./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-26 00:52:47,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:52:47,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:52:47,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:52:47,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:52:47,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:52:47,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:52:47,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:52:47,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:52:47,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:52:47,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:52:47,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:52:47,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:52:47,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:52:47,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:52:47,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:52:47,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:52:47,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:52:47,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:52:47,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:52:47,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:52:47,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:52:47,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:52:47,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:52:47,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:52:47,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:52:47,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:52:47,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:52:47,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:52:47,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:52:47,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:52:47,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:52:47,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:52:47,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:52:47,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:52:47,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:52:47,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:52:47,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:52:47,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:52:47,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:52:47,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:52:47,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:52:47,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:52:47,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:52:47,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:52:47,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:52:47,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:52:47,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:52:47,504 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:52:47,505 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:52:47,505 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:52:47,505 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:52:47,506 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:52:47,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:52:47,507 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:52:47,507 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:52:47,507 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:52:47,507 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:52:47,508 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:52:47,508 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:52:47,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:52:47,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:52:47,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:52:47,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:52:47,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:52:47,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:52:47,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:52:47,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:52:47,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:52:47,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:52:47,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:52:47,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:52:47,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:52:47,512 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:52:47,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:52:47,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:52:47,512 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:52:47,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:52:47,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:52:47,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:52:47,513 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 [2022-11-26 00:52:47,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:52:47,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:52:47,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:52:47,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:52:47,858 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:52:47,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-11-26 00:52:50,867 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:52:51,641 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:52:51,642 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-11-26 00:52:51,717 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/data/a84511ee0/1bdd7fedd6fc438eb8dbdc8df2fdb2a1/FLAG4491b3e87 [2022-11-26 00:52:51,736 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/data/a84511ee0/1bdd7fedd6fc438eb8dbdc8df2fdb2a1 [2022-11-26 00:52:51,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:52:51,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:52:51,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:52:51,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:52:51,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:52:51,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:51" (1/1) ... [2022-11-26 00:52:51,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645a0f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:51, skipping insertion in model container [2022-11-26 00:52:51,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:51" (1/1) ... [2022-11-26 00:52:51,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:52:51,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:52:53,031 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:52:53,039 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:52:53,150 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-11-26 00:52:53,161 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday64 [2022-11-26 00:52:53,239 WARN L623 FunctionHandler]: Unknown extern function __mmc_claim_host [2022-11-26 00:52:53,400 WARN L623 FunctionHandler]: Unknown extern function mmc_set_blocklen [2022-11-26 00:52:53,413 WARN L623 FunctionHandler]: Unknown extern function mmc_set_data_timeout [2022-11-26 00:52:53,429 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_cmd [2022-11-26 00:52:53,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:53,499 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,500 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-11-26 00:52:53,511 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-26 00:52:53,516 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:53,517 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:53,524 WARN L623 FunctionHandler]: Unknown extern function nr_free_buffer_pages [2022-11-26 00:52:53,537 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-26 00:52:53,541 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-11-26 00:52:53,559 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-26 00:52:53,562 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-11-26 00:52:53,563 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:52:53,620 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:53,636 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:53,749 WARN L623 FunctionHandler]: Unknown extern function mmc_start_req [2022-11-26 00:52:53,755 WARN L623 FunctionHandler]: Unknown extern function mmc_start_req [2022-11-26 00:52:53,785 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-11-26 00:52:53,803 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,805 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-11-26 00:52:53,812 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:52:53,813 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-11-26 00:52:53,813 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:52:53,814 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-26 00:52:53,825 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:52:53,825 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-26 00:52:53,828 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:52:53,829 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-26 00:52:53,835 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,842 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,849 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,855 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,862 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,869 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,876 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,883 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,889 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,896 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,902 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,908 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,916 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,923 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:53,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:53,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:53,987 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-11-26 00:52:53,988 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:53,993 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:54,061 WARN L623 FunctionHandler]: Unknown extern function mmc_can_trim [2022-11-26 00:52:54,062 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-11-26 00:52:54,063 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:54,064 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:54,094 WARN L623 FunctionHandler]: Unknown extern function mmc_can_trim [2022-11-26 00:52:54,094 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-11-26 00:52:54,095 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:54,154 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-11-26 00:52:54,155 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:54,156 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:54,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,163 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,224 WARN L623 FunctionHandler]: Unknown extern function mmc_can_reset [2022-11-26 00:52:54,225 WARN L623 FunctionHandler]: Unknown extern function mmc_hw_reset [2022-11-26 00:52:54,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,240 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,245 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,252 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,252 WARN L623 FunctionHandler]: Unknown extern function mmc_release_host [2022-11-26 00:52:54,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:54,260 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:54,260 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:54,261 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:54,261 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:54,268 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:52:54,269 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:52:54,275 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:52:54,281 WARN L623 FunctionHandler]: Unknown extern function kstrtol_from_user [2022-11-26 00:52:54,283 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:54,284 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:54,289 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:52:54,296 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:52:54,302 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:52:54,303 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:54,303 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:54,309 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 00:52:54,309 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:52:54,310 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:52:54,310 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:52:54,322 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:52:55,175 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-26 00:52:55,175 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-26 00:52:55,176 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-26 00:52:55,176 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-26 00:52:55,177 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-26 00:52:55,178 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-26 00:52:55,206 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:52:55,212 WARN L623 FunctionHandler]: Unknown extern function mmc_register_driver [2022-11-26 00:52:55,213 WARN L623 FunctionHandler]: Unknown extern function mmc_unregister_driver [2022-11-26 00:52:55,741 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:52:56,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:52:56,571 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2022-11-26 00:52:56,576 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2022-11-26 00:52:56,577 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2022-11-26 00:52:56,578 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2022-11-26 00:52:56,585 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2022-11-26 00:52:56,586 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2022-11-26 00:52:56,587 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2022-11-26 00:52:56,588 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2022-11-26 00:52:56,588 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2022-11-26 00:52:56,589 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2022-11-26 00:52:56,589 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2022-11-26 00:52:56,590 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2022-11-26 00:52:56,591 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2022-11-26 00:52:56,592 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2022-11-26 00:52:56,592 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2022-11-26 00:52:56,593 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2022-11-26 00:52:56,594 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2022-11-26 00:52:56,595 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2022-11-26 00:52:56,595 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2022-11-26 00:52:56,603 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2022-11-26 00:52:56,604 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2022-11-26 00:52:56,604 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2022-11-26 00:52:56,605 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2022-11-26 00:52:56,605 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2022-11-26 00:52:56,606 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2022-11-26 00:52:56,606 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2022-11-26 00:52:56,607 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2022-11-26 00:52:56,607 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2022-11-26 00:52:56,607 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2022-11-26 00:52:56,608 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2022-11-26 00:52:56,609 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2022-11-26 00:52:56,609 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2022-11-26 00:52:56,610 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2022-11-26 00:52:56,610 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2022-11-26 00:52:56,612 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2022-11-26 00:52:56,613 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2022-11-26 00:52:56,617 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2022-11-26 00:52:56,618 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2022-11-26 00:52:56,619 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2022-11-26 00:52:56,620 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2022-11-26 00:52:56,621 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2022-11-26 00:52:56,622 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2022-11-26 00:52:56,624 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2022-11-26 00:52:56,624 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2022-11-26 00:52:56,625 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2022-11-26 00:52:56,630 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2022-11-26 00:52:56,632 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2022-11-26 00:52:56,633 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2022-11-26 00:52:56,634 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2022-11-26 00:52:56,635 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2022-11-26 00:52:56,635 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2022-11-26 00:52:56,636 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2022-11-26 00:52:56,636 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2022-11-26 00:52:56,637 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2022-11-26 00:52:56,637 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2022-11-26 00:52:56,638 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2022-11-26 00:52:56,638 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2022-11-26 00:52:56,638 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2022-11-26 00:52:56,639 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2022-11-26 00:52:56,639 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2022-11-26 00:52:56,640 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2022-11-26 00:52:56,641 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2022-11-26 00:52:56,641 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2022-11-26 00:52:56,641 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2022-11-26 00:52:56,642 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2022-11-26 00:52:56,642 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2022-11-26 00:52:56,643 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2022-11-26 00:52:56,643 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2022-11-26 00:52:56,644 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2022-11-26 00:52:56,644 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2022-11-26 00:52:56,644 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2022-11-26 00:52:56,645 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2022-11-26 00:52:56,645 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2022-11-26 00:52:56,646 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2022-11-26 00:52:56,646 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2022-11-26 00:52:56,646 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2022-11-26 00:52:56,647 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2022-11-26 00:52:56,648 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2022-11-26 00:52:56,648 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2022-11-26 00:52:56,648 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2022-11-26 00:52:56,649 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2022-11-26 00:52:56,649 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2022-11-26 00:52:56,650 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2022-11-26 00:52:56,650 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2022-11-26 00:52:56,650 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2022-11-26 00:52:56,651 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2022-11-26 00:52:56,651 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2022-11-26 00:52:56,652 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2022-11-26 00:52:56,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:52:56,702 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:52:56,799 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:52:56,800 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:52:56,804 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-11-26 00:52:56,805 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday64 [2022-11-26 00:52:56,806 WARN L623 FunctionHandler]: Unknown extern function __mmc_claim_host [2022-11-26 00:52:56,810 WARN L623 FunctionHandler]: Unknown extern function mmc_set_blocklen [2022-11-26 00:52:56,813 WARN L623 FunctionHandler]: Unknown extern function mmc_set_data_timeout [2022-11-26 00:52:56,816 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_cmd [2022-11-26 00:52:56,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:56,833 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,833 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-11-26 00:52:56,840 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-26 00:52:56,843 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:56,843 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:56,844 WARN L623 FunctionHandler]: Unknown extern function nr_free_buffer_pages [2022-11-26 00:52:56,849 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-26 00:52:56,851 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-11-26 00:52:56,853 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-26 00:52:56,855 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-11-26 00:52:56,855 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:52:56,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:56,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:56,889 WARN L623 FunctionHandler]: Unknown extern function mmc_start_req [2022-11-26 00:52:56,895 WARN L623 FunctionHandler]: Unknown extern function mmc_start_req [2022-11-26 00:52:56,903 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-11-26 00:52:56,912 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,912 WARN L623 FunctionHandler]: Unknown extern function mmc_wait_for_req [2022-11-26 00:52:56,964 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:52:56,965 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-11-26 00:52:56,965 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:52:56,965 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-26 00:52:56,967 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:52:56,967 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-26 00:52:56,967 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:52:56,967 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-26 00:52:56,968 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,970 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,971 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,972 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,974 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,975 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,976 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,977 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,978 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,979 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,980 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,980 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,982 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,983 WARN L623 FunctionHandler]: Unknown extern function sg_init_one [2022-11-26 00:52:56,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:56,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:56,993 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-11-26 00:52:56,994 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:56,994 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:57,002 WARN L623 FunctionHandler]: Unknown extern function mmc_can_trim [2022-11-26 00:52:57,003 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-11-26 00:52:57,004 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:57,005 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:57,009 WARN L623 FunctionHandler]: Unknown extern function mmc_can_trim [2022-11-26 00:52:57,010 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-11-26 00:52:57,011 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:57,019 WARN L623 FunctionHandler]: Unknown extern function mmc_can_erase [2022-11-26 00:52:57,020 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:57,021 WARN L623 FunctionHandler]: Unknown extern function mmc_erase [2022-11-26 00:52:57,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,036 WARN L623 FunctionHandler]: Unknown extern function mmc_can_reset [2022-11-26 00:52:57,037 WARN L623 FunctionHandler]: Unknown extern function mmc_hw_reset [2022-11-26 00:52:57,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,064 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,079 WARN L623 FunctionHandler]: Unknown extern function mmc_release_host [2022-11-26 00:52:57,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:57,086 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:57,087 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:57,087 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:57,087 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:57,092 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:52:57,093 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:52:57,094 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:52:57,095 WARN L623 FunctionHandler]: Unknown extern function kstrtol_from_user [2022-11-26 00:52:57,096 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:57,097 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:57,097 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-26 00:52:57,098 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-11-26 00:52:57,100 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:52:57,100 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:57,100 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:57,101 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-11-26 00:52:57,101 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:52:57,102 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove [2022-11-26 00:52:57,102 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:52:57,104 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:52:57,137 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-26 00:52:57,137 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-26 00:52:57,138 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-26 00:52:57,138 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-26 00:52:57,139 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-26 00:52:57,139 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-11-26 00:52:57,160 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:52:57,161 WARN L623 FunctionHandler]: Unknown extern function mmc_register_driver [2022-11-26 00:52:57,161 WARN L623 FunctionHandler]: Unknown extern function mmc_unregister_driver [2022-11-26 00:52:57,174 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:52:57,189 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:52:57,209 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2022-11-26 00:52:57,214 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2022-11-26 00:52:57,215 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2022-11-26 00:52:57,216 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2022-11-26 00:52:57,217 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2022-11-26 00:52:57,218 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2022-11-26 00:52:57,219 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2022-11-26 00:52:57,219 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2022-11-26 00:52:57,220 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2022-11-26 00:52:57,220 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2022-11-26 00:52:57,220 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2022-11-26 00:52:57,221 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2022-11-26 00:52:57,221 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2022-11-26 00:52:57,221 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2022-11-26 00:52:57,222 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2022-11-26 00:52:57,222 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2022-11-26 00:52:57,226 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2022-11-26 00:52:57,227 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2022-11-26 00:52:57,227 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2022-11-26 00:52:57,228 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2022-11-26 00:52:57,228 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2022-11-26 00:52:57,228 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2022-11-26 00:52:57,229 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2022-11-26 00:52:57,229 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2022-11-26 00:52:57,230 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2022-11-26 00:52:57,230 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2022-11-26 00:52:57,230 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2022-11-26 00:52:57,231 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2022-11-26 00:52:57,231 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2022-11-26 00:52:57,232 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2022-11-26 00:52:57,232 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2022-11-26 00:52:57,232 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2022-11-26 00:52:57,233 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2022-11-26 00:52:57,233 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2022-11-26 00:52:57,233 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2022-11-26 00:52:57,234 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2022-11-26 00:52:57,234 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2022-11-26 00:52:57,235 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2022-11-26 00:52:57,235 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2022-11-26 00:52:57,235 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2022-11-26 00:52:57,236 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2022-11-26 00:52:57,237 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2022-11-26 00:52:57,237 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2022-11-26 00:52:57,238 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2022-11-26 00:52:57,239 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2022-11-26 00:52:57,239 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2022-11-26 00:52:57,240 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2022-11-26 00:52:57,240 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2022-11-26 00:52:57,240 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2022-11-26 00:52:57,241 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2022-11-26 00:52:57,241 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2022-11-26 00:52:57,242 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2022-11-26 00:52:57,242 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2022-11-26 00:52:57,242 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2022-11-26 00:52:57,243 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2022-11-26 00:52:57,243 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2022-11-26 00:52:57,243 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2022-11-26 00:52:57,244 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2022-11-26 00:52:57,244 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2022-11-26 00:52:57,244 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2022-11-26 00:52:57,245 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2022-11-26 00:52:57,245 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2022-11-26 00:52:57,246 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2022-11-26 00:52:57,246 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2022-11-26 00:52:57,247 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2022-11-26 00:52:57,252 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2022-11-26 00:52:57,252 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2022-11-26 00:52:57,253 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2022-11-26 00:52:57,253 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2022-11-26 00:52:57,254 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2022-11-26 00:52:57,254 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2022-11-26 00:52:57,254 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2022-11-26 00:52:57,255 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2022-11-26 00:52:57,256 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2022-11-26 00:52:57,256 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2022-11-26 00:52:57,257 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2022-11-26 00:52:57,257 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2022-11-26 00:52:57,257 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2022-11-26 00:52:57,259 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2022-11-26 00:52:57,260 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2022-11-26 00:52:57,260 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2022-11-26 00:52:57,261 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2022-11-26 00:52:57,262 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2022-11-26 00:52:57,262 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2022-11-26 00:52:57,263 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2022-11-26 00:52:57,263 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2022-11-26 00:52:57,322 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2022-11-26 00:52:57,322 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_338b66f0-d0bd-4283-a9ab-32ccd38b5121/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2022-11-26 00:52:57,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:52:57,574 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:52:57,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57 WrapperNode [2022-11-26 00:52:57,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:52:57,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:52:57,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:52:57,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:52:57,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (1/1) ... [2022-11-26 00:52:57,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (1/1) ... [2022-11-26 00:52:57,986 INFO L138 Inliner]: procedures = 745, calls = 3015, calls flagged for inlining = 366, calls inlined = 283, statements flattened = 6653 [2022-11-26 00:52:57,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:52:57,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:52:57,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:52:57,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:52:58,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (1/1) ... [2022-11-26 00:52:58,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (1/1) ... [2022-11-26 00:52:58,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (1/1) ... [2022-11-26 00:52:58,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (1/1) ... [2022-11-26 00:52:58,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (1/1) ... [2022-11-26 00:52:58,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (1/1) ... [2022-11-26 00:52:58,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (1/1) ... [2022-11-26 00:52:58,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (1/1) ... [2022-11-26 00:52:58,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:52:58,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:52:58,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:52:58,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:52:58,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (1/1) ... [2022-11-26 00:52:58,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:52:58,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:52:58,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:52:58,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:52:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_fill [2022-11-26 00:52:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_fill [2022-11-26 00:52:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_perf [2022-11-26 00:52:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_perf [2022-11-26 00:52:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:52:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:52:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:52:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:52:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_write [2022-11-26 00:52:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_write [2022-11-26 00:52:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:52:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:52:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rate [2022-11-26 00:52:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rate [2022-11-26 00:52:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_read [2022-11-26 00:52:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_read [2022-11-26 00:52:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_no_highmem [2022-11-26 00:52:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_no_highmem [2022-11-26 00:52:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_write [2022-11-26 00:52:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_write [2022-11-26 00:52:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:52:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:52:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-26 00:52:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-26 00:52:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_prepare [2022-11-26 00:52:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_prepare [2022-11-26 00:52:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_perf_max_scatter [2022-11-26 00:52:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_perf_max_scatter [2022-11-26 00:52:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:52:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:52:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_check_result [2022-11-26 00:52:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_check_result [2022-11-26 00:52:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:52:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:52:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_write [2022-11-26 00:52:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_write [2022-11-26 00:52:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_register_dbgfs_file [2022-11-26 00:52:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_register_dbgfs_file [2022-11-26 00:52:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_read [2022-11-26 00:52:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_read [2022-11-26 00:52:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:52:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:52:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_broken_transfer [2022-11-26 00:52:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_broken_transfer [2022-11-26 00:52:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:52:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:52:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-26 00:52:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-26 00:52:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:52:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:52:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_cleanup [2022-11-26 00:52:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_cleanup [2022-11-26 00:52:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-26 00:52:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-26 00:52:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:52:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-26 00:52:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-26 00:52:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_perf [2022-11-26 00:52:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_perf [2022-11-26 00:52:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io [2022-11-26 00:52:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io [2022-11-26 00:52:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-26 00:52:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-26 00:52:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:52:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:52:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_mem [2022-11-26 00:52:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_mem [2022-11-26 00:52:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:52:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:52:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-26 00:52:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-26 00:52:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_erase [2022-11-26 00:52:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_erase [2022-11-26 00:52:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_blocking_perf [2022-11-26 00:52:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_blocking_perf [2022-11-26 00:52:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_result [2022-11-26 00:52:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_result [2022-11-26 00:52:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_avg_rate [2022-11-26 00:52:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_avg_rate [2022-11-26 00:52:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-26 00:52:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-26 00:52:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:52:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:52:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_performance [2022-11-26 00:52:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_performance [2022-11-26 00:52:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:52:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:52:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:52:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:52:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:52:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-26 00:52:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-26 00:52:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_erase [2022-11-26 00:52:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_erase [2022-11-26 00:52:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:52:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:52:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_init [2022-11-26 00:52:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_init [2022-11-26 00:52:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:52:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:52:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-26 00:52:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-26 00:52:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_write [2022-11-26 00:52:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_write [2022-11-26 00:52:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-26 00:52:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-26 00:52:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:52:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:52:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_performance [2022-11-26 00:52:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_performance [2022-11-26 00:52:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_nonblock_reset [2022-11-26 00:52:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_nonblock_reset [2022-11-26 00:52:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-26 00:52:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-26 00:52:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:52:58,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:52:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_nonblock_perf [2022-11-26 00:52:58,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_nonblock_perf [2022-11-26 00:52:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:52:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-26 00:52:58,473 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-26 00:52:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_blocking_perf [2022-11-26 00:52:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_blocking_perf [2022-11-26 00:52:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_write [2022-11-26 00:52:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_write [2022-11-26 00:52:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-26 00:52:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-26 00:52:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-26 00:52:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-26 00:52:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:52:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_sg_len [2022-11-26 00:52:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_sg_len [2022-11-26 00:52:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_read_perf [2022-11-26 00:52:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_read_perf [2022-11-26 00:52:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:52:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:52:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:52:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_read [2022-11-26 00:52:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_read [2022-11-26 00:52:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_simple_transfer [2022-11-26 00:52:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_simple_transfer [2022-11-26 00:52:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure sg_mark_end [2022-11-26 00:52:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_mark_end [2022-11-26 00:52:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:52:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:52:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_num [2022-11-26 00:52:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_num [2022-11-26 00:52:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_fill [2022-11-26 00:52:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_fill [2022-11-26 00:52:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_read_perf [2022-11-26 00:52:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_read_perf [2022-11-26 00:52:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_read_perf [2022-11-26 00:52:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_read_perf [2022-11-26 00:52:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_performance [2022-11-26 00:52:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_performance [2022-11-26 00:52:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:52:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:52:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_remove [2022-11-26 00:52:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_remove [2022-11-26 00:52:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-26 00:52:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-26 00:52:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_read [2022-11-26 00:52:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_read [2022-11-26 00:52:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2022-11-26 00:52:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2022-11-26 00:52:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:52:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:52:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_start_req [2022-11-26 00:52:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_start_req [2022-11-26 00:52:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_wait_busy [2022-11-26 00:52:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_wait_busy [2022-11-26 00:52:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:52:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:52:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_read_perf [2022-11-26 00:52:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_read_perf [2022-11-26 00:52:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_buffer_transfer [2022-11-26 00:52:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_buffer_transfer [2022-11-26 00:52:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-26 00:52:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-26 00:52:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_read [2022-11-26 00:52:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_read [2022-11-26 00:52:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2022-11-26 00:52:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2022-11-26 00:52:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-26 00:52:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-26 00:52:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_write [2022-11-26 00:52:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_write [2022-11-26 00:52:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_blocking_perf [2022-11-26 00:52:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_blocking_perf [2022-11-26 00:52:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:52:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:52:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_write_perf [2022-11-26 00:52:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_write_perf [2022-11-26 00:52:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_trim_perf [2022-11-26 00:52:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_trim_perf [2022-11-26 00:52:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_write_perf [2022-11-26 00:52:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_write_perf [2022-11-26 00:52:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:52:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:52:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure mtf_test_write [2022-11-26 00:52:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mtf_test_write [2022-11-26 00:52:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_write_perf [2022-11-26 00:52:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_write_perf [2022-11-26 00:52:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:52:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:52:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:52:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_write [2022-11-26 00:52:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_write [2022-11-26 00:52:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:52:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:52:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_read [2022-11-26 00:52:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_read [2022-11-26 00:52:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io_seq [2022-11-26 00:52:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io_seq [2022-11-26 00:52:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-26 00:52:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-26 00:52:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_set_blksize [2022-11-26 00:52:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_set_blksize [2022-11-26 00:52:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:52:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_transfer [2022-11-26 00:52:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_transfer [2022-11-26 00:52:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_nonblock_perf [2022-11-26 00:52:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_nonblock_perf [2022-11-26 00:52:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_nonblock_perf [2022-11-26 00:52:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_nonblock_perf [2022-11-26 00:52:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_size [2022-11-26 00:52:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_size [2022-11-26 00:52:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_save_transfer_result [2022-11-26 00:52:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_save_transfer_result [2022-11-26 00:52:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_shutdown [2022-11-26 00:52:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_shutdown [2022-11-26 00:52:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_read [2022-11-26 00:52:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_read [2022-11-26 00:52:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:52:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-11-26 00:52:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-11-26 00:52:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_erase [2022-11-26 00:52:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_erase [2022-11-26 00:52:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_busy [2022-11-26 00:52:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_busy [2022-11-26 00:52:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_write_perf [2022-11-26 00:52:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_write_perf [2022-11-26 00:52:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_dbgfs_file [2022-11-26 00:52:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_dbgfs_file [2022-11-26 00:52:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 00:52:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 00:52:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:52:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:52:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_perf_max_scatter [2022-11-26 00:52:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_perf_max_scatter [2022-11-26 00:52:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:52:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:52:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_perf [2022-11-26 00:52:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_perf [2022-11-26 00:52:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:52:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:52:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_read [2022-11-26 00:52:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_read [2022-11-26 00:52:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:52:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:52:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:52:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:52:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:52:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:52:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_capacity [2022-11-26 00:52:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_capacity [2022-11-26 00:52:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-26 00:52:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-26 00:52:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_wait_for_req [2022-11-26 00:52:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_wait_for_req [2022-11-26 00:52:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_hw_reset [2022-11-26 00:52:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_hw_reset [2022-11-26 00:52:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_multi_write [2022-11-26 00:52:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_multi_write [2022-11-26 00:52:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:52:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:52:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:52:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:52:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_mrq [2022-11-26 00:52:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_mrq [2022-11-26 00:52:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:52:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:52:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_write_perf [2022-11-26 00:52:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_write_perf [2022-11-26 00:52:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_erase [2022-11-26 00:52:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_erase [2022-11-26 00:52:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple [2022-11-26 00:52:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple [2022-11-26 00:52:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:52:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:52:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:52:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-26 00:52:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-26 00:52:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:52:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:52:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_rate [2022-11-26 00:52:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_rate [2022-11-26 00:52:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_trim [2022-11-26 00:52:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_trim [2022-11-26 00:52:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_write [2022-11-26 00:52:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_write [2022-11-26 00:52:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:52:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:52:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_perf [2022-11-26 00:52:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_perf [2022-11-26 00:52:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_write [2022-11-26 00:52:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_write [2022-11-26 00:52:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_nonblock_perf [2022-11-26 00:52:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_nonblock_perf [2022-11-26 00:52:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2022-11-26 00:52:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2022-11-26 00:52:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_read [2022-11-26 00:52:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_read [2022-11-26 00:52:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_blocking_perf [2022-11-26 00:52:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_blocking_perf [2022-11-26 00:52:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_probe [2022-11-26 00:52:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_probe [2022-11-26 00:52:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:52:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:52:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:52:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:52:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_read_perf [2022-11-26 00:52:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_read_perf [2022-11-26 00:52:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_trim_perf [2022-11-26 00:52:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_trim_perf [2022-11-26 00:52:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-11-26 00:52:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-11-26 00:52:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:52:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_cleanup [2022-11-26 00:52:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_cleanup [2022-11-26 00:52:59,788 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:52:59,792 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:53:00,412 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:53:20,972 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:53:22,716 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:53:22,716 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:53:22,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:53:22 BoogieIcfgContainer [2022-11-26 00:53:22,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:53:22,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:53:22,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:53:22,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:53:22,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:52:51" (1/3) ... [2022-11-26 00:53:22,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d569ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:53:22, skipping insertion in model container [2022-11-26 00:53:22,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:57" (2/3) ... [2022-11-26 00:53:22,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d569ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:53:22, skipping insertion in model container [2022-11-26 00:53:22,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:53:22" (3/3) ... [2022-11-26 00:53:22,736 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2022-11-26 00:53:22,756 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:53:22,756 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2022-11-26 00:53:22,871 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:53:22,880 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;@d895df0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:53:22,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-26 00:53:22,897 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) [2022-11-26 00:53:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-26 00:53:22,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:22,908 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] [2022-11-26 00:53:22,908 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)] === [2022-11-26 00:53:22,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:22,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1540377636, now seen corresponding path program 1 times [2022-11-26 00:53:22,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:22,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230997861] [2022-11-26 00:53:22,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:22,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:53:24,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:24,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230997861] [2022-11-26 00:53:24,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230997861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:24,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:24,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:53:24,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263250822] [2022-11-26 00:53:24,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:24,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:53:24,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:24,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:53:24,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:53:24,108 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) [2022-11-26 00:53:26,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:53:29,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:31,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:53:32,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:32,635 INFO L93 Difference]: Finished difference Result 4961 states and 7349 transitions. [2022-11-26 00:53:32,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:53:32,638 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 [2022-11-26 00:53:32,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:32,672 INFO L225 Difference]: With dead ends: 4961 [2022-11-26 00:53:32,672 INFO L226 Difference]: Without dead ends: 2588 [2022-11-26 00:53:32,692 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 [2022-11-26 00:53:32,695 INFO L413 NwaCegarLoop]: 2923 mSDtfsCounter, 3223 mSDsluCounter, 3304 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3232 SdHoareTripleChecker+Valid, 6227 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:32,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3232 Valid, 6227 Invalid, 1030 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1028 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-11-26 00:53:32,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2022-11-26 00:53:32,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2580. [2022-11-26 00:53:32,964 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) [2022-11-26 00:53:32,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 3592 transitions. [2022-11-26 00:53:32,992 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 3592 transitions. Word has length 47 [2022-11-26 00:53:32,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:32,993 INFO L495 AbstractCegarLoop]: Abstraction has 2580 states and 3592 transitions. [2022-11-26 00:53:32,993 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) [2022-11-26 00:53:32,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 3592 transitions. [2022-11-26 00:53:32,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:53:32,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:32,998 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] [2022-11-26 00:53:32,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:53:32,999 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)] === [2022-11-26 00:53:32,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:33,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1705083789, now seen corresponding path program 1 times [2022-11-26 00:53:33,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:33,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600323025] [2022-11-26 00:53:33,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:33,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:53:33,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:33,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600323025] [2022-11-26 00:53:33,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600323025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:33,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:33,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:53:33,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010265052] [2022-11-26 00:53:33,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:33,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:53:33,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:33,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:53:33,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:53:33,657 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) [2022-11-26 00:53:36,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:53:38,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:41,226 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 [] [2022-11-26 00:53:42,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:42,486 INFO L93 Difference]: Finished difference Result 2588 states and 3600 transitions. [2022-11-26 00:53:42,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:53:42,486 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 [2022-11-26 00:53:42,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:42,502 INFO L225 Difference]: With dead ends: 2588 [2022-11-26 00:53:42,503 INFO L226 Difference]: Without dead ends: 2586 [2022-11-26 00:53:42,505 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 [2022-11-26 00:53:42,506 INFO L413 NwaCegarLoop]: 2825 mSDtfsCounter, 3120 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3131 SdHoareTripleChecker+Valid, 6029 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:42,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3131 Valid, 6029 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1024 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2022-11-26 00:53:42,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2586 states. [2022-11-26 00:53:42,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2586 to 2578. [2022-11-26 00:53:42,645 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) [2022-11-26 00:53:42,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2578 states and 3590 transitions. [2022-11-26 00:53:42,663 INFO L78 Accepts]: Start accepts. Automaton has 2578 states and 3590 transitions. Word has length 52 [2022-11-26 00:53:42,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:42,664 INFO L495 AbstractCegarLoop]: Abstraction has 2578 states and 3590 transitions. [2022-11-26 00:53:42,664 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) [2022-11-26 00:53:42,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3590 transitions. [2022-11-26 00:53:42,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-26 00:53:42,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:42,674 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] [2022-11-26 00:53:42,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:53:42,675 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)] === [2022-11-26 00:53:42,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:42,684 INFO L85 PathProgramCache]: Analyzing trace with hash 2106898448, now seen corresponding path program 1 times [2022-11-26 00:53:42,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:42,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461208427] [2022-11-26 00:53:42,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:42,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:53:43,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:43,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461208427] [2022-11-26 00:53:43,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461208427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:43,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:43,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:53:43,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032927693] [2022-11-26 00:53:43,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:43,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:53:43,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:43,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:53:43,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:53:43,599 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) [2022-11-26 00:53:46,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:53:48,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:51,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:53:54,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:54,183 INFO L93 Difference]: Finished difference Result 3761 states and 5217 transitions. [2022-11-26 00:53:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:53:54,184 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 [2022-11-26 00:53:54,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:54,214 INFO L225 Difference]: With dead ends: 3761 [2022-11-26 00:53:54,214 INFO L226 Difference]: Without dead ends: 3759 [2022-11-26 00:53:54,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:53:54,221 INFO L413 NwaCegarLoop]: 3815 mSDtfsCounter, 3040 mSDsluCounter, 9217 mSDsCounter, 0 mSdLazyCounter, 1829 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s 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, 10.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:54,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 13032 Invalid, 1834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1829 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2022-11-26 00:53:54,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2022-11-26 00:53:54,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3736. [2022-11-26 00:53:54,477 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) [2022-11-26 00:53:54,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5191 transitions. [2022-11-26 00:53:54,500 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5191 transitions. Word has length 56 [2022-11-26 00:53:54,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:54,500 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5191 transitions. [2022-11-26 00:53:54,501 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) [2022-11-26 00:53:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5191 transitions. [2022-11-26 00:53:54,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 00:53:54,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:54,502 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] [2022-11-26 00:53:54,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:53:54,503 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)] === [2022-11-26 00:53:54,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:54,503 INFO L85 PathProgramCache]: Analyzing trace with hash -952746910, now seen corresponding path program 1 times [2022-11-26 00:53:54,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:54,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416824099] [2022-11-26 00:53:54,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:54,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:53:54,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:54,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416824099] [2022-11-26 00:53:54,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416824099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:54,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:54,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:53:54,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447474433] [2022-11-26 00:53:54,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:54,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:53:54,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:54,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:53:54,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:53:54,895 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) [2022-11-26 00:53:57,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:53:59,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:01,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:01,602 INFO L93 Difference]: Finished difference Result 3744 states and 5199 transitions. [2022-11-26 00:54:01,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:54:01,603 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 [2022-11-26 00:54:01,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:01,625 INFO L225 Difference]: With dead ends: 3744 [2022-11-26 00:54:01,625 INFO L226 Difference]: Without dead ends: 3742 [2022-11-26 00:54:01,629 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 [2022-11-26 00:54:01,630 INFO L413 NwaCegarLoop]: 2819 mSDtfsCounter, 3120 mSDsluCounter, 3198 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3129 SdHoareTripleChecker+Valid, 6017 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:01,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3129 Valid, 6017 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1024 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-26 00:54:01,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-11-26 00:54:01,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3736. [2022-11-26 00:54:01,891 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) [2022-11-26 00:54:01,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5193 transitions. [2022-11-26 00:54:01,911 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5193 transitions. Word has length 57 [2022-11-26 00:54:01,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:01,911 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5193 transitions. [2022-11-26 00:54:01,912 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) [2022-11-26 00:54:01,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5193 transitions. [2022-11-26 00:54:01,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-26 00:54:01,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:01,913 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] [2022-11-26 00:54:01,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:54:01,914 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)] === [2022-11-26 00:54:01,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:01,915 INFO L85 PathProgramCache]: Analyzing trace with hash 275164187, now seen corresponding path program 1 times [2022-11-26 00:54:01,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:01,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684016822] [2022-11-26 00:54:01,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:01,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:54:02,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:02,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684016822] [2022-11-26 00:54:02,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684016822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:02,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:02,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:02,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917494723] [2022-11-26 00:54:02,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:02,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:02,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:02,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:02,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:54:02,272 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) [2022-11-26 00:54:04,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:06,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:09,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:10,615 INFO L93 Difference]: Finished difference Result 3742 states and 5197 transitions. [2022-11-26 00:54:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:54:10,615 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 [2022-11-26 00:54:10,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:10,636 INFO L225 Difference]: With dead ends: 3742 [2022-11-26 00:54:10,637 INFO L226 Difference]: Without dead ends: 3740 [2022-11-26 00:54:10,640 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 [2022-11-26 00:54:10,641 INFO L413 NwaCegarLoop]: 2817 mSDtfsCounter, 3117 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3126 SdHoareTripleChecker+Valid, 6013 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:10,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3126 Valid, 6013 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1024 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-11-26 00:54:10,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2022-11-26 00:54:10,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3734. [2022-11-26 00:54:10,918 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) [2022-11-26 00:54:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3734 states and 5191 transitions. [2022-11-26 00:54:10,939 INFO L78 Accepts]: Start accepts. Automaton has 3734 states and 5191 transitions. Word has length 62 [2022-11-26 00:54:10,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:10,941 INFO L495 AbstractCegarLoop]: Abstraction has 3734 states and 5191 transitions. [2022-11-26 00:54:10,942 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) [2022-11-26 00:54:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 5191 transitions. [2022-11-26 00:54:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:54:10,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:10,944 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] [2022-11-26 00:54:10,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:54:10,944 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)] === [2022-11-26 00:54:10,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:10,945 INFO L85 PathProgramCache]: Analyzing trace with hash -719576917, now seen corresponding path program 1 times [2022-11-26 00:54:10,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:10,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159883785] [2022-11-26 00:54:10,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:10,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:54:11,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:11,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159883785] [2022-11-26 00:54:11,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159883785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:11,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:11,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:54:11,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499190875] [2022-11-26 00:54:11,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:11,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:54:11,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:11,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:54:11,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:54:11,517 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) [2022-11-26 00:54:14,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:16,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:18,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:20,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:22,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:25,476 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 [] [2022-11-26 00:54:28,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:28,050 INFO L93 Difference]: Finished difference Result 3757 states and 5215 transitions. [2022-11-26 00:54:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:54:28,050 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 [2022-11-26 00:54:28,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:28,070 INFO L225 Difference]: With dead ends: 3757 [2022-11-26 00:54:28,070 INFO L226 Difference]: Without dead ends: 3755 [2022-11-26 00:54:28,074 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 [2022-11-26 00:54:28,075 INFO L413 NwaCegarLoop]: 3414 mSDtfsCounter, 1685 mSDsluCounter, 9491 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 12905 SdHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:28,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 12905 Invalid, 2151 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2146 Invalid, 5 Unknown, 0 Unchecked, 16.1s Time] [2022-11-26 00:54:28,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2022-11-26 00:54:28,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3742. [2022-11-26 00:54:28,349 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) [2022-11-26 00:54:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 5200 transitions. [2022-11-26 00:54:28,368 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 5200 transitions. Word has length 67 [2022-11-26 00:54:28,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:28,369 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 5200 transitions. [2022-11-26 00:54:28,369 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) [2022-11-26 00:54:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 5200 transitions. [2022-11-26 00:54:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:54:28,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:28,372 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] [2022-11-26 00:54:28,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:54:28,372 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)] === [2022-11-26 00:54:28,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:28,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1340753020, now seen corresponding path program 1 times [2022-11-26 00:54:28,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:28,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690054073] [2022-11-26 00:54:28,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:28,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:54:28,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:28,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690054073] [2022-11-26 00:54:28,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690054073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:28,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:28,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:28,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112395368] [2022-11-26 00:54:28,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:28,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:28,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:28,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:28,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:54:28,759 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) [2022-11-26 00:54:31,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:33,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:36,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:37,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:37,305 INFO L93 Difference]: Finished difference Result 3748 states and 5204 transitions. [2022-11-26 00:54:37,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:54:37,306 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 [2022-11-26 00:54:37,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:37,320 INFO L225 Difference]: With dead ends: 3748 [2022-11-26 00:54:37,320 INFO L226 Difference]: Without dead ends: 3746 [2022-11-26 00:54:37,322 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 [2022-11-26 00:54:37,323 INFO L413 NwaCegarLoop]: 2815 mSDtfsCounter, 3111 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3122 SdHoareTripleChecker+Valid, 6009 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:37,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3122 Valid, 6009 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-11-26 00:54:37,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2022-11-26 00:54:37,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3740. [2022-11-26 00:54:37,558 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) [2022-11-26 00:54:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5198 transitions. [2022-11-26 00:54:37,576 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5198 transitions. Word has length 67 [2022-11-26 00:54:37,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:37,577 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5198 transitions. [2022-11-26 00:54:37,577 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) [2022-11-26 00:54:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5198 transitions. [2022-11-26 00:54:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-26 00:54:37,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:37,579 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] [2022-11-26 00:54:37,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:54:37,579 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)] === [2022-11-26 00:54:37,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:37,580 INFO L85 PathProgramCache]: Analyzing trace with hash 590348186, now seen corresponding path program 1 times [2022-11-26 00:54:37,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:37,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081241499] [2022-11-26 00:54:37,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:37,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:54:37,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:37,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081241499] [2022-11-26 00:54:37,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081241499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:37,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:37,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:37,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554555349] [2022-11-26 00:54:37,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:37,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:37,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:37,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:37,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:54:37,947 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) [2022-11-26 00:54:40,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:42,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:45,141 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 [] [2022-11-26 00:54:46,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:46,339 INFO L93 Difference]: Finished difference Result 3746 states and 5202 transitions. [2022-11-26 00:54:46,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:54:46,340 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 [2022-11-26 00:54:46,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:46,358 INFO L225 Difference]: With dead ends: 3746 [2022-11-26 00:54:46,359 INFO L226 Difference]: Without dead ends: 3744 [2022-11-26 00:54:46,361 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 [2022-11-26 00:54:46,362 INFO L413 NwaCegarLoop]: 2813 mSDtfsCounter, 3108 mSDsluCounter, 3192 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3119 SdHoareTripleChecker+Valid, 6005 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:46,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3119 Valid, 6005 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2022-11-26 00:54:46,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-11-26 00:54:46,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3738. [2022-11-26 00:54:46,567 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) [2022-11-26 00:54:46,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 5196 transitions. [2022-11-26 00:54:46,586 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 5196 transitions. Word has length 72 [2022-11-26 00:54:46,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:46,586 INFO L495 AbstractCegarLoop]: Abstraction has 3738 states and 5196 transitions. [2022-11-26 00:54:46,586 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) [2022-11-26 00:54:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 5196 transitions. [2022-11-26 00:54:46,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-26 00:54:46,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:46,589 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] [2022-11-26 00:54:46,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:54:46,589 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)] === [2022-11-26 00:54:46,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:46,590 INFO L85 PathProgramCache]: Analyzing trace with hash 396092437, now seen corresponding path program 1 times [2022-11-26 00:54:46,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:46,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801205641] [2022-11-26 00:54:46,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:46,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-26 00:54:47,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:47,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801205641] [2022-11-26 00:54:47,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801205641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:47,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:47,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:47,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408962243] [2022-11-26 00:54:47,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:47,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:47,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:47,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:47,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:54:47,159 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) [2022-11-26 00:54:48,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:50,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:52,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:55,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:57,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:54:59,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:59,400 INFO L93 Difference]: Finished difference Result 7464 states and 10386 transitions. [2022-11-26 00:54:59,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:54:59,401 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 [2022-11-26 00:54:59,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:59,422 INFO L225 Difference]: With dead ends: 7464 [2022-11-26 00:54:59,422 INFO L226 Difference]: Without dead ends: 3742 [2022-11-26 00:54:59,440 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 [2022-11-26 00:54:59,441 INFO L413 NwaCegarLoop]: 2727 mSDtfsCounter, 5 mSDsluCounter, 5451 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8178 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:59,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8178 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1428 Invalid, 4 Unknown, 0 Unchecked, 11.9s Time] [2022-11-26 00:54:59,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-11-26 00:54:59,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3740. [2022-11-26 00:54:59,706 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) [2022-11-26 00:54:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5198 transitions. [2022-11-26 00:54:59,724 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5198 transitions. Word has length 86 [2022-11-26 00:54:59,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:59,724 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5198 transitions. [2022-11-26 00:54:59,724 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) [2022-11-26 00:54:59,725 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5198 transitions. [2022-11-26 00:54:59,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-26 00:54:59,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:59,727 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] [2022-11-26 00:54:59,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:54:59,728 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)] === [2022-11-26 00:54:59,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:59,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1867319838, now seen corresponding path program 1 times [2022-11-26 00:54:59,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:59,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391446580] [2022-11-26 00:54:59,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:59,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:55:00,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:00,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391446580] [2022-11-26 00:55:00,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391446580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:00,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:00,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:00,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496237426] [2022-11-26 00:55:00,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:00,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:00,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:00,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:00,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:00,133 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) [2022-11-26 00:55:03,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:55:05,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:08,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:55:09,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:09,326 INFO L93 Difference]: Finished difference Result 3740 states and 5198 transitions. [2022-11-26 00:55:09,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:09,326 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 [2022-11-26 00:55:09,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:09,341 INFO L225 Difference]: With dead ends: 3740 [2022-11-26 00:55:09,341 INFO L226 Difference]: Without dead ends: 3738 [2022-11-26 00:55:09,343 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 [2022-11-26 00:55:09,344 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 3172 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3178 SdHoareTripleChecker+Valid, 5448 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:09,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3178 Valid, 5448 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 952 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2022-11-26 00:55:09,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2022-11-26 00:55:09,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3738. [2022-11-26 00:55:09,654 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) [2022-11-26 00:55:09,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 5196 transitions. [2022-11-26 00:55:09,672 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 5196 transitions. Word has length 77 [2022-11-26 00:55:09,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:09,672 INFO L495 AbstractCegarLoop]: Abstraction has 3738 states and 5196 transitions. [2022-11-26 00:55:09,673 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) [2022-11-26 00:55:09,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 5196 transitions. [2022-11-26 00:55:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-26 00:55:09,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:09,674 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] [2022-11-26 00:55:09,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:55:09,675 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)] === [2022-11-26 00:55:09,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:09,675 INFO L85 PathProgramCache]: Analyzing trace with hash 286379959, now seen corresponding path program 1 times [2022-11-26 00:55:09,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:09,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201835194] [2022-11-26 00:55:09,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:09,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-26 00:55:10,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:10,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201835194] [2022-11-26 00:55:10,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201835194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:10,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:10,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:10,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072315800] [2022-11-26 00:55:10,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:10,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:10,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:10,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:10,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:10,323 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) [2022-11-26 00:55:13,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:55:15,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:17,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:55:19,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:19,426 INFO L93 Difference]: Finished difference Result 7466 states and 10388 transitions. [2022-11-26 00:55:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:19,426 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 [2022-11-26 00:55:19,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:19,440 INFO L225 Difference]: With dead ends: 7466 [2022-11-26 00:55:19,440 INFO L226 Difference]: Without dead ends: 3744 [2022-11-26 00:55:19,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:55:19,454 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 10 mSDsluCounter, 5441 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 8165 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:19,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 8165 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1431 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2022-11-26 00:55:19,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-11-26 00:55:19,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3740. [2022-11-26 00:55:19,736 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) [2022-11-26 00:55:19,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5198 transitions. [2022-11-26 00:55:19,753 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5198 transitions. Word has length 90 [2022-11-26 00:55:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:19,754 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5198 transitions. [2022-11-26 00:55:19,754 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) [2022-11-26 00:55:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5198 transitions. [2022-11-26 00:55:19,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-26 00:55:19,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:19,756 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] [2022-11-26 00:55:19,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:55:19,756 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)] === [2022-11-26 00:55:19,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:19,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1594831262, now seen corresponding path program 1 times [2022-11-26 00:55:19,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:19,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760208559] [2022-11-26 00:55:19,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:19,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:20,105 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:55:20,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:20,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760208559] [2022-11-26 00:55:20,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760208559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:20,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:20,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:20,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741172449] [2022-11-26 00:55:20,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:20,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:20,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:20,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:20,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:20,108 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) [2022-11-26 00:55:22,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:55:24,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:26,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:27,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:30,059 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 [] [2022-11-26 00:55:31,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:31,212 INFO L93 Difference]: Finished difference Result 3747 states and 5202 transitions. [2022-11-26 00:55:31,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:31,213 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 [2022-11-26 00:55:31,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:31,226 INFO L225 Difference]: With dead ends: 3747 [2022-11-26 00:55:31,226 INFO L226 Difference]: Without dead ends: 3745 [2022-11-26 00:55:31,229 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 [2022-11-26 00:55:31,230 INFO L413 NwaCegarLoop]: 2809 mSDtfsCounter, 3111 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3118 SdHoareTripleChecker+Valid, 5993 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:31,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3118 Valid, 5993 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1025 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2022-11-26 00:55:31,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2022-11-26 00:55:31,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3741. [2022-11-26 00:55:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3741 states, 2318 states have (on average 1.2993960310612598) internal successors, (3012), 2382 states have internal predecessors, (3012), 1089 states have call successors, (1089), 322 states have call predecessors, (1089), 317 states have return successors, (1097), 1068 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-11-26 00:55:31,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3741 states and 5198 transitions. [2022-11-26 00:55:31,619 INFO L78 Accepts]: Start accepts. Automaton has 3741 states and 5198 transitions. Word has length 82 [2022-11-26 00:55:31,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:31,622 INFO L495 AbstractCegarLoop]: Abstraction has 3741 states and 5198 transitions. [2022-11-26 00:55:31,622 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) [2022-11-26 00:55:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 3741 states and 5198 transitions. [2022-11-26 00:55:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-26 00:55:31,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:31,624 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] [2022-11-26 00:55:31,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:55:31,624 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)] === [2022-11-26 00:55:31,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:31,625 INFO L85 PathProgramCache]: Analyzing trace with hash 670626949, now seen corresponding path program 1 times [2022-11-26 00:55:31,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:31,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804426870] [2022-11-26 00:55:31,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:31,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:55:31,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:31,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804426870] [2022-11-26 00:55:31,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804426870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:31,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:31,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:31,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586001169] [2022-11-26 00:55:31,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:31,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:31,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:31,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:31,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:31,967 INFO L87 Difference]: Start difference. First operand 3741 states and 5198 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) [2022-11-26 00:55:35,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:38,284 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 [] [2022-11-26 00:55:39,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:39,492 INFO L93 Difference]: Finished difference Result 3741 states and 5198 transitions. [2022-11-26 00:55:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:39,492 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 [2022-11-26 00:55:39,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:39,508 INFO L225 Difference]: With dead ends: 3741 [2022-11-26 00:55:39,508 INFO L226 Difference]: Without dead ends: 3739 [2022-11-26 00:55:39,511 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 [2022-11-26 00:55:39,512 INFO L413 NwaCegarLoop]: 2720 mSDtfsCounter, 3162 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3170 SdHoareTripleChecker+Valid, 5440 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:39,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3170 Valid, 5440 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 951 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-11-26 00:55:39,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3739 states. [2022-11-26 00:55:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3739 to 3739. [2022-11-26 00:55:39,795 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, (1097), 1068 states have call predecessors, (1097), 1087 states have call successors, (1097) [2022-11-26 00:55:39,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3739 states and 5196 transitions. [2022-11-26 00:55:39,813 INFO L78 Accepts]: Start accepts. Automaton has 3739 states and 5196 transitions. Word has length 84 [2022-11-26 00:55:39,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:39,813 INFO L495 AbstractCegarLoop]: Abstraction has 3739 states and 5196 transitions. [2022-11-26 00:55:39,814 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) [2022-11-26 00:55:39,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3739 states and 5196 transitions. [2022-11-26 00:55:39,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-26 00:55:39,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:39,816 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] [2022-11-26 00:55:39,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:55:39,816 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)] === [2022-11-26 00:55:39,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:39,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1760866102, now seen corresponding path program 1 times [2022-11-26 00:55:39,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:39,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653729637] [2022-11-26 00:55:39,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:39,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:55:40,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:40,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653729637] [2022-11-26 00:55:40,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653729637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:40,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:40,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:55:40,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977627125] [2022-11-26 00:55:40,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:40,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:55:40,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:40,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:55:40,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:55:40,705 INFO L87 Difference]: Start difference. First operand 3739 states and 5196 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) [2022-11-26 00:55:44,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:55:46,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:55:49,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:55:51,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:54,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:55:56,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:56,934 INFO L93 Difference]: Finished difference Result 7475 states and 10403 transitions. [2022-11-26 00:55:56,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:55:56,934 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 [2022-11-26 00:55:56,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:56,951 INFO L225 Difference]: With dead ends: 7475 [2022-11-26 00:55:56,951 INFO L226 Difference]: Without dead ends: 3752 [2022-11-26 00:55:56,966 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 [2022-11-26 00:55:56,966 INFO L413 NwaCegarLoop]: 2721 mSDtfsCounter, 11 mSDsluCounter, 10869 mSDsCounter, 0 mSdLazyCounter, 2392 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 13590 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2392 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:56,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 13590 Invalid, 2398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2392 Invalid, 5 Unknown, 0 Unchecked, 15.8s Time] [2022-11-26 00:55:56,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3752 states. [2022-11-26 00:55:57,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3752 to 3742. [2022-11-26 00:55:57,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 2319 states have (on average 1.2988357050452781) internal successors, (3012), 2382 states have internal predecessors, (3012), 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) [2022-11-26 00:55:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 5202 transitions. [2022-11-26 00:55:57,346 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 5202 transitions. Word has length 100 [2022-11-26 00:55:57,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:57,346 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 5202 transitions. [2022-11-26 00:55:57,346 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) [2022-11-26 00:55:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 5202 transitions. [2022-11-26 00:55:57,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-26 00:55:57,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:57,349 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] [2022-11-26 00:55:57,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:55:57,349 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)] === [2022-11-26 00:55:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:57,350 INFO L85 PathProgramCache]: Analyzing trace with hash -269912227, now seen corresponding path program 1 times [2022-11-26 00:55:57,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:57,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213450515] [2022-11-26 00:55:57,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:57,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:55:57,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:57,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213450515] [2022-11-26 00:55:57,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213450515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:57,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:57,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:57,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819247676] [2022-11-26 00:55:57,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:57,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:57,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:57,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:57,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:57,680 INFO L87 Difference]: Start difference. First operand 3742 states and 5202 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) [2022-11-26 00:56:00,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:02,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:04,971 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 [] [2022-11-26 00:56:06,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:06,250 INFO L93 Difference]: Finished difference Result 3746 states and 5204 transitions. [2022-11-26 00:56:06,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:56:06,251 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 [2022-11-26 00:56:06,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:06,267 INFO L225 Difference]: With dead ends: 3746 [2022-11-26 00:56:06,267 INFO L226 Difference]: Without dead ends: 3744 [2022-11-26 00:56:06,269 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 [2022-11-26 00:56:06,270 INFO L413 NwaCegarLoop]: 2795 mSDtfsCounter, 3097 mSDsluCounter, 3174 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3108 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:06,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3108 Valid, 5969 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2022-11-26 00:56:06,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-11-26 00:56:06,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3740. [2022-11-26 00:56:06,609 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) [2022-11-26 00:56:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5200 transitions. [2022-11-26 00:56:06,627 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5200 transitions. Word has length 89 [2022-11-26 00:56:06,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:06,628 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5200 transitions. [2022-11-26 00:56:06,628 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) [2022-11-26 00:56:06,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5200 transitions. [2022-11-26 00:56:06,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-26 00:56:06,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:06,630 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] [2022-11-26 00:56:06,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:56:06,631 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)] === [2022-11-26 00:56:06,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:06,631 INFO L85 PathProgramCache]: Analyzing trace with hash 29701482, now seen corresponding path program 1 times [2022-11-26 00:56:06,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:06,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072482836] [2022-11-26 00:56:06,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:06,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:06,991 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:56:06,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:06,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072482836] [2022-11-26 00:56:06,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072482836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:06,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:06,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:56:06,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106259529] [2022-11-26 00:56:06,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:06,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:56:06,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:06,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:56:06,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:56:06,994 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) [2022-11-26 00:56:09,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:11,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:14,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:15,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:15,545 INFO L93 Difference]: Finished difference Result 3744 states and 5202 transitions. [2022-11-26 00:56:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:56:15,545 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 [2022-11-26 00:56:15,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:15,558 INFO L225 Difference]: With dead ends: 3744 [2022-11-26 00:56:15,559 INFO L226 Difference]: Without dead ends: 3742 [2022-11-26 00:56:15,561 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 [2022-11-26 00:56:15,562 INFO L413 NwaCegarLoop]: 2793 mSDtfsCounter, 3094 mSDsluCounter, 3172 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3105 SdHoareTripleChecker+Valid, 5965 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 [2022-11-26 00:56:15,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3105 Valid, 5965 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2022-11-26 00:56:15,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-11-26 00:56:15,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3738. [2022-11-26 00:56:15,870 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) [2022-11-26 00:56:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 5198 transitions. [2022-11-26 00:56:15,884 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 5198 transitions. Word has length 94 [2022-11-26 00:56:15,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:15,884 INFO L495 AbstractCegarLoop]: Abstraction has 3738 states and 5198 transitions. [2022-11-26 00:56:15,885 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) [2022-11-26 00:56:15,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 5198 transitions. [2022-11-26 00:56:15,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-26 00:56:15,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:15,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:56:15,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:56:15,887 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)] === [2022-11-26 00:56:15,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:15,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1659863133, now seen corresponding path program 1 times [2022-11-26 00:56:15,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:15,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472294077] [2022-11-26 00:56:15,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:15,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:16,289 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:56:16,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:16,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472294077] [2022-11-26 00:56:16,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472294077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:16,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:16,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:56:16,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143322000] [2022-11-26 00:56:16,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:16,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:56:16,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:16,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:56:16,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:56:16,292 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) [2022-11-26 00:56:18,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:21,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:23,669 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 [] [2022-11-26 00:56:24,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:24,967 INFO L93 Difference]: Finished difference Result 3742 states and 5200 transitions. [2022-11-26 00:56:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:56:24,968 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 [2022-11-26 00:56:24,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:24,978 INFO L225 Difference]: With dead ends: 3742 [2022-11-26 00:56:24,978 INFO L226 Difference]: Without dead ends: 3740 [2022-11-26 00:56:24,980 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 [2022-11-26 00:56:24,980 INFO L413 NwaCegarLoop]: 2801 mSDtfsCounter, 3091 mSDsluCounter, 3180 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 5981 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 [2022-11-26 00:56:24,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 5981 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2022-11-26 00:56:24,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2022-11-26 00:56:25,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3736. [2022-11-26 00:56:25,374 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) [2022-11-26 00:56:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 5196 transitions. [2022-11-26 00:56:25,384 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 5196 transitions. Word has length 99 [2022-11-26 00:56:25,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:25,384 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 5196 transitions. [2022-11-26 00:56:25,385 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) [2022-11-26 00:56:25,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 5196 transitions. [2022-11-26 00:56:25,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-26 00:56:25,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:25,387 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] [2022-11-26 00:56:25,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:56:25,388 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)] === [2022-11-26 00:56:25,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:25,388 INFO L85 PathProgramCache]: Analyzing trace with hash 991095774, now seen corresponding path program 1 times [2022-11-26 00:56:25,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:25,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949072210] [2022-11-26 00:56:25,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:25,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-26 00:56:25,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:25,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949072210] [2022-11-26 00:56:25,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949072210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:25,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:25,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:56:25,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905335293] [2022-11-26 00:56:25,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:25,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:56:25,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:25,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:56:25,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:56:25,735 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) [2022-11-26 00:56:28,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:30,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:33,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:35,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:35,680 INFO L93 Difference]: Finished difference Result 7465 states and 10392 transitions. [2022-11-26 00:56:35,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:56:35,681 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 [2022-11-26 00:56:35,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:35,691 INFO L225 Difference]: With dead ends: 7465 [2022-11-26 00:56:35,691 INFO L226 Difference]: Without dead ends: 3745 [2022-11-26 00:56:35,700 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 [2022-11-26 00:56:35,701 INFO L413 NwaCegarLoop]: 2718 mSDtfsCounter, 4 mSDsluCounter, 8145 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10863 SdHoareTripleChecker+Invalid, 1913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:35,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 10863 Invalid, 1913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1910 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2022-11-26 00:56:35,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2022-11-26 00:56:36,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3740. [2022-11-26 00:56:36,119 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) [2022-11-26 00:56:36,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5201 transitions. [2022-11-26 00:56:36,130 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5201 transitions. Word has length 124 [2022-11-26 00:56:36,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:36,130 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5201 transitions. [2022-11-26 00:56:36,130 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) [2022-11-26 00:56:36,131 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5201 transitions. [2022-11-26 00:56:36,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-26 00:56:36,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:36,132 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] [2022-11-26 00:56:36,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:56:36,132 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)] === [2022-11-26 00:56:36,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:36,133 INFO L85 PathProgramCache]: Analyzing trace with hash 167404546, now seen corresponding path program 1 times [2022-11-26 00:56:36,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:36,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418828445] [2022-11-26 00:56:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:36,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-26 00:56:37,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:37,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418828445] [2022-11-26 00:56:37,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418828445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:37,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:37,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:56:37,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291094476] [2022-11-26 00:56:37,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:37,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:56:37,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:37,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:56:37,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:56:37,051 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) [2022-11-26 00:56:40,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:43,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:47,341 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 [] [2022-11-26 00:56:50,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:50,868 INFO L93 Difference]: Finished difference Result 3744 states and 5203 transitions. [2022-11-26 00:56:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:56:50,868 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 [2022-11-26 00:56:50,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:50,877 INFO L225 Difference]: With dead ends: 3744 [2022-11-26 00:56:50,877 INFO L226 Difference]: Without dead ends: 3742 [2022-11-26 00:56:50,879 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 [2022-11-26 00:56:50,880 INFO L413 NwaCegarLoop]: 2802 mSDtfsCounter, 3097 mSDsluCounter, 7415 mSDsCounter, 0 mSdLazyCounter, 3340 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 10217 SdHoareTripleChecker+Invalid, 3344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3340 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:50,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 10217 Invalid, 3344 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3340 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2022-11-26 00:56:50,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-11-26 00:56:51,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3740. [2022-11-26 00:56:51,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 2319 states have (on average 1.2966796032772747) internal successors, (3007), 2379 states have internal predecessors, (3007), 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) [2022-11-26 00:56:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5199 transitions. [2022-11-26 00:56:51,269 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5199 transitions. Word has length 113 [2022-11-26 00:56:51,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:51,269 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5199 transitions. [2022-11-26 00:56:51,269 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) [2022-11-26 00:56:51,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5199 transitions. [2022-11-26 00:56:51,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-26 00:56:51,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:51,271 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] [2022-11-26 00:56:51,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 00:56:51,272 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)] === [2022-11-26 00:56:51,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:51,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1560361606, now seen corresponding path program 1 times [2022-11-26 00:56:51,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:56:51,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478220856] [2022-11-26 00:56:51,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:51,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:56:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:56:51,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:56:51,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478220856] [2022-11-26 00:56:51,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478220856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:51,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:51,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:56:51,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999020586] [2022-11-26 00:56:51,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:51,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:56:51,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:56:51,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:56:51,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:56:51,598 INFO L87 Difference]: Start difference. First operand 3740 states and 5199 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) [2022-11-26 00:56:54,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:56:56,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:59,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:00,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:00,415 INFO L93 Difference]: Finished difference Result 3742 states and 5200 transitions. [2022-11-26 00:57:00,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:57:00,415 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 [2022-11-26 00:57:00,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:00,428 INFO L225 Difference]: With dead ends: 3742 [2022-11-26 00:57:00,428 INFO L226 Difference]: Without dead ends: 3740 [2022-11-26 00:57:00,431 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 [2022-11-26 00:57:00,432 INFO L413 NwaCegarLoop]: 2799 mSDtfsCounter, 3086 mSDsluCounter, 3178 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3097 SdHoareTripleChecker+Valid, 5977 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:00,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3097 Valid, 5977 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-11-26 00:57:00,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2022-11-26 00:57:00,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3738. [2022-11-26 00:57:00,755 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) [2022-11-26 00:57:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 5197 transitions. [2022-11-26 00:57:00,768 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 5197 transitions. Word has length 104 [2022-11-26 00:57:00,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:00,768 INFO L495 AbstractCegarLoop]: Abstraction has 3738 states and 5197 transitions. [2022-11-26 00:57:00,769 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) [2022-11-26 00:57:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 5197 transitions. [2022-11-26 00:57:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-26 00:57:00,776 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:00,776 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] [2022-11-26 00:57:00,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 00:57:00,776 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)] === [2022-11-26 00:57:00,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:00,778 INFO L85 PathProgramCache]: Analyzing trace with hash 901884446, now seen corresponding path program 1 times [2022-11-26 00:57:00,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:00,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984330445] [2022-11-26 00:57:00,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:00,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:01,021 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-26 00:57:01,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:01,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984330445] [2022-11-26 00:57:01,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984330445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:01,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:01,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:57:01,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927862984] [2022-11-26 00:57:01,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:01,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:57:01,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:01,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:57:01,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:57:01,025 INFO L87 Difference]: Start difference. First operand 3738 states and 5197 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) [2022-11-26 00:57:03,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:05,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:07,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:08,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:08,530 INFO L93 Difference]: Finished difference Result 7456 states and 10560 transitions. [2022-11-26 00:57:08,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:08,530 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 [2022-11-26 00:57:08,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:08,540 INFO L225 Difference]: With dead ends: 7456 [2022-11-26 00:57:08,540 INFO L226 Difference]: Without dead ends: 3734 [2022-11-26 00:57:08,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:57:08,551 INFO L413 NwaCegarLoop]: 2800 mSDtfsCounter, 3075 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3082 SdHoareTripleChecker+Valid, 3177 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:08,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3082 Valid, 3177 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 547 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-26 00:57:08,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3734 states. [2022-11-26 00:57:08,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3734 to 3734. [2022-11-26 00:57:08,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3734 states, 2314 states have (on average 1.2951598962834918) internal successors, (2997), 2373 states have internal predecessors, (2997), 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) [2022-11-26 00:57:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3734 states and 5189 transitions. [2022-11-26 00:57:08,852 INFO L78 Accepts]: Start accepts. Automaton has 3734 states and 5189 transitions. Word has length 116 [2022-11-26 00:57:08,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:08,853 INFO L495 AbstractCegarLoop]: Abstraction has 3734 states and 5189 transitions. [2022-11-26 00:57:08,853 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) [2022-11-26 00:57:08,853 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 5189 transitions. [2022-11-26 00:57:08,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-26 00:57:08,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:08,854 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] [2022-11-26 00:57:08,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 00:57:08,855 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)] === [2022-11-26 00:57:08,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:08,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1069494367, now seen corresponding path program 1 times [2022-11-26 00:57:08,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:08,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966996777] [2022-11-26 00:57:08,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:08,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:57:09,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:09,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966996777] [2022-11-26 00:57:09,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966996777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:09,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:09,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:57:09,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345366490] [2022-11-26 00:57:09,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:09,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:57:09,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:09,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:57:09,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:09,175 INFO L87 Difference]: Start difference. First operand 3734 states and 5189 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) [2022-11-26 00:57:11,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:13,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:15,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:17,931 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 [] [2022-11-26 00:57:19,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:19,279 INFO L93 Difference]: Finished difference Result 3734 states and 5189 transitions. [2022-11-26 00:57:19,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:57:19,279 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 [2022-11-26 00:57:19,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:19,293 INFO L225 Difference]: With dead ends: 3734 [2022-11-26 00:57:19,293 INFO L226 Difference]: Without dead ends: 3732 [2022-11-26 00:57:19,296 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 [2022-11-26 00:57:19,296 INFO L413 NwaCegarLoop]: 2710 mSDtfsCounter, 3149 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3157 SdHoareTripleChecker+Valid, 5420 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:19,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3157 Valid, 5420 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 950 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2022-11-26 00:57:19,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3732 states. [2022-11-26 00:57:19,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3732 to 3732. [2022-11-26 00:57:19,665 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) [2022-11-26 00:57:19,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 5187 transitions. [2022-11-26 00:57:19,675 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 5187 transitions. Word has length 109 [2022-11-26 00:57:19,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:19,676 INFO L495 AbstractCegarLoop]: Abstraction has 3732 states and 5187 transitions. [2022-11-26 00:57:19,676 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) [2022-11-26 00:57:19,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 5187 transitions. [2022-11-26 00:57:19,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-26 00:57:19,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:19,677 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] [2022-11-26 00:57:19,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 00:57:19,677 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)] === [2022-11-26 00:57:19,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:19,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1316996283, now seen corresponding path program 1 times [2022-11-26 00:57:19,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:19,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411349001] [2022-11-26 00:57:19,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:19,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:57:20,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:20,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411349001] [2022-11-26 00:57:20,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411349001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:20,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:20,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:57:20,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390693742] [2022-11-26 00:57:20,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:20,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:57:20,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:20,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:57:20,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:20,019 INFO L87 Difference]: Start difference. First operand 3732 states and 5187 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) [2022-11-26 00:57:22,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:24,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:27,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:28,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:28,974 INFO L93 Difference]: Finished difference Result 3732 states and 5187 transitions. [2022-11-26 00:57:28,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:57:28,975 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 [2022-11-26 00:57:28,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:28,985 INFO L225 Difference]: With dead ends: 3732 [2022-11-26 00:57:28,985 INFO L226 Difference]: Without dead ends: 3730 [2022-11-26 00:57:28,987 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 [2022-11-26 00:57:28,987 INFO L413 NwaCegarLoop]: 2795 mSDtfsCounter, 3075 mSDsluCounter, 3174 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:28,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 5969 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-11-26 00:57:28,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3730 states. [2022-11-26 00:57:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3730 to 3730. [2022-11-26 00:57:29,405 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) [2022-11-26 00:57:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3730 states and 5185 transitions. [2022-11-26 00:57:29,416 INFO L78 Accepts]: Start accepts. Automaton has 3730 states and 5185 transitions. Word has length 114 [2022-11-26 00:57:29,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:29,417 INFO L495 AbstractCegarLoop]: Abstraction has 3730 states and 5185 transitions. [2022-11-26 00:57:29,417 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) [2022-11-26 00:57:29,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 5185 transitions. [2022-11-26 00:57:29,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-26 00:57:29,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:29,419 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] [2022-11-26 00:57:29,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-26 00:57:29,420 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)] === [2022-11-26 00:57:29,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:29,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2089598956, now seen corresponding path program 1 times [2022-11-26 00:57:29,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:29,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034985192] [2022-11-26 00:57:29,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:29,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:30,039 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:57:30,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:30,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034985192] [2022-11-26 00:57:30,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034985192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:30,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:30,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:57:30,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606908218] [2022-11-26 00:57:30,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:30,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:57:30,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:30,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:57:30,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:30,042 INFO L87 Difference]: Start difference. First operand 3730 states and 5185 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) [2022-11-26 00:57:31,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:34,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:37,337 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 [] [2022-11-26 00:57:38,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:38,769 INFO L93 Difference]: Finished difference Result 3730 states and 5185 transitions. [2022-11-26 00:57:38,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:57:38,769 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 [2022-11-26 00:57:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:38,777 INFO L225 Difference]: With dead ends: 3730 [2022-11-26 00:57:38,777 INFO L226 Difference]: Without dead ends: 3728 [2022-11-26 00:57:38,778 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 [2022-11-26 00:57:38,779 INFO L413 NwaCegarLoop]: 2706 mSDtfsCounter, 3143 mSDsluCounter, 2706 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 5412 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:38,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 5412 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 951 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-11-26 00:57:38,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2022-11-26 00:57:39,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3728. [2022-11-26 00:57:39,127 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) [2022-11-26 00:57:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 3728 states and 5183 transitions. [2022-11-26 00:57:39,137 INFO L78 Accepts]: Start accepts. Automaton has 3728 states and 5183 transitions. Word has length 119 [2022-11-26 00:57:39,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:39,138 INFO L495 AbstractCegarLoop]: Abstraction has 3728 states and 5183 transitions. [2022-11-26 00:57:39,138 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) [2022-11-26 00:57:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3728 states and 5183 transitions. [2022-11-26 00:57:39,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-26 00:57:39,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:39,139 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] [2022-11-26 00:57:39,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-26 00:57:39,139 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)] === [2022-11-26 00:57:39,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:39,140 INFO L85 PathProgramCache]: Analyzing trace with hash 267847181, now seen corresponding path program 1 times [2022-11-26 00:57:39,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:39,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350025476] [2022-11-26 00:57:39,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:39,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:57:39,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:39,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350025476] [2022-11-26 00:57:39,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350025476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:39,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:39,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:57:39,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467754289] [2022-11-26 00:57:39,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:39,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:57:39,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:39,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:57:39,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:39,447 INFO L87 Difference]: Start difference. First operand 3728 states and 5183 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) [2022-11-26 00:57:41,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:44,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:46,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:48,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:48,355 INFO L93 Difference]: Finished difference Result 3728 states and 5183 transitions. [2022-11-26 00:57:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:57:48,355 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 [2022-11-26 00:57:48,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:48,365 INFO L225 Difference]: With dead ends: 3728 [2022-11-26 00:57:48,365 INFO L226 Difference]: Without dead ends: 3726 [2022-11-26 00:57:48,367 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 [2022-11-26 00:57:48,367 INFO L413 NwaCegarLoop]: 2791 mSDtfsCounter, 3069 mSDsluCounter, 3170 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3080 SdHoareTripleChecker+Valid, 5961 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:48,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3080 Valid, 5961 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-11-26 00:57:48,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2022-11-26 00:57:48,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 3726. [2022-11-26 00:57:48,752 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) [2022-11-26 00:57:48,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3726 states and 5181 transitions. [2022-11-26 00:57:48,762 INFO L78 Accepts]: Start accepts. Automaton has 3726 states and 5181 transitions. Word has length 124 [2022-11-26 00:57:48,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:48,763 INFO L495 AbstractCegarLoop]: Abstraction has 3726 states and 5181 transitions. [2022-11-26 00:57:48,763 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) [2022-11-26 00:57:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3726 states and 5181 transitions. [2022-11-26 00:57:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-26 00:57:48,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:48,765 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] [2022-11-26 00:57:48,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-26 00:57:48,765 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)] === [2022-11-26 00:57:48,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:48,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1346632125, now seen corresponding path program 1 times [2022-11-26 00:57:48,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:48,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637605879] [2022-11-26 00:57:48,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:48,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:49,098 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:57:49,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:49,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637605879] [2022-11-26 00:57:49,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637605879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:49,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:49,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:57:49,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626264337] [2022-11-26 00:57:49,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:49,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:57:49,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:49,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:57:49,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:49,101 INFO L87 Difference]: Start difference. First operand 3726 states and 5181 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) [2022-11-26 00:57:51,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:57:53,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:56,641 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 [] [2022-11-26 00:57:58,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:58,141 INFO L93 Difference]: Finished difference Result 3726 states and 5181 transitions. [2022-11-26 00:57:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:57:58,141 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 [2022-11-26 00:57:58,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:58,149 INFO L225 Difference]: With dead ends: 3726 [2022-11-26 00:57:58,149 INFO L226 Difference]: Without dead ends: 3724 [2022-11-26 00:57:58,150 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 [2022-11-26 00:57:58,150 INFO L413 NwaCegarLoop]: 2779 mSDtfsCounter, 3066 mSDsluCounter, 3158 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3077 SdHoareTripleChecker+Valid, 5937 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:58,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3077 Valid, 5937 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1016 Invalid, 3 Unknown, 0 Unchecked, 8.4s Time] [2022-11-26 00:57:58,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2022-11-26 00:57:58,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3724. [2022-11-26 00:57:58,511 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) [2022-11-26 00:57:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3724 states to 3724 states and 5179 transitions. [2022-11-26 00:57:58,521 INFO L78 Accepts]: Start accepts. Automaton has 3724 states and 5179 transitions. Word has length 129 [2022-11-26 00:57:58,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:58,521 INFO L495 AbstractCegarLoop]: Abstraction has 3724 states and 5179 transitions. [2022-11-26 00:57:58,521 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) [2022-11-26 00:57:58,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3724 states and 5179 transitions. [2022-11-26 00:57:58,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-26 00:57:58,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:58,524 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] [2022-11-26 00:57:58,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-26 00:57:58,524 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)] === [2022-11-26 00:57:58,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:58,525 INFO L85 PathProgramCache]: Analyzing trace with hash -342401449, now seen corresponding path program 1 times [2022-11-26 00:57:58,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:58,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194320114] [2022-11-26 00:57:58,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:58,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:58,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:57:58,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:58,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194320114] [2022-11-26 00:57:58,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194320114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:58,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:58,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:57:58,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708493435] [2022-11-26 00:57:58,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:58,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:57:58,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:58,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:57:58,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:58,844 INFO L87 Difference]: Start difference. First operand 3724 states and 5179 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) [2022-11-26 00:58:01,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:58:03,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:06,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:58:07,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:07,485 INFO L93 Difference]: Finished difference Result 3724 states and 5179 transitions. [2022-11-26 00:58:07,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:58:07,485 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 [2022-11-26 00:58:07,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:07,494 INFO L225 Difference]: With dead ends: 3724 [2022-11-26 00:58:07,494 INFO L226 Difference]: Without dead ends: 3722 [2022-11-26 00:58:07,496 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 [2022-11-26 00:58:07,496 INFO L413 NwaCegarLoop]: 2777 mSDtfsCounter, 3066 mSDsluCounter, 3156 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3075 SdHoareTripleChecker+Valid, 5933 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:07,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3075 Valid, 5933 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1018 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-26 00:58:07,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3722 states. [2022-11-26 00:58:07,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3722 to 3722. [2022-11-26 00:58:07,881 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) [2022-11-26 00:58:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5177 transitions. [2022-11-26 00:58:07,892 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5177 transitions. Word has length 134 [2022-11-26 00:58:07,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:07,892 INFO L495 AbstractCegarLoop]: Abstraction has 3722 states and 5177 transitions. [2022-11-26 00:58:07,892 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) [2022-11-26 00:58:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5177 transitions. [2022-11-26 00:58:07,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-26 00:58:07,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:07,895 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] [2022-11-26 00:58:07,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-26 00:58:07,895 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)] === [2022-11-26 00:58:07,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:07,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1066391699, now seen corresponding path program 1 times [2022-11-26 00:58:07,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:07,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310471386] [2022-11-26 00:58:07,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:07,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:08,210 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:58:08,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:08,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310471386] [2022-11-26 00:58:08,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310471386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:08,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:08,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:58:08,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366028443] [2022-11-26 00:58:08,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:08,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:58:08,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:08,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:58:08,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:58:08,213 INFO L87 Difference]: Start difference. First operand 3722 states and 5177 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) [2022-11-26 00:58:10,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:58:13,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:15,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:58:16,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:16,530 INFO L93 Difference]: Finished difference Result 3722 states and 5177 transitions. [2022-11-26 00:58:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:58:16,531 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 [2022-11-26 00:58:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:16,542 INFO L225 Difference]: With dead ends: 3722 [2022-11-26 00:58:16,543 INFO L226 Difference]: Without dead ends: 3720 [2022-11-26 00:58:16,544 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 [2022-11-26 00:58:16,545 INFO L413 NwaCegarLoop]: 2775 mSDtfsCounter, 3063 mSDsluCounter, 3154 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 5929 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:16,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3072 Valid, 5929 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1018 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-26 00:58:16,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3720 states. [2022-11-26 00:58:16,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3720 to 3720. [2022-11-26 00:58:16,946 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) [2022-11-26 00:58:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 3720 states and 5175 transitions. [2022-11-26 00:58:16,956 INFO L78 Accepts]: Start accepts. Automaton has 3720 states and 5175 transitions. Word has length 139 [2022-11-26 00:58:16,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:16,957 INFO L495 AbstractCegarLoop]: Abstraction has 3720 states and 5175 transitions. [2022-11-26 00:58:16,957 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) [2022-11-26 00:58:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3720 states and 5175 transitions. [2022-11-26 00:58:16,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-26 00:58:16,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:16,959 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] [2022-11-26 00:58:16,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-26 00:58:16,959 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)] === [2022-11-26 00:58:16,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:16,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1639585125, now seen corresponding path program 1 times [2022-11-26 00:58:16,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:16,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891315185] [2022-11-26 00:58:16,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:16,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:58:17,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:17,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891315185] [2022-11-26 00:58:17,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891315185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:58:17,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:58:17,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:58:17,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791473602] [2022-11-26 00:58:17,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:58:17,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:58:17,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:58:17,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:58:17,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:58:17,283 INFO L87 Difference]: Start difference. First operand 3720 states and 5175 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) [2022-11-26 00:58:19,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:58:22,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:24,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-26 00:58:26,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:26,294 INFO L93 Difference]: Finished difference Result 3720 states and 5175 transitions. [2022-11-26 00:58:26,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:58:26,295 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 [2022-11-26 00:58:26,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:26,306 INFO L225 Difference]: With dead ends: 3720 [2022-11-26 00:58:26,306 INFO L226 Difference]: Without dead ends: 3590 [2022-11-26 00:58:26,311 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 [2022-11-26 00:58:26,315 INFO L413 NwaCegarLoop]: 2784 mSDtfsCounter, 3057 mSDsluCounter, 3163 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 5947 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:26,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3066 Valid, 5947 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-11-26 00:58:26,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3590 states. [2022-11-26 00:58:26,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3590 to 3590. [2022-11-26 00:58:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3590 states, 2240 states have (on average 1.3004464285714286) internal successors, (2913), 2290 states have internal predecessors, (2913), 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) [2022-11-26 00:58:26,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3590 states and 5021 transitions. [2022-11-26 00:58:26,771 INFO L78 Accepts]: Start accepts. Automaton has 3590 states and 5021 transitions. Word has length 144 [2022-11-26 00:58:26,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:58:26,771 INFO L495 AbstractCegarLoop]: Abstraction has 3590 states and 5021 transitions. [2022-11-26 00:58:26,772 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) [2022-11-26 00:58:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3590 states and 5021 transitions. [2022-11-26 00:58:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-26 00:58:26,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:58:26,774 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] [2022-11-26 00:58:26,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-26 00:58:26,775 INFO L420 AbstractCegarLoop]: === Iteration 30 === 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)] === [2022-11-26 00:58:26,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:58:26,775 INFO L85 PathProgramCache]: Analyzing trace with hash 563954849, now seen corresponding path program 1 times [2022-11-26 00:58:26,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:58:26,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817677138] [2022-11-26 00:58:26,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:26,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:58:26,879 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:58:26,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1566588425] [2022-11-26 00:58:26,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:58:26,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:58:26,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:58:26,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:58:26,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_338b66f0-d0bd-4283-a9ab-32ccd38b5121/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:58:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:58:28,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 3081 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-26 00:58:28,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:58:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2022-11-26 00:58:28,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:58:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2022-11-26 00:58:29,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:58:29,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817677138] [2022-11-26 00:58:29,327 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:58:29,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566588425] [2022-11-26 00:58:29,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566588425] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:58:29,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1706281652] [2022-11-26 00:58:29,351 INFO L159 IcfgInterpreter]: Started Sifa with 103 locations of interest [2022-11-26 00:58:29,352 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:58:29,356 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:58:29,362 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:58:29,362 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs