-4a8a-aeff-066fa21b3937/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2022-12-14 07:22:34,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:22:34,887 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:22:34,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34 WrapperNode [2022-12-14 07:22:34,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:22:34,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:22:34,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:22:34,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:22:34,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (1/1) ... [2022-12-14 07:22:34,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (1/1) ... [2022-12-14 07:22:35,096 INFO L138 Inliner]: procedures = 745, calls = 3015, calls flagged for inlining = 366, calls inlined = 283, statements flattened = 6653 [2022-12-14 07:22:35,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:22:35,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:22:35,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:22:35,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:22:35,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (1/1) ... [2022-12-14 07:22:35,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (1/1) ... [2022-12-14 07:22:35,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (1/1) ... [2022-12-14 07:22:35,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (1/1) ... [2022-12-14 07:22:35,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (1/1) ... [2022-12-14 07:22:35,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (1/1) ... [2022-12-14 07:22:35,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (1/1) ... [2022-12-14 07:22:35,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (1/1) ... [2022-12-14 07:22:35,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:22:35,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:22:35,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:22:35,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:22:35,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (1/1) ... [2022-12-14 07:22:35,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:22:35,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:22:35,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:22:35,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:22:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_fill [2022-12-14 07:22:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_fill [2022-12-14 07:22:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_perf [2022-12-14 07:22:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_perf [2022-12-14 07:22:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 07:22:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 07:22:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 07:22:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 07:22:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_write [2022-12-14 07:22:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_write [2022-12-14 07:22:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 07:22:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 07:22:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rate [2022-12-14 07:22:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rate [2022-12-14 07:22:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_read [2022-12-14 07:22:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_read [2022-12-14 07:22:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_no_highmem [2022-12-14 07:22:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_no_highmem [2022-12-14 07:22:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_write [2022-12-14 07:22:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_write [2022-12-14 07:22:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 07:22:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 07:22:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-12-14 07:22:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-12-14 07:22:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_prepare [2022-12-14 07:22:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_prepare [2022-12-14 07:22:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_perf_max_scatter [2022-12-14 07:22:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_perf_max_scatter [2022-12-14 07:22:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 07:22:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 07:22:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_check_result [2022-12-14 07:22:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_check_result [2022-12-14 07:22:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 07:22:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 07:22:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_write [2022-12-14 07:22:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_write [2022-12-14 07:22:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_register_dbgfs_file [2022-12-14 07:22:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_register_dbgfs_file [2022-12-14 07:22:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_read [2022-12-14 07:22:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_read [2022-12-14 07:22:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 07:22:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 07:22:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_broken_transfer [2022-12-14 07:22:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_broken_transfer [2022-12-14 07:22:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_cleanup [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_cleanup [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_perf [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_perf [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_mem [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_mem [2022-12-14 07:22:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 07:22:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-12-14 07:22:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_erase [2022-12-14 07:22:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_erase [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_blocking_perf [2022-12-14 07:22:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_blocking_perf [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_result [2022-12-14 07:22:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_result [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_avg_rate [2022-12-14 07:22:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_avg_rate [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 07:22:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 07:22:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_performance [2022-12-14 07:22:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_performance [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 07:22:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 07:22:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 07:22:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 07:22:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_erase [2022-12-14 07:22:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_erase [2022-12-14 07:22:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 07:22:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 07:22:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_init [2022-12-14 07:22:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_init [2022-12-14 07:22:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 07:22:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 07:22:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 07:22:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 07:22:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_write [2022-12-14 07:22:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_write [2022-12-14 07:22:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 07:22:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 07:22:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 07:22:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 07:22:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_performance [2022-12-14 07:22:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_performance [2022-12-14 07:22:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_nonblock_reset [2022-12-14 07:22:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_nonblock_reset [2022-12-14 07:22:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-12-14 07:22:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-12-14 07:22:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 07:22:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 07:22:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_nonblock_perf [2022-12-14 07:22:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_nonblock_perf [2022-12-14 07:22:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:22:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-12-14 07:22:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-12-14 07:22:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_blocking_perf [2022-12-14 07:22:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_blocking_perf [2022-12-14 07:22:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_write [2022-12-14 07:22:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_write [2022-12-14 07:22:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-12-14 07:22:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-12-14 07:22:35,359 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-14 07:22:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-14 07:22:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:22:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_sg_len [2022-12-14 07:22:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_sg_len [2022-12-14 07:22:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_read_perf [2022-12-14 07:22:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_read_perf [2022-12-14 07:22:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 07:22:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 07:22:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:22:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_read [2022-12-14 07:22:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_read [2022-12-14 07:22:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_simple_transfer [2022-12-14 07:22:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_simple_transfer [2022-12-14 07:22:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure sg_mark_end [2022-12-14 07:22:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_mark_end [2022-12-14 07:22:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 07:22:35,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 07:22:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_num [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_num [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_fill [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_fill [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_read_perf [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_read_perf [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_read_perf [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_read_perf [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_performance [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_performance [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_remove [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_remove [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_read [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_read [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_start_req [2022-12-14 07:22:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_start_req [2022-12-14 07:22:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_wait_busy [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_wait_busy [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_read_perf [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_read_perf [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_buffer_transfer [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_buffer_transfer [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_read [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_read [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_write [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_write [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_blocking_perf [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_blocking_perf [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_write_perf [2022-12-14 07:22:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_write_perf [2022-12-14 07:22:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_trim_perf [2022-12-14 07:22:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_trim_perf [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_write_perf [2022-12-14 07:22:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_write_perf [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 07:22:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure mtf_test_write [2022-12-14 07:22:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mtf_test_write [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_write_perf [2022-12-14 07:22:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_write_perf [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 07:22:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_write [2022-12-14 07:22:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_write [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 07:22:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_read [2022-12-14 07:22:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_read [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io_seq [2022-12-14 07:22:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io_seq [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-12-14 07:22:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-12-14 07:22:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_set_blksize [2022-12-14 07:22:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_set_blksize [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_transfer [2022-12-14 07:22:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_transfer [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_nonblock_perf [2022-12-14 07:22:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_nonblock_perf [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_nonblock_perf [2022-12-14 07:22:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_nonblock_perf [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_size [2022-12-14 07:22:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_size [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_save_transfer_result [2022-12-14 07:22:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_save_transfer_result [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_shutdown [2022-12-14 07:22:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_shutdown [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_read [2022-12-14 07:22:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_read [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-12-14 07:22:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_erase [2022-12-14 07:22:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_erase [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_busy [2022-12-14 07:22:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_busy [2022-12-14 07:22:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_write_perf [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_write_perf [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_dbgfs_file [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_dbgfs_file [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_perf_max_scatter [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_perf_max_scatter [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_perf [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_perf [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_read [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_read [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 07:22:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_capacity [2022-12-14 07:22:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_capacity [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-12-14 07:22:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_wait_for_req [2022-12-14 07:22:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_wait_for_req [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_hw_reset [2022-12-14 07:22:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_hw_reset [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_multi_write [2022-12-14 07:22:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_multi_write [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 07:22:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 07:22:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_mrq [2022-12-14 07:22:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_mrq [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 07:22:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_write_perf [2022-12-14 07:22:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_write_perf [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_erase [2022-12-14 07:22:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_erase [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple [2022-12-14 07:22:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:22:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_rate [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_rate [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_trim [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_trim [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_write [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_write [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_perf [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_perf [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_write [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_write [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_nonblock_perf [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_nonblock_perf [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_read [2022-12-14 07:22:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_read [2022-12-14 07:22:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_blocking_perf [2022-12-14 07:22:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_blocking_perf [2022-12-14 07:22:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_probe [2022-12-14 07:22:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_probe [2022-12-14 07:22:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 07:22:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 07:22:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 07:22:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 07:22:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_read_perf [2022-12-14 07:22:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_read_perf [2022-12-14 07:22:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_trim_perf [2022-12-14 07:22:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_trim_perf [2022-12-14 07:22:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-12-14 07:22:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-12-14 07:22:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:22:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_cleanup [2022-12-14 07:22:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_cleanup [2022-12-14 07:22:36,058 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:22:36,061 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:22:36,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 07:22:52,533 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:22:53,555 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:22:53,556 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:22:53,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:22:53 BoogieIcfgContainer [2022-12-14 07:22:53,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:22:53,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:22:53,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:22:53,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:22:53,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:22:31" (1/3) ... [2022-12-14 07:22:53,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb83710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:22:53, skipping insertion in model container [2022-12-14 07:22:53,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:22:34" (2/3) ... [2022-12-14 07:22:53,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb83710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:22:53, skipping insertion in model container [2022-12-14 07:22:53,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:22:53" (3/3) ... [2022-12-14 07:22:53,570 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-12-14 07:22:53,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:22:53,585 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2022-12-14 07:22:53,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:22:53,662 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;@772c66ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:22:53,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-12-14 07:22:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 2339 states, 1420 states have (on average 1.3514084507042254) internal successors, (1919), 1513 states have internal predecessors, (1919), 735 states have call successors, (735), 159 states have call predecessors, (735), 158 states have return successors, (690), 683 states have call predecessors, (690), 690 states have call successors, (690) [2022-12-14 07:22:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 07:22:53,678 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:22:53,678 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:22:53,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:22:53,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:22:53,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1232097217, now seen corresponding path program 1 times [2022-12-14 07:22:53,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:22:53,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933438214] [2022-12-14 07:22:53,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:22:53,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:22:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:22:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:22:54,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:22:54,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933438214] [2022-12-14 07:22:54,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933438214] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:22:54,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:22:54,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:22:54,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437157840] [2022-12-14 07:22:54,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:22:54,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:22:54,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:22:54,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:22:54,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:22:54,279 INFO L87 Difference]: Start difference. First operand has 2339 states, 1420 states have (on average 1.3514084507042254) internal successors, (1919), 1513 states have internal predecessors, (1919), 735 states have call successors, (735), 159 states have call predecessors, (735), 158 states have return successors, (690), 683 states have call predecessors, (690), 690 states have call successors, (690) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 07:22:56,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:22:58,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:01,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:02,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:23:02,536 INFO L93 Difference]: Finished difference Result 4961 states and 7349 transitions. [2022-12-14 07:23:02,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:23:02,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-12-14 07:23:02,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:23:02,569 INFO L225 Difference]: With dead ends: 4961 [2022-12-14 07:23:02,569 INFO L226 Difference]: Without dead ends: 2588 [2022-12-14 07:23:02,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:23:02,590 INFO L413 NwaCegarLoop]: 2923 mSDtfsCounter, 3220 mSDsluCounter, 3304 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3231 SdHoareTripleChecker+Valid, 6227 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:23:02,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3231 Valid, 6227 Invalid, 1029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1026 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 07:23:02,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2022-12-14 07:23:02,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2580. [2022-12-14 07:23:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2580 states, 1590 states have (on average 1.2955974842767295) internal successors, (2060), 1646 states have internal predecessors, (2060), 767 states have call successors, (767), 201 states have call predecessors, (767), 199 states have return successors, (765), 756 states have call predecessors, (765), 765 states have call successors, (765) [2022-12-14 07:23:02,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 3592 transitions. [2022-12-14 07:23:02,743 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 3592 transitions. Word has length 47 [2022-12-14 07:23:02,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:23:02,743 INFO L495 AbstractCegarLoop]: Abstraction has 2580 states and 3592 transitions. [2022-12-14 07:23:02,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 07:23:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 3592 transitions. [2022-12-14 07:23:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 07:23:02,745 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:23:02,745 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:23:02,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:23:02,746 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:23:02,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:23:02,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1096265487, now seen corresponding path program 1 times [2022-12-14 07:23:02,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:23:02,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721473563] [2022-12-14 07:23:02,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:23:02,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:23:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:23:03,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:23:03,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:23:03,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721473563] [2022-12-14 07:23:03,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721473563] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:23:03,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:23:03,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:23:03,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801240096] [2022-12-14 07:23:03,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:23:03,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:23:03,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:23:03,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:23:03,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:23:03,009 INFO L87 Difference]: Start difference. First operand 2580 states and 3592 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 07:23:05,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:07,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:09,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:10,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:23:10,949 INFO L93 Difference]: Finished difference Result 2588 states and 3600 transitions. [2022-12-14 07:23:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:23:10,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-12-14 07:23:10,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:23:10,962 INFO L225 Difference]: With dead ends: 2588 [2022-12-14 07:23:10,962 INFO L226 Difference]: Without dead ends: 2586 [2022-12-14 07:23:10,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:23:10,964 INFO L413 NwaCegarLoop]: 2825 mSDtfsCounter, 3123 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3132 SdHoareTripleChecker+Valid, 6029 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:23:10,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3132 Valid, 6029 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1026 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-12-14 07:23:10,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2586 states. [2022-12-14 07:23:11,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2586 to 2578. [2022-12-14 07:23:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2578 states, 1589 states have (on average 1.2951541850220265) internal successors, (2058), 1644 states have internal predecessors, (2058), 767 states have call successors, (767), 201 states have call predecessors, (767), 199 states have return successors, (765), 756 states have call predecessors, (765), 765 states have call successors, (765) [2022-12-14 07:23:11,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 3590 transitions. [2022-12-14 07:23:11,055 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 3590 transitions. Word has length 52 [2022-12-14 07:23:11,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:23:11,055 INFO L495 AbstractCegarLoop]: Abstraction has 2578 states and 3590 transitions. [2022-12-14 07:23:11,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 07:23:11,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3590 transitions. [2022-12-14 07:23:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 07:23:11,057 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:23:11,057 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:23:11,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:23:11,057 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:23:11,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:23:11,057 INFO L85 PathProgramCache]: Analyzing trace with hash 153998808, now seen corresponding path program 1 times [2022-12-14 07:23:11,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:23:11,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868071404] [2022-12-14 07:23:11,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:23:11,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:23:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:23:11,503 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:23:11,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:23:11,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868071404] [2022-12-14 07:23:11,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868071404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:23:11,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:23:11,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:23:11,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134783900] [2022-12-14 07:23:11,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:23:11,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:23:11,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:23:11,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:23:11,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:23:11,505 INFO L87 Difference]: Start difference. First operand 2578 states and 3590 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 07:23:14,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:16,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:18,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:20,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:23:20,715 INFO L93 Difference]: Finished difference Result 3761 states and 5217 transitions. [2022-12-14 07:23:20,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:23:20,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-12-14 07:23:20,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:23:20,730 INFO L225 Difference]: With dead ends: 3761 [2022-12-14 07:23:20,730 INFO L226 Difference]: Without dead ends: 3759 [2022-12-14 07:23:20,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 07:23:20,733 INFO L413 NwaCegarLoop]: 3815 mSDtfsCounter, 3040 mSDsluCounter, 9217 mSDsCounter, 0 mSdLazyCounter, 1829 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 13032 SdHoareTripleChecker+Invalid, 1834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1829 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:23:20,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 13032 Invalid, 1834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1829 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2022-12-14 07:23:20,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2022-12-14 07:23:20,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3736. [2022-12-14 07:23:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 2312 states have (on average 1.3027681660899655) internal successors, (3012), 2381 states have internal predecessors, (3012), 1087 states have call successors, (1087), 320 states have call predecessors, (1087), 314 states have return successors, (1092), 1066 states have call predecessors, (1092), 1085 states have call successors, (1092) [2022-12-14 07:23:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5191 transitions. [2022-12-14 07:23:20,884 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5191 transitions. Word has length 56 [2022-12-14 07:23:20,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:23:20,885 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5191 transitions. [2022-12-14 07:23:20,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 07:23:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5191 transitions. [2022-12-14 07:23:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 07:23:20,887 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:23:20,887 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:23:20,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:23:20,887 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:23:20,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:23:20,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1671998241, now seen corresponding path program 1 times [2022-12-14 07:23:20,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:23:20,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965363554] [2022-12-14 07:23:20,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:23:20,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:23:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:23:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:23:21,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:23:21,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965363554] [2022-12-14 07:23:21,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965363554] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:23:21,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:23:21,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:23:21,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099595279] [2022-12-14 07:23:21,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:23:21,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:23:21,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:23:21,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:23:21,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:23:21,138 INFO L87 Difference]: Start difference. First operand 3736 states and 5191 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 07:23:23,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:25,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:28,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:29,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:23:29,241 INFO L93 Difference]: Finished difference Result 3744 states and 5199 transitions. [2022-12-14 07:23:29,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:23:29,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-12-14 07:23:29,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:23:29,256 INFO L225 Difference]: With dead ends: 3744 [2022-12-14 07:23:29,256 INFO L226 Difference]: Without dead ends: 3742 [2022-12-14 07:23:29,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:23:29,258 INFO L413 NwaCegarLoop]: 2819 mSDtfsCounter, 3117 mSDsluCounter, 3198 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3128 SdHoareTripleChecker+Valid, 6017 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:23:29,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3128 Valid, 6017 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 07:23:29,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-12-14 07:23:29,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3736. [2022-12-14 07:23:29,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 2312 states have (on average 1.3023356401384083) internal successors, (3011), 2381 states have internal predecessors, (3011), 1087 states have call successors, (1087), 320 states have call predecessors, (1087), 315 states have return successors, (1095), 1066 states have call predecessors, (1095), 1085 states have call successors, (1095) [2022-12-14 07:23:29,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5193 transitions. [2022-12-14 07:23:29,389 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5193 transitions. Word has length 57 [2022-12-14 07:23:29,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:23:29,390 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5193 transitions. [2022-12-14 07:23:29,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 07:23:29,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5193 transitions. [2022-12-14 07:23:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 07:23:29,391 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:23:29,391 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:23:29,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:23:29,391 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:23:29,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:23:29,392 INFO L85 PathProgramCache]: Analyzing trace with hash 351013628, now seen corresponding path program 1 times [2022-12-14 07:23:29,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:23:29,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389895661] [2022-12-14 07:23:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:23:29,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:23:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:23:29,594 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:23:29,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:23:29,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389895661] [2022-12-14 07:23:29,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389895661] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:23:29,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:23:29,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:23:29,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424513513] [2022-12-14 07:23:29,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:23:29,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:23:29,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:23:29,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:23:29,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:23:29,597 INFO L87 Difference]: Start difference. First operand 3736 states and 5193 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 07:23:31,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:33,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:35,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:37,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:38,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:23:38,235 INFO L93 Difference]: Finished difference Result 3736 states and 5193 transitions. [2022-12-14 07:23:38,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:23:38,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-12-14 07:23:38,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:23:38,251 INFO L225 Difference]: With dead ends: 3736 [2022-12-14 07:23:38,251 INFO L226 Difference]: Without dead ends: 3734 [2022-12-14 07:23:38,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:23:38,253 INFO L413 NwaCegarLoop]: 2730 mSDtfsCounter, 3181 mSDsluCounter, 2730 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3187 SdHoareTripleChecker+Valid, 5460 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:23:38,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3187 Valid, 5460 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 952 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2022-12-14 07:23:38,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3734 states. [2022-12-14 07:23:38,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3734 to 3734. [2022-12-14 07:23:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3734 states, 2311 states have (on average 1.302033751622674) internal successors, (3009), 2379 states have internal predecessors, (3009), 1087 states have call successors, (1087), 320 states have call predecessors, (1087), 315 states have return successors, (1095), 1066 states have call predecessors, (1095), 1085 states have call successors, (1095) [2022-12-14 07:23:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3734 states and 5191 transitions. [2022-12-14 07:23:38,408 INFO L78 Accepts]: Start accepts. Automaton has 3734 states and 5191 transitions. Word has length 62 [2022-12-14 07:23:38,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:23:38,409 INFO L495 AbstractCegarLoop]: Abstraction has 3734 states and 5191 transitions. [2022-12-14 07:23:38,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 07:23:38,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 5191 transitions. [2022-12-14 07:23:38,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 07:23:38,410 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:23:38,410 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:23:38,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:23:38,410 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:23:38,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:23:38,410 INFO L85 PathProgramCache]: Analyzing trace with hash -482330226, now seen corresponding path program 1 times [2022-12-14 07:23:38,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:23:38,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445241676] [2022-12-14 07:23:38,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:23:38,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:23:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:23:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 07:23:38,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:23:38,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445241676] [2022-12-14 07:23:38,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445241676] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:23:38,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:23:38,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:23:38,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136158531] [2022-12-14 07:23:38,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:23:38,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:23:38,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:23:38,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:23:38,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:23:38,753 INFO L87 Difference]: Start difference. First operand 3734 states and 5191 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-14 07:23:41,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:43,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:46,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:48,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:23:48,726 INFO L93 Difference]: Finished difference Result 3757 states and 5215 transitions. [2022-12-14 07:23:48,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:23:48,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 67 [2022-12-14 07:23:48,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:23:48,738 INFO L225 Difference]: With dead ends: 3757 [2022-12-14 07:23:48,738 INFO L226 Difference]: Without dead ends: 3755 [2022-12-14 07:23:48,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 07:23:48,740 INFO L413 NwaCegarLoop]: 3414 mSDtfsCounter, 1685 mSDsluCounter, 9491 mSDsCounter, 0 mSdLazyCounter, 2144 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 12905 SdHoareTripleChecker+Invalid, 2147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2144 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:23:48,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 12905 Invalid, 2147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2144 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2022-12-14 07:23:48,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2022-12-14 07:23:48,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3742. [2022-12-14 07:23:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 2316 states have (on average 1.3013816925734025) internal successors, (3014), 2384 states have internal predecessors, (3014), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 316 states have return successors, (1097), 1067 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-12-14 07:23:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 5200 transitions. [2022-12-14 07:23:48,881 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 5200 transitions. Word has length 67 [2022-12-14 07:23:48,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:23:48,882 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 5200 transitions. [2022-12-14 07:23:48,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-14 07:23:48,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 5200 transitions. [2022-12-14 07:23:48,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 07:23:48,883 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:23:48,883 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:23:48,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:23:48,883 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:23:48,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:23:48,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1612555806, now seen corresponding path program 1 times [2022-12-14 07:23:48,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:23:48,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472787936] [2022-12-14 07:23:48,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:23:48,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:23:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:23:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:23:49,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:23:49,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472787936] [2022-12-14 07:23:49,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472787936] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:23:49,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:23:49,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:23:49,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028016722] [2022-12-14 07:23:49,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:23:49,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:23:49,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:23:49,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:23:49,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:23:49,092 INFO L87 Difference]: Start difference. First operand 3742 states and 5200 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 07:23:51,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:53,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:56,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:57,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:23:57,116 INFO L93 Difference]: Finished difference Result 3748 states and 5204 transitions. [2022-12-14 07:23:57,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:23:57,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-12-14 07:23:57,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:23:57,128 INFO L225 Difference]: With dead ends: 3748 [2022-12-14 07:23:57,128 INFO L226 Difference]: Without dead ends: 3746 [2022-12-14 07:23:57,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:23:57,129 INFO L413 NwaCegarLoop]: 2805 mSDtfsCounter, 3111 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3122 SdHoareTripleChecker+Valid, 5989 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:23:57,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3122 Valid, 5989 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 07:23:57,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2022-12-14 07:23:57,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3740. [2022-12-14 07:23:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 2315 states have (on average 1.3010799136069116) internal successors, (3012), 2382 states have internal predecessors, (3012), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 316 states have return successors, (1097), 1067 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-12-14 07:23:57,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5198 transitions. [2022-12-14 07:23:57,277 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5198 transitions. Word has length 67 [2022-12-14 07:23:57,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:23:57,278 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5198 transitions. [2022-12-14 07:23:57,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 07:23:57,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5198 transitions. [2022-12-14 07:23:57,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 07:23:57,279 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:23:57,279 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:23:57,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 07:23:57,279 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:23:57,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:23:57,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1924301979, now seen corresponding path program 1 times [2022-12-14 07:23:57,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:23:57,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335007221] [2022-12-14 07:23:57,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:23:57,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:23:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:23:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:23:57,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:23:57,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335007221] [2022-12-14 07:23:57,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335007221] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:23:57,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:23:57,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:23:57,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378465168] [2022-12-14 07:23:57,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:23:57,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:23:57,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:23:57,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:23:57,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:23:57,536 INFO L87 Difference]: Start difference. First operand 3740 states and 5198 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 07:23:59,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:02,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:04,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:05,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:24:05,372 INFO L93 Difference]: Finished difference Result 3746 states and 5202 transitions. [2022-12-14 07:24:05,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:24:05,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-12-14 07:24:05,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:24:05,385 INFO L225 Difference]: With dead ends: 3746 [2022-12-14 07:24:05,385 INFO L226 Difference]: Without dead ends: 3744 [2022-12-14 07:24:05,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:24:05,387 INFO L413 NwaCegarLoop]: 2803 mSDtfsCounter, 3108 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3119 SdHoareTripleChecker+Valid, 5985 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:24:05,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3119 Valid, 5985 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2022-12-14 07:24:05,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-12-14 07:24:05,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3738. [2022-12-14 07:24:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3738 states, 2314 states have (on average 1.3007778738115816) internal successors, (3010), 2380 states have internal predecessors, (3010), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 316 states have return successors, (1097), 1067 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-12-14 07:24:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 5196 transitions. [2022-12-14 07:24:05,546 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 5196 transitions. Word has length 72 [2022-12-14 07:24:05,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:24:05,546 INFO L495 AbstractCegarLoop]: Abstraction has 3738 states and 5196 transitions. [2022-12-14 07:24:05,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 07:24:05,546 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 5196 transitions. [2022-12-14 07:24:05,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 07:24:05,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:24:05,547 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:24:05,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 07:24:05,548 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:24:05,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:24:05,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1429849257, now seen corresponding path program 1 times [2022-12-14 07:24:05,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:24:05,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197725021] [2022-12-14 07:24:05,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:24:05,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:24:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:24:05,899 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-12-14 07:24:05,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:24:05,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197725021] [2022-12-14 07:24:05,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197725021] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:24:05,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:24:05,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:24:05,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136851420] [2022-12-14 07:24:05,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:24:05,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:24:05,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:24:05,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:24:05,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:24:05,902 INFO L87 Difference]: Start difference. First operand 3738 states and 5196 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 07:24:08,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:10,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:13,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:14,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:24:14,539 INFO L93 Difference]: Finished difference Result 7464 states and 10386 transitions. [2022-12-14 07:24:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:24:14,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2022-12-14 07:24:14,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:24:14,554 INFO L225 Difference]: With dead ends: 7464 [2022-12-14 07:24:14,554 INFO L226 Difference]: Without dead ends: 3742 [2022-12-14 07:24:14,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:24:14,576 INFO L413 NwaCegarLoop]: 2727 mSDtfsCounter, 5 mSDsluCounter, 5451 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8178 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:24:14,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8178 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1427 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-12-14 07:24:14,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-12-14 07:24:14,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3740. [2022-12-14 07:24:14,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 2316 states have (on average 1.3005181347150259) internal successors, (3012), 2382 states have internal predecessors, (3012), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 316 states have return successors, (1097), 1067 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-12-14 07:24:14,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5198 transitions. [2022-12-14 07:24:14,721 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5198 transitions. Word has length 86 [2022-12-14 07:24:14,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:24:14,721 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5198 transitions. [2022-12-14 07:24:14,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 07:24:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5198 transitions. [2022-12-14 07:24:14,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 07:24:14,722 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:24:14,722 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:24:14,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 07:24:14,722 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:24:14,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:24:14,723 INFO L85 PathProgramCache]: Analyzing trace with hash -2064563531, now seen corresponding path program 1 times [2022-12-14 07:24:14,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:24:14,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356500424] [2022-12-14 07:24:14,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:24:14,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:24:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:24:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:24:14,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:24:14,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356500424] [2022-12-14 07:24:14,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356500424] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:24:14,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:24:14,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:24:14,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024917509] [2022-12-14 07:24:14,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:24:14,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:24:14,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:24:14,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:24:14,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:24:14,933 INFO L87 Difference]: Start difference. First operand 3740 states and 5198 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 07:24:18,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:20,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:21,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:24:21,941 INFO L93 Difference]: Finished difference Result 3740 states and 5198 transitions. [2022-12-14 07:24:21,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:24:21,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-12-14 07:24:21,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:24:21,953 INFO L225 Difference]: With dead ends: 3740 [2022-12-14 07:24:21,953 INFO L226 Difference]: Without dead ends: 3738 [2022-12-14 07:24:21,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:24:21,955 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 3169 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3177 SdHoareTripleChecker+Valid, 5448 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:24:21,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3177 Valid, 5448 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 951 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 07:24:21,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2022-12-14 07:24:22,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3738. [2022-12-14 07:24:22,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3738 states, 2315 states have (on average 1.3002159827213824) internal successors, (3010), 2380 states have internal predecessors, (3010), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 316 states have return successors, (1097), 1067 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-12-14 07:24:22,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 5196 transitions. [2022-12-14 07:24:22,121 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 5196 transitions. Word has length 77 [2022-12-14 07:24:22,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:24:22,121 INFO L495 AbstractCegarLoop]: Abstraction has 3738 states and 5196 transitions. [2022-12-14 07:24:22,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 07:24:22,121 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 5196 transitions. [2022-12-14 07:24:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 07:24:22,122 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:24:22,122 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:24:22,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 07:24:22,122 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:24:22,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:24:22,123 INFO L85 PathProgramCache]: Analyzing trace with hash 919870602, now seen corresponding path program 1 times [2022-12-14 07:24:22,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:24:22,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755323688] [2022-12-14 07:24:22,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:24:22,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:24:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:24:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-12-14 07:24:22,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:24:22,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755323688] [2022-12-14 07:24:22,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755323688] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:24:22,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:24:22,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:24:22,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490841103] [2022-12-14 07:24:22,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:24:22,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:24:22,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:24:22,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:24:22,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:24:22,510 INFO L87 Difference]: Start difference. First operand 3738 states and 5196 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 07:24:26,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:28,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:30,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:32,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:34,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:35,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:24:35,797 INFO L93 Difference]: Finished difference Result 7466 states and 10388 transitions. [2022-12-14 07:24:35,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:24:35,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2022-12-14 07:24:35,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:24:35,811 INFO L225 Difference]: With dead ends: 7466 [2022-12-14 07:24:35,811 INFO L226 Difference]: Without dead ends: 3744 [2022-12-14 07:24:35,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:24:35,820 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 10 mSDsluCounter, 5441 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 8165 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:24:35,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 8165 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1434 Invalid, 4 Unknown, 0 Unchecked, 13.0s Time] [2022-12-14 07:24:35,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-12-14 07:24:35,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3740. [2022-12-14 07:24:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 2317 states have (on average 1.2999568407423392) internal successors, (3012), 2382 states have internal predecessors, (3012), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 316 states have return successors, (1097), 1067 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-12-14 07:24:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5198 transitions. [2022-12-14 07:24:35,984 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5198 transitions. Word has length 90 [2022-12-14 07:24:35,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:24:35,984 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5198 transitions. [2022-12-14 07:24:35,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 07:24:35,984 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5198 transitions. [2022-12-14 07:24:35,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-14 07:24:35,985 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:24:35,985 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:24:35,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 07:24:35,985 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:24:35,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:24:35,986 INFO L85 PathProgramCache]: Analyzing trace with hash 76559562, now seen corresponding path program 1 times [2022-12-14 07:24:35,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:24:35,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865593674] [2022-12-14 07:24:35,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:24:35,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:24:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:24:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:24:36,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:24:36,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865593674] [2022-12-14 07:24:36,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865593674] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:24:36,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:24:36,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:24:36,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334536080] [2022-12-14 07:24:36,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:24:36,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:24:36,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:24:36,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:24:36,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:24:36,199 INFO L87 Difference]: Start difference. First operand 3740 states and 5198 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 07:24:39,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:41,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:44,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:45,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:24:45,395 INFO L93 Difference]: Finished difference Result 3740 states and 5198 transitions. [2022-12-14 07:24:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:24:45,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-12-14 07:24:45,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:24:45,405 INFO L225 Difference]: With dead ends: 3740 [2022-12-14 07:24:45,406 INFO L226 Difference]: Without dead ends: 3738 [2022-12-14 07:24:45,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:24:45,407 INFO L413 NwaCegarLoop]: 2722 mSDtfsCounter, 3173 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3179 SdHoareTripleChecker+Valid, 5440 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:24:45,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3179 Valid, 5440 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 951 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2022-12-14 07:24:45,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2022-12-14 07:24:45,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3738. [2022-12-14 07:24:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3738 states, 2316 states have (on average 1.2996545768566494) internal successors, (3010), 2380 states have internal predecessors, (3010), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 316 states have return successors, (1097), 1067 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-12-14 07:24:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 5196 transitions. [2022-12-14 07:24:45,583 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 5196 transitions. Word has length 82 [2022-12-14 07:24:45,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:24:45,583 INFO L495 AbstractCegarLoop]: Abstraction has 3738 states and 5196 transitions. [2022-12-14 07:24:45,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 07:24:45,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 5196 transitions. [2022-12-14 07:24:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 07:24:45,584 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:24:45,584 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:24:45,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 07:24:45,585 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:24:45,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:24:45,585 INFO L85 PathProgramCache]: Analyzing trace with hash 559440109, now seen corresponding path program 1 times [2022-12-14 07:24:45,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:24:45,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546783373] [2022-12-14 07:24:45,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:24:45,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:24:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:24:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:24:45,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:24:45,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546783373] [2022-12-14 07:24:45,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546783373] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:24:45,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:24:45,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:24:45,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198494306] [2022-12-14 07:24:45,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:24:45,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:24:45,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:24:45,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:24:45,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:24:45,830 INFO L87 Difference]: Start difference. First operand 3738 states and 5196 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 07:24:48,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:49,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:51,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:53,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:24:53,878 INFO L93 Difference]: Finished difference Result 3738 states and 5196 transitions. [2022-12-14 07:24:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:24:53,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-12-14 07:24:53,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:24:53,891 INFO L225 Difference]: With dead ends: 3738 [2022-12-14 07:24:53,891 INFO L226 Difference]: Without dead ends: 3736 [2022-12-14 07:24:53,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:24:53,893 INFO L413 NwaCegarLoop]: 2720 mSDtfsCounter, 3170 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3172 SdHoareTripleChecker+Valid, 5440 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:24:53,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3172 Valid, 5440 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 954 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-12-14 07:24:53,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2022-12-14 07:24:54,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3736. [2022-12-14 07:24:54,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 2315 states have (on average 1.2993520518358532) internal successors, (3008), 2378 states have internal predecessors, (3008), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 316 states have return successors, (1097), 1067 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-12-14 07:24:54,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5194 transitions. [2022-12-14 07:24:54,088 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5194 transitions. Word has length 84 [2022-12-14 07:24:54,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:24:54,088 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5194 transitions. [2022-12-14 07:24:54,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 07:24:54,088 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5194 transitions. [2022-12-14 07:24:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 07:24:54,089 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:24:54,089 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:24:54,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 07:24:54,090 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:24:54,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:24:54,090 INFO L85 PathProgramCache]: Analyzing trace with hash 386612058, now seen corresponding path program 1 times [2022-12-14 07:24:54,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:24:54,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141307312] [2022-12-14 07:24:54,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:24:54,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:24:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:24:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 07:24:54,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:24:54,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141307312] [2022-12-14 07:24:54,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141307312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:24:54,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:24:54,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:24:54,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085107735] [2022-12-14 07:24:54,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:24:54,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:24:54,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:24:54,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:24:54,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:24:54,579 INFO L87 Difference]: Start difference. First operand 3736 states and 5194 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 07:24:57,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:59,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:02,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:25:02,863 INFO L93 Difference]: Finished difference Result 7469 states and 10399 transitions. [2022-12-14 07:25:02,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:25:02,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2022-12-14 07:25:02,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:25:02,878 INFO L225 Difference]: With dead ends: 7469 [2022-12-14 07:25:02,879 INFO L226 Difference]: Without dead ends: 3749 [2022-12-14 07:25:02,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:25:02,888 INFO L413 NwaCegarLoop]: 2721 mSDtfsCounter, 11 mSDsluCounter, 10869 mSDsCounter, 0 mSdLazyCounter, 2395 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 13590 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2395 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:25:02,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 13590 Invalid, 2398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2395 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 07:25:02,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3749 states. [2022-12-14 07:25:03,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3749 to 3739. [2022-12-14 07:25:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3739 states, 2317 states have (on average 1.299093655589124) internal successors, (3010), 2380 states have internal predecessors, (3010), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 317 states have return successors, (1101), 1068 states have call predecessors, (1101), 1087 states have call successors, (1101) [2022-12-14 07:25:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3739 states and 5200 transitions. [2022-12-14 07:25:03,108 INFO L78 Accepts]: Start accepts. Automaton has 3739 states and 5200 transitions. Word has length 100 [2022-12-14 07:25:03,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:25:03,109 INFO L495 AbstractCegarLoop]: Abstraction has 3739 states and 5200 transitions. [2022-12-14 07:25:03,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 07:25:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 3739 states and 5200 transitions. [2022-12-14 07:25:03,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 07:25:03,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:25:03,110 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:25:03,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 07:25:03,110 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:25:03,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:25:03,110 INFO L85 PathProgramCache]: Analyzing trace with hash -469746400, now seen corresponding path program 1 times [2022-12-14 07:25:03,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:25:03,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189007270] [2022-12-14 07:25:03,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:25:03,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:25:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:25:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:25:03,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:25:03,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189007270] [2022-12-14 07:25:03,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189007270] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:25:03,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:25:03,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:25:03,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183628408] [2022-12-14 07:25:03,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:25:03,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:25:03,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:25:03,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:25:03,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:25:03,299 INFO L87 Difference]: Start difference. First operand 3739 states and 5200 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 07:25:05,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:10,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:11,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:25:11,288 INFO L93 Difference]: Finished difference Result 3746 states and 5204 transitions. [2022-12-14 07:25:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:25:11,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-12-14 07:25:11,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:25:11,296 INFO L225 Difference]: With dead ends: 3746 [2022-12-14 07:25:11,296 INFO L226 Difference]: Without dead ends: 3744 [2022-12-14 07:25:11,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:25:11,297 INFO L413 NwaCegarLoop]: 2805 mSDtfsCounter, 3102 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 5989 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:25:11,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 5989 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1025 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-12-14 07:25:11,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-12-14 07:25:11,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3740. [2022-12-14 07:25:11,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 2318 states have (on average 1.2985332182916307) internal successors, (3010), 2380 states have internal predecessors, (3010), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 318 states have return successors, (1101), 1069 states have call predecessors, (1101), 1087 states have call successors, (1101) [2022-12-14 07:25:11,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5200 transitions. [2022-12-14 07:25:11,508 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5200 transitions. Word has length 89 [2022-12-14 07:25:11,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:25:11,509 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5200 transitions. [2022-12-14 07:25:11,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 07:25:11,509 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5200 transitions. [2022-12-14 07:25:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 07:25:11,510 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:25:11,510 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:25:11,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 07:25:11,510 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:25:11,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:25:11,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1676726517, now seen corresponding path program 1 times [2022-12-14 07:25:11,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:25:11,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483198679] [2022-12-14 07:25:11,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:25:11,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:25:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:25:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:25:11,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:25:11,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483198679] [2022-12-14 07:25:11,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483198679] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:25:11,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:25:11,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:25:11,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511356830] [2022-12-14 07:25:11,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:25:11,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:25:11,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:25:11,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:25:11,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:25:11,692 INFO L87 Difference]: Start difference. First operand 3740 states and 5200 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 07:25:14,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:15,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:17,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:20,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:21,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:25:21,180 INFO L93 Difference]: Finished difference Result 3744 states and 5202 transitions. [2022-12-14 07:25:21,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:25:21,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-12-14 07:25:21,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:25:21,190 INFO L225 Difference]: With dead ends: 3744 [2022-12-14 07:25:21,190 INFO L226 Difference]: Without dead ends: 3742 [2022-12-14 07:25:21,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:25:21,192 INFO L413 NwaCegarLoop]: 2793 mSDtfsCounter, 3099 mSDsluCounter, 3172 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3106 SdHoareTripleChecker+Valid, 5965 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:25:21,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3106 Valid, 5965 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1018 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2022-12-14 07:25:21,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-12-14 07:25:21,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3738. [2022-12-14 07:25:21,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3738 states, 2317 states have (on average 1.2982304704359084) internal successors, (3008), 2378 states have internal predecessors, (3008), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 318 states have return successors, (1101), 1069 states have call predecessors, (1101), 1087 states have call successors, (1101) [2022-12-14 07:25:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 5198 transitions. [2022-12-14 07:25:21,424 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 5198 transitions. Word has length 94 [2022-12-14 07:25:21,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:25:21,424 INFO L495 AbstractCegarLoop]: Abstraction has 3738 states and 5198 transitions. [2022-12-14 07:25:21,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 07:25:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 5198 transitions. [2022-12-14 07:25:21,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 07:25:21,426 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:25:21,426 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:25:21,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 07:25:21,426 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:25:21,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:25:21,426 INFO L85 PathProgramCache]: Analyzing trace with hash -829897256, now seen corresponding path program 1 times [2022-12-14 07:25:21,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:25:21,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755381249] [2022-12-14 07:25:21,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:25:21,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:25:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:25:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:25:21,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:25:21,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755381249] [2022-12-14 07:25:21,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755381249] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:25:21,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:25:21,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:25:21,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344629776] [2022-12-14 07:25:21,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:25:21,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:25:21,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:25:21,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:25:21,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:25:21,608 INFO L87 Difference]: Start difference. First operand 3738 states and 5198 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 07:25:23,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:26,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:28,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:25:28,491 INFO L93 Difference]: Finished difference Result 3742 states and 5200 transitions. [2022-12-14 07:25:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:25:28,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-12-14 07:25:28,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:25:28,500 INFO L225 Difference]: With dead ends: 3742 [2022-12-14 07:25:28,500 INFO L226 Difference]: Without dead ends: 3740 [2022-12-14 07:25:28,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:25:28,502 INFO L413 NwaCegarLoop]: 2791 mSDtfsCounter, 3094 mSDsluCounter, 3170 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 5961 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:25:28,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3103 Valid, 5961 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1018 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 07:25:28,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2022-12-14 07:25:28,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3736. [2022-12-14 07:25:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 2316 states have (on average 1.2979274611398963) internal successors, (3006), 2376 states have internal predecessors, (3006), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 318 states have return successors, (1101), 1069 states have call predecessors, (1101), 1087 states have call successors, (1101) [2022-12-14 07:25:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5196 transitions. [2022-12-14 07:25:28,732 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5196 transitions. Word has length 99 [2022-12-14 07:25:28,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:25:28,732 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5196 transitions. [2022-12-14 07:25:28,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 07:25:28,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5196 transitions. [2022-12-14 07:25:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-14 07:25:28,734 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:25:28,734 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:25:28,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 07:25:28,734 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:25:28,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:25:28,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1364000009, now seen corresponding path program 1 times [2022-12-14 07:25:28,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:25:28,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666021839] [2022-12-14 07:25:28,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:25:28,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:25:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:25:28,930 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-12-14 07:25:28,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:25:28,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666021839] [2022-12-14 07:25:28,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666021839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:25:28,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:25:28,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:25:28,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490669365] [2022-12-14 07:25:28,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:25:28,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:25:28,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:25:28,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:25:28,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:25:28,932 INFO L87 Difference]: Start difference. First operand 3736 states and 5196 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 07:25:31,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:33,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:35,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:37,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:40,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:25:40,989 INFO L93 Difference]: Finished difference Result 7465 states and 10392 transitions. [2022-12-14 07:25:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:25:40,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2022-12-14 07:25:40,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:25:40,999 INFO L225 Difference]: With dead ends: 7465 [2022-12-14 07:25:40,999 INFO L226 Difference]: Without dead ends: 3745 [2022-12-14 07:25:41,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:25:41,008 INFO L413 NwaCegarLoop]: 2718 mSDtfsCounter, 4 mSDsluCounter, 8145 mSDsCounter, 0 mSdLazyCounter, 1916 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10863 SdHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1916 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:25:41,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 10863 Invalid, 1919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1916 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2022-12-14 07:25:41,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2022-12-14 07:25:41,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3740. [2022-12-14 07:25:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 2319 states have (on average 1.297542043984476) internal successors, (3009), 2379 states have internal predecessors, (3009), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 319 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-12-14 07:25:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5201 transitions. [2022-12-14 07:25:41,257 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5201 transitions. Word has length 124 [2022-12-14 07:25:41,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:25:41,257 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5201 transitions. [2022-12-14 07:25:41,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 07:25:41,258 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5201 transitions. [2022-12-14 07:25:41,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 07:25:41,260 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:25:41,260 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:25:41,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 07:25:41,260 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:25:41,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:25:41,260 INFO L85 PathProgramCache]: Analyzing trace with hash 716763476, now seen corresponding path program 1 times [2022-12-14 07:25:41,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:25:41,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194697065] [2022-12-14 07:25:41,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:25:41,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:25:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:25:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-12-14 07:25:41,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:25:41,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194697065] [2022-12-14 07:25:41,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194697065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:25:41,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:25:41,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:25:41,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414452591] [2022-12-14 07:25:41,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:25:41,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:25:41,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:25:41,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:25:41,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:25:41,724 INFO L87 Difference]: Start difference. First operand 3740 states and 5201 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 07:25:45,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:47,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:49,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:51,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:55,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:25:55,935 INFO L93 Difference]: Finished difference Result 3740 states and 5201 transitions. [2022-12-14 07:25:55,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:25:55,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2022-12-14 07:25:55,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:25:55,943 INFO L225 Difference]: With dead ends: 3740 [2022-12-14 07:25:55,943 INFO L226 Difference]: Without dead ends: 3738 [2022-12-14 07:25:55,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 07:25:55,945 INFO L413 NwaCegarLoop]: 2713 mSDtfsCounter, 3155 mSDsluCounter, 6753 mSDsCounter, 0 mSdLazyCounter, 3280 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3163 SdHoareTripleChecker+Valid, 9466 SdHoareTripleChecker+Invalid, 3283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3280 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:25:55,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3163 Valid, 9466 Invalid, 3283 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3280 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2022-12-14 07:25:55,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2022-12-14 07:25:56,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3738. [2022-12-14 07:25:56,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3738 states, 2318 states have (on average 1.2963761863675582) internal successors, (3005), 2377 states have internal predecessors, (3005), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 319 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-12-14 07:25:56,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 5197 transitions. [2022-12-14 07:25:56,205 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 5197 transitions. Word has length 113 [2022-12-14 07:25:56,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:25:56,205 INFO L495 AbstractCegarLoop]: Abstraction has 3738 states and 5197 transitions. [2022-12-14 07:25:56,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 07:25:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 5197 transitions. [2022-12-14 07:25:56,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 07:25:56,206 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:25:56,207 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:25:56,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 07:25:56,207 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:25:56,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:25:56,207 INFO L85 PathProgramCache]: Analyzing trace with hash -591865047, now seen corresponding path program 1 times [2022-12-14 07:25:56,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:25:56,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687724094] [2022-12-14 07:25:56,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:25:56,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:25:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:25:56,383 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:25:56,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:25:56,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687724094] [2022-12-14 07:25:56,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687724094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:25:56,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:25:56,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:25:56,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126771687] [2022-12-14 07:25:56,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:25:56,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:25:56,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:25:56,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:25:56,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:25:56,384 INFO L87 Difference]: Start difference. First operand 3738 states and 5197 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:25:58,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:00,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:03,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:04,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:26:04,682 INFO L93 Difference]: Finished difference Result 3740 states and 5198 transitions. [2022-12-14 07:26:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:26:04,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-12-14 07:26:04,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:26:04,690 INFO L225 Difference]: With dead ends: 3740 [2022-12-14 07:26:04,690 INFO L226 Difference]: Without dead ends: 3738 [2022-12-14 07:26:04,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:26:04,692 INFO L413 NwaCegarLoop]: 2787 mSDtfsCounter, 3086 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3097 SdHoareTripleChecker+Valid, 5951 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:26:04,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3097 Valid, 5951 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 07:26:04,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2022-12-14 07:26:04,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3736. [2022-12-14 07:26:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 2317 states have (on average 1.29607250755287) internal successors, (3003), 2375 states have internal predecessors, (3003), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 319 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-12-14 07:26:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5195 transitions. [2022-12-14 07:26:04,949 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5195 transitions. Word has length 104 [2022-12-14 07:26:04,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:26:04,949 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5195 transitions. [2022-12-14 07:26:04,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 07:26:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5195 transitions. [2022-12-14 07:26:04,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-14 07:26:04,950 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:26:04,950 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:26:04,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 07:26:04,950 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:26:04,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:26:04,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1258106545, now seen corresponding path program 1 times [2022-12-14 07:26:04,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:26:04,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440576969] [2022-12-14 07:26:04,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:26:04,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:26:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:26:05,125 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-12-14 07:26:05,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:26:05,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440576969] [2022-12-14 07:26:05,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440576969] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:26:05,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:26:05,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:26:05,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246823517] [2022-12-14 07:26:05,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:26:05,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:26:05,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:26:05,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:26:05,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:26:05,127 INFO L87 Difference]: Start difference. First operand 3736 states and 5195 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 07:26:07,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:08,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:11,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:13,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:14,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:26:14,077 INFO L93 Difference]: Finished difference Result 7452 states and 10556 transitions. [2022-12-14 07:26:14,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:26:14,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2022-12-14 07:26:14,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:26:14,086 INFO L225 Difference]: With dead ends: 7452 [2022-12-14 07:26:14,086 INFO L226 Difference]: Without dead ends: 3732 [2022-12-14 07:26:14,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:26:14,096 INFO L413 NwaCegarLoop]: 2788 mSDtfsCounter, 3077 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3082 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:26:14,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3082 Valid, 3163 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 544 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 07:26:14,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3732 states. [2022-12-14 07:26:14,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3732 to 3732. [2022-12-14 07:26:14,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3732 states, 2313 states have (on average 1.2948551664504973) internal successors, (2995), 2371 states have internal predecessors, (2995), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 319 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-12-14 07:26:14,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 5187 transitions. [2022-12-14 07:26:14,364 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 5187 transitions. Word has length 116 [2022-12-14 07:26:14,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:26:14,365 INFO L495 AbstractCegarLoop]: Abstraction has 3732 states and 5187 transitions. [2022-12-14 07:26:14,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 07:26:14,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 5187 transitions. [2022-12-14 07:26:14,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 07:26:14,366 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:26:14,366 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:26:14,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 07:26:14,366 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:26:14,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:26:14,366 INFO L85 PathProgramCache]: Analyzing trace with hash 544848055, now seen corresponding path program 1 times [2022-12-14 07:26:14,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:26:14,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260485559] [2022-12-14 07:26:14,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:26:14,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:26:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:26:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:26:14,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:26:14,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260485559] [2022-12-14 07:26:14,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260485559] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:26:14,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:26:14,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:26:14,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754995151] [2022-12-14 07:26:14,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:26:14,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:26:14,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:26:14,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:26:14,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:26:14,542 INFO L87 Difference]: Start difference. First operand 3732 states and 5187 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 07:26:16,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:19,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:21,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:22,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:26:22,837 INFO L93 Difference]: Finished difference Result 3732 states and 5187 transitions. [2022-12-14 07:26:22,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:26:22,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-12-14 07:26:22,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:26:22,846 INFO L225 Difference]: With dead ends: 3732 [2022-12-14 07:26:22,847 INFO L226 Difference]: Without dead ends: 3730 [2022-12-14 07:26:22,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:26:22,848 INFO L413 NwaCegarLoop]: 2795 mSDtfsCounter, 3078 mSDsluCounter, 3172 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3089 SdHoareTripleChecker+Valid, 5967 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:26:22,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3089 Valid, 5967 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 07:26:22,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3730 states. [2022-12-14 07:26:23,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3730 to 3730. [2022-12-14 07:26:23,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3730 states, 2312 states have (on average 1.2945501730103806) internal successors, (2993), 2369 states have internal predecessors, (2993), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 319 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-12-14 07:26:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3730 states and 5185 transitions. [2022-12-14 07:26:23,127 INFO L78 Accepts]: Start accepts. Automaton has 3730 states and 5185 transitions. Word has length 109 [2022-12-14 07:26:23,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:26:23,127 INFO L495 AbstractCegarLoop]: Abstraction has 3730 states and 5185 transitions. [2022-12-14 07:26:23,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 07:26:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 5185 transitions. [2022-12-14 07:26:23,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-14 07:26:23,128 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:26:23,128 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:26:23,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 07:26:23,128 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:26:23,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:26:23,129 INFO L85 PathProgramCache]: Analyzing trace with hash -365488570, now seen corresponding path program 1 times [2022-12-14 07:26:23,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:26:23,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146820816] [2022-12-14 07:26:23,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:26:23,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:26:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:26:23,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:26:23,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:26:23,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146820816] [2022-12-14 07:26:23,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146820816] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:26:23,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:26:23,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:26:23,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395968466] [2022-12-14 07:26:23,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:26:23,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:26:23,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:26:23,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:26:23,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:26:23,324 INFO L87 Difference]: Start difference. First operand 3730 states and 5185 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 07:26:26,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:28,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:29,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:26:29,656 INFO L93 Difference]: Finished difference Result 3730 states and 5185 transitions. [2022-12-14 07:26:29,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:26:29,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-12-14 07:26:29,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:26:29,665 INFO L225 Difference]: With dead ends: 3730 [2022-12-14 07:26:29,665 INFO L226 Difference]: Without dead ends: 3728 [2022-12-14 07:26:29,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:26:29,667 INFO L413 NwaCegarLoop]: 2706 mSDtfsCounter, 3147 mSDsluCounter, 2706 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3153 SdHoareTripleChecker+Valid, 5412 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:26:29,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3153 Valid, 5412 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 953 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 07:26:29,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2022-12-14 07:26:29,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3728. [2022-12-14 07:26:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3728 states, 2311 states have (on average 1.2942449156209432) internal successors, (2991), 2367 states have internal predecessors, (2991), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 319 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-12-14 07:26:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 3728 states and 5183 transitions. [2022-12-14 07:26:29,965 INFO L78 Accepts]: Start accepts. Automaton has 3728 states and 5183 transitions. Word has length 114 [2022-12-14 07:26:29,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:26:29,965 INFO L495 AbstractCegarLoop]: Abstraction has 3728 states and 5183 transitions. [2022-12-14 07:26:29,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 07:26:29,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3728 states and 5183 transitions. [2022-12-14 07:26:29,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-14 07:26:29,966 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:26:29,967 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:26:29,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 07:26:29,967 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:26:29,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:26:29,967 INFO L85 PathProgramCache]: Analyzing trace with hash -227432579, now seen corresponding path program 1 times [2022-12-14 07:26:29,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:26:29,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114465789] [2022-12-14 07:26:29,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:26:29,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:26:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:26:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:26:30,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:26:30,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114465789] [2022-12-14 07:26:30,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114465789] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:26:30,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:26:30,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:26:30,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575163498] [2022-12-14 07:26:30,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:26:30,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:26:30,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:26:30,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:26:30,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:26:30,296 INFO L87 Difference]: Start difference. First operand 3728 states and 5183 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 07:26:32,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:34,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:37,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:38,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:26:38,959 INFO L93 Difference]: Finished difference Result 3728 states and 5183 transitions. [2022-12-14 07:26:38,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:26:38,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-12-14 07:26:38,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:26:38,968 INFO L225 Difference]: With dead ends: 3728 [2022-12-14 07:26:38,968 INFO L226 Difference]: Without dead ends: 3726 [2022-12-14 07:26:38,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:26:38,969 INFO L413 NwaCegarLoop]: 2791 mSDtfsCounter, 3072 mSDsluCounter, 3168 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3083 SdHoareTripleChecker+Valid, 5959 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:26:38,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3083 Valid, 5959 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2022-12-14 07:26:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2022-12-14 07:26:39,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 3726. [2022-12-14 07:26:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3726 states, 2310 states have (on average 1.293939393939394) internal successors, (2989), 2365 states have internal predecessors, (2989), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 319 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-12-14 07:26:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3726 states and 5181 transitions. [2022-12-14 07:26:39,288 INFO L78 Accepts]: Start accepts. Automaton has 3726 states and 5181 transitions. Word has length 119 [2022-12-14 07:26:39,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:26:39,288 INFO L495 AbstractCegarLoop]: Abstraction has 3726 states and 5181 transitions. [2022-12-14 07:26:39,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 07:26:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3726 states and 5181 transitions. [2022-12-14 07:26:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-14 07:26:39,290 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:26:39,290 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:26:39,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 07:26:39,290 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:26:39,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:26:39,290 INFO L85 PathProgramCache]: Analyzing trace with hash -943542045, now seen corresponding path program 1 times [2022-12-14 07:26:39,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:26:39,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561918990] [2022-12-14 07:26:39,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:26:39,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:26:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:26:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:26:39,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:26:39,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561918990] [2022-12-14 07:26:39,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561918990] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:26:39,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:26:39,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:26:39,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389617564] [2022-12-14 07:26:39,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:26:39,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:26:39,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:26:39,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:26:39,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:26:39,476 INFO L87 Difference]: Start difference. First operand 3726 states and 5181 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 07:26:41,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:44,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:46,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:47,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:26:47,787 INFO L93 Difference]: Finished difference Result 3726 states and 5181 transitions. [2022-12-14 07:26:47,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:26:47,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-12-14 07:26:47,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:26:47,795 INFO L225 Difference]: With dead ends: 3726 [2022-12-14 07:26:47,796 INFO L226 Difference]: Without dead ends: 3724 [2022-12-14 07:26:47,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:26:47,797 INFO L413 NwaCegarLoop]: 2702 mSDtfsCounter, 3138 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3146 SdHoareTripleChecker+Valid, 5404 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:26:47,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3146 Valid, 5404 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 951 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 07:26:47,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2022-12-14 07:26:48,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3724. [2022-12-14 07:26:48,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3724 states, 2309 states have (on average 1.2936336076223474) internal successors, (2987), 2363 states have internal predecessors, (2987), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 319 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-12-14 07:26:48,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3724 states to 3724 states and 5179 transitions. [2022-12-14 07:26:48,128 INFO L78 Accepts]: Start accepts. Automaton has 3724 states and 5179 transitions. Word has length 124 [2022-12-14 07:26:48,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:26:48,129 INFO L495 AbstractCegarLoop]: Abstraction has 3724 states and 5179 transitions. [2022-12-14 07:26:48,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 07:26:48,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3724 states and 5179 transitions. [2022-12-14 07:26:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-14 07:26:48,130 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:26:48,130 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:26:48,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 07:26:48,130 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:26:48,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:26:48,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1204377061, now seen corresponding path program 1 times [2022-12-14 07:26:48,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:26:48,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589422742] [2022-12-14 07:26:48,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:26:48,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:26:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:26:48,307 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:26:48,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:26:48,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589422742] [2022-12-14 07:26:48,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589422742] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:26:48,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:26:48,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:26:48,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249387921] [2022-12-14 07:26:48,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:26:48,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:26:48,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:26:48,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:26:48,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:26:48,309 INFO L87 Difference]: Start difference. First operand 3724 states and 5179 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 07:26:50,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:52,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:55,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:56,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:26:56,765 INFO L93 Difference]: Finished difference Result 3724 states and 5179 transitions. [2022-12-14 07:26:56,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:26:56,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-12-14 07:26:56,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:26:56,774 INFO L225 Difference]: With dead ends: 3724 [2022-12-14 07:26:56,774 INFO L226 Difference]: Without dead ends: 3722 [2022-12-14 07:26:56,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:26:56,775 INFO L413 NwaCegarLoop]: 2787 mSDtfsCounter, 3066 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3077 SdHoareTripleChecker+Valid, 5951 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:26:56,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3077 Valid, 5951 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2022-12-14 07:26:56,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3722 states. [2022-12-14 07:26:57,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3722 to 3722. [2022-12-14 07:26:57,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3722 states, 2308 states have (on average 1.2933275563258233) internal successors, (2985), 2361 states have internal predecessors, (2985), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 319 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-12-14 07:26:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5177 transitions. [2022-12-14 07:26:57,121 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5177 transitions. Word has length 129 [2022-12-14 07:26:57,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:26:57,121 INFO L495 AbstractCegarLoop]: Abstraction has 3722 states and 5177 transitions. [2022-12-14 07:26:57,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 07:26:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5177 transitions. [2022-12-14 07:26:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-14 07:26:57,122 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:26:57,122 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 07:26:57,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 07:26:57,123 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:26:57,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:26:57,123 INFO L85 PathProgramCache]: Analyzing trace with hash 472830290, now seen corresponding path program 1 times [2022-12-14 07:26:57,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:26:57,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853280212] [2022-12-14 07:26:57,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:26:57,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:26:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:26:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:26:57,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:26:57,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853280212] [2022-12-14 07:26:57,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853280212] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:26:57,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:26:57,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:26:57,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012498607] [2022-12-14 07:26:57,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:26:57,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:26:57,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:26:57,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:26:57,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:26:57,330 INFO L87 Difference]: Start difference. First operand 3722 states and 5177 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 07:26:58,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:00,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:03,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:27:05,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:06,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:27:06,786 INFO L93 Difference]: Finished difference Result 3722 states and 5177 transitions. [2022-12-14 07:27:06,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:27:06,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-12-14 07:27:06,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:27:06,795 INFO L225 Difference]: With dead ends: 3722 [2022-12-14 07:27:06,795 INFO L226 Difference]: Without dead ends: 3720 [2022-12-14 07:27:06,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:27:06,796 INFO L413 NwaCegarLoop]: 2698 mSDtfsCounter, 3132 mSDsluCounter, 2698 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3140 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:27:06,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3140 Valid, 5396 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 950 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2022-12-14 07:27:06,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3720 states. [2022-12-14 07:27:07,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3720 to 3720. [2022-12-14 07:27:07,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3720 states, 2307 states have (on average 1.293021239705245) internal successors, (2983), 2359 states have internal predecessors, (2983), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 319 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-12-14 07:27:07,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 3720 states and 5175 transitions. [2022-12-14 07:27:07,149 INFO L78 Accepts]: Start accepts. Automaton has 3720 states and 5175 transitions. Word has length 134 [2022-12-14 07:27:07,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:27:07,149 INFO L495 AbstractCegarLoop]: Abstraction has 3720 states and 5175 transitions. [2022-12-14 07:27:07,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 07:27:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3720 states and 5175 transitions. [2022-12-14 07:27:07,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-14 07:27:07,151 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:27:07,151 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:27:07,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 07:27:07,151 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:27:07,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:27:07,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1791136500, now seen corresponding path program 1 times [2022-12-14 07:27:07,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:27:07,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936920268] [2022-12-14 07:27:07,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:27:07,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:27:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:27:07,331 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:27:07,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:27:07,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936920268] [2022-12-14 07:27:07,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936920268] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:27:07,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:27:07,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:27:07,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599666472] [2022-12-14 07:27:07,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:27:07,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:27:07,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:27:07,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:27:07,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:27:07,333 INFO L87 Difference]: Start difference. First operand 3720 states and 5175 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 07:27:09,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:12,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:27:14,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:15,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:27:15,966 INFO L93 Difference]: Finished difference Result 3720 states and 5175 transitions. [2022-12-14 07:27:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:27:15,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2022-12-14 07:27:15,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:27:15,975 INFO L225 Difference]: With dead ends: 3720 [2022-12-14 07:27:15,975 INFO L226 Difference]: Without dead ends: 3718 [2022-12-14 07:27:15,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:27:15,976 INFO L413 NwaCegarLoop]: 2773 mSDtfsCounter, 3060 mSDsluCounter, 3150 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3071 SdHoareTripleChecker+Valid, 5923 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:27:15,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3071 Valid, 5923 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2022-12-14 07:27:15,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3718 states. [2022-12-14 07:27:16,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3718 to 3718. [2022-12-14 07:27:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3718 states, 2306 states have (on average 1.292714657415438) internal successors, (2981), 2357 states have internal predecessors, (2981), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 319 states have return successors, (1103), 1070 states have call predecessors, (1103), 1087 states have call successors, (1103) [2022-12-14 07:27:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3718 states and 5173 transitions. [2022-12-14 07:27:16,339 INFO L78 Accepts]: Start accepts. Automaton has 3718 states and 5173 transitions. Word has length 139 [2022-12-14 07:27:16,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:27:16,340 INFO L495 AbstractCegarLoop]: Abstraction has 3718 states and 5173 transitions. [2022-12-14 07:27:16,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 07:27:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 5173 transitions. [2022-12-14 07:27:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 07:27:16,341 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:27:16,341 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:27:16,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 07:27:16,341 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:27:16,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:27:16,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1833434726, now seen corresponding path program 1 times [2022-12-14 07:27:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:27:16,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284067558] [2022-12-14 07:27:16,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:27:16,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:27:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:27:16,522 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 07:27:16,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:27:16,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284067558] [2022-12-14 07:27:16,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284067558] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:27:16,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:27:16,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:27:16,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23058575] [2022-12-14 07:27:16,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:27:16,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:27:16,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:27:16,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:27:16,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:27:16,524 INFO L87 Difference]: Start difference. First operand 3718 states and 5173 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 07:27:18,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:21,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:27:23,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:25,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:27:25,340 INFO L93 Difference]: Finished difference Result 3718 states and 5173 transitions. [2022-12-14 07:27:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:27:25,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-12-14 07:27:25,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:27:25,349 INFO L225 Difference]: With dead ends: 3718 [2022-12-14 07:27:25,349 INFO L226 Difference]: Without dead ends: 3588 [2022-12-14 07:27:25,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:27:25,352 INFO L413 NwaCegarLoop]: 2782 mSDtfsCounter, 3057 mSDsluCounter, 3159 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 5941 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:27:25,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3066 Valid, 5941 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2022-12-14 07:27:25,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3588 states. [2022-12-14 07:27:25,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3588 to 3588. [2022-12-14 07:27:25,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3588 states, 2239 states have (on average 1.300133988387673) internal successors, (2911), 2288 states have internal predecessors, (2911), 1046 states have call successors, (1046), 302 states have call predecessors, (1046), 300 states have return successors, (1062), 1029 states have call predecessors, (1062), 1046 states have call successors, (1062) [2022-12-14 07:27:25,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 3588 states and 5019 transitions. [2022-12-14 07:27:25,714 INFO L78 Accepts]: Start accepts. Automaton has 3588 states and 5019 transitions. Word has length 144 [2022-12-14 07:27:25,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:27:25,714 INFO L495 AbstractCegarLoop]: Abstraction has 3588 states and 5019 transitions. [2022-12-14 07:27:25,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 07:27:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3588 states and 5019 transitions. [2022-12-14 07:27:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-12-14 07:27:25,722 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:27:25,723 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:27:25,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 07:27:25,723 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:27:25,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:27:25,723 INFO L85 PathProgramCache]: Analyzing trace with hash 963747956, now seen corresponding path program 1 times [2022-12-14 07:27:25,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:27:25,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074098951] [2022-12-14 07:27:25,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:27:25,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:27:25,785 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:27:25,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143053962] [2022-12-14 07:27:25,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:27:25,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:27:25,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:27:25,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:27:25,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:27:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:27:26,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 3092 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 07:27:26,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:27:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2022-12-14 07:27:27,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:27:27,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:27:27,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074098951] [2022-12-14 07:27:27,296 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:27:27,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143053962] [2022-12-14 07:27:27,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143053962] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:27:27,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:27:27,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:27:27,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962827362] [2022-12-14 07:27:27,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:27:27,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:27:27,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:27:27,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:27:27,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:27:27,298 INFO L87 Difference]: Start difference. First operand 3588 states and 5019 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-12-14 07:27:29,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:31,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:27:33,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:27:33,654 INFO L93 Difference]: Finished difference Result 7108 states and 10010 transitions. [2022-12-14 07:27:33,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:27:33,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 230 [2022-12-14 07:27:33,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:27:33,663 INFO L225 Difference]: With dead ends: 7108 [2022-12-14 07:27:33,663 INFO L226 Difference]: Without dead ends: 2968 [2022-12-14 07:27:33,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:27:33,673 INFO L413 NwaCegarLoop]: 2559 mSDtfsCounter, 2888 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2892 SdHoareTripleChecker+Valid, 2559 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:27:33,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2892 Valid, 2559 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 455 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-12-14 07:27:33,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2968 states. [2022-12-14 07:27:33,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2968 to 2968. [2022-12-14 07:27:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2968 states, 1827 states have (on average 1.2993979200875752) internal successors, (2374), 1875 states have internal predecessors, (2374), 839 states have call successors, (839), 302 states have call predecessors, (839), 300 states have return successors, (855), 822 states have call predecessors, (855), 839 states have call successors, (855) [2022-12-14 07:27:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2968 states and 4068 transitions. [2022-12-14 07:27:33,965 INFO L78 Accepts]: Start accepts. Automaton has 2968 states and 4068 transitions. Word has length 230 [2022-12-14 07:27:33,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:27:33,966 INFO L495 AbstractCegarLoop]: Abstraction has 2968 states and 4068 transitions. [2022-12-14 07:27:33,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-12-14 07:27:33,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2968 states and 4068 transitions. [2022-12-14 07:27:33,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-12-14 07:27:33,968 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:27:33,968 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:27:33,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:27:34,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:27:34,169 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-12-14 07:27:34,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:27:34,170 INFO L85 PathProgramCache]: Analyzing trace with hash 546416467, now seen corresponding path program 1 times [2022-12-14 07:27:34,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:27:34,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669761317] [2022-12-14 07:27:34,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:27:34,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:27:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:27:35,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-12-14 07:27:35,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:27:35,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669761317] [2022-12-14 07:27:35,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669761317] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:27:35,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213333088] [2022-12-14 07:27:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:27:35,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:27:35,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:27:35,347 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:27:35,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dd422ba-9734-4a8a-aeff-066fa21b3937/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:27:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:27:36,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 3834 conjuncts, 60 conjunts are in the unsatisfiable core [2022-12-14 07:27:36,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:27:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 274 proven. 2 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-12-14 07:27:36,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:27:37,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 16 proven. 81 refuted. 0 times theorem prover too weak. 1079 trivial. 0 not checked. [2022-12-14 07:27:37,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213333088] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:27:37,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [288435425] [2022-12-14 07:27:37,192 INFO L159 IcfgInterpreter]: Started Sifa with 175 locations of interest [2022-12-14 07:27:37,192 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:27:37,195 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:27:37,200 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:27:37,200 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs