./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:51:55,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:51:55,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:51:55,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:51:55,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:51:55,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:51:55,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:51:55,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:51:55,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:51:55,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:51:55,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:51:55,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:51:55,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:51:55,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:51:55,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:51:55,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:51:55,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:51:55,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:51:55,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:51:55,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:51:55,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:51:55,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:51:55,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:51:55,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:51:55,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:51:55,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:51:55,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:51:55,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:51:55,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:51:55,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:51:55,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:51:55,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:51:55,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:51:55,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:51:55,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:51:55,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:51:55,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:51:55,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:51:55,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:51:55,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:51:55,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:51:55,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 09:51:55,334 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:51:55,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:51:55,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:51:55,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:51:55,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:51:55,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:51:55,335 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:51:55,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:51:55,335 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:51:55,341 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:51:55,341 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:51:55,341 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:51:55,341 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:51:55,342 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:51:55,342 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:51:55,342 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:51:55,342 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:51:55,342 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:51:55,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:51:55,343 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:51:55,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:51:55,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:51:55,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:51:55,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:51:55,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:51:55,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:51:55,344 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:51:55,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:51:55,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:51:55,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:51:55,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:51:55,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:51:55,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:51:55,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:51:55,346 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:51:55,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:51:55,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:51:55,346 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:51:55,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:51:55,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:51:55,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:51:55,347 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_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c [2022-12-14 09:51:55,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:51:55,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:51:55,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:51:55,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:51:55,534 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:51:55,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-14 09:51:58,052 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:51:58,392 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:51:58,392 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-14 09:51:58,418 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/data/5df6cec1d/f1a732d29d9643689a873aefb68b5ae6/FLAGb31464155 [2022-12-14 09:51:58,605 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/data/5df6cec1d/f1a732d29d9643689a873aefb68b5ae6 [2022-12-14 09:51:58,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:51:58,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:51:58,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:51:58,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:51:58,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:51:58,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:51:58" (1/1) ... [2022-12-14 09:51:58,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff8f783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:58, skipping insertion in model container [2022-12-14 09:51:58,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:51:58" (1/1) ... [2022-12-14 09:51:58,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:51:58,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:51:59,153 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:51:59,235 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 09:51:59,241 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:51:59,243 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 09:51:59,281 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 09:51:59,290 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-14 09:51:59,295 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-14 09:51:59,336 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 09:51:59,337 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 09:51:59,347 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:51:59,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,512 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 09:51:59,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,513 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-14 09:51:59,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,514 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:51:59,515 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-14 09:51:59,515 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-14 09:51:59,518 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:51:59,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,518 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:51:59,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,520 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 09:51:59,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,522 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 09:51:59,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,527 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:51:59,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,534 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:51:59,536 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,536 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 09:51:59,537 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-14 09:51:59,537 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:51:59,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,539 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 09:51:59,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,550 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,550 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,552 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 09:51:59,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,558 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:51:59,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,559 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:51:59,559 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:51:59,560 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:51:59,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,566 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-12-14 09:51:59,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,586 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-14 09:51:59,587 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:51:59,588 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-14 09:51:59,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,590 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 09:51:59,591 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-14 09:51:59,592 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,592 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:51:59,594 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:51:59,594 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:51:59,594 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-14 09:51:59,688 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-14 09:51:59,689 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-14 09:51:59,692 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 09:51:59,692 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 09:51:59,696 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:51:59,742 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 09:51:59,743 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:51:59,851 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-12-14 09:52:00,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:52:00,208 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:52:00,297 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:52:00,304 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 09:52:00,304 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:52:00,305 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 09:52:00,307 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 09:52:00,308 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-14 09:52:00,308 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-14 09:52:00,310 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 09:52:00,311 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 09:52:00,312 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:52:00,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,317 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,320 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,321 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 09:52:00,321 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,322 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-14 09:52:00,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,323 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:52:00,324 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-14 09:52:00,325 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-14 09:52:00,328 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:52:00,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,329 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:52:00,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,330 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 09:52:00,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,333 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 09:52:00,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,337 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:52:00,338 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,338 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,340 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,343 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:52:00,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,345 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 09:52:00,345 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-14 09:52:00,346 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:52:00,346 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,347 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 09:52:00,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,349 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,351 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,351 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,352 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,356 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 09:52:00,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,362 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:52:00,362 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,363 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:52:00,363 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:52:00,368 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:52:00,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,370 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-12-14 09:52:00,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,381 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-14 09:52:00,381 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:52:00,382 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-14 09:52:00,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,384 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 09:52:00,384 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-14 09:52:00,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:52:00,387 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:52:00,387 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:52:00,388 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-14 09:52:00,408 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-14 09:52:00,409 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-14 09:52:00,414 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 09:52:00,414 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 09:52:00,417 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:52:00,421 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 09:52:00,421 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:52:00,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-12-14 09:52:00,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:52:00,516 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:52:00,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00 WrapperNode [2022-12-14 09:52:00,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:52:00,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:52:00,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:52:00,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:52:00,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (1/1) ... [2022-12-14 09:52:00,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (1/1) ... [2022-12-14 09:52:00,735 INFO L138 Inliner]: procedures = 326, calls = 1240, calls flagged for inlining = 468, calls inlined = 783, statements flattened = 6602 [2022-12-14 09:52:00,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:52:00,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:52:00,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:52:00,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:52:00,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (1/1) ... [2022-12-14 09:52:00,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (1/1) ... [2022-12-14 09:52:00,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (1/1) ... [2022-12-14 09:52:00,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (1/1) ... [2022-12-14 09:52:00,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (1/1) ... [2022-12-14 09:52:00,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (1/1) ... [2022-12-14 09:52:00,878 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (1/1) ... [2022-12-14 09:52:00,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (1/1) ... [2022-12-14 09:52:00,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:52:00,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:52:00,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:52:00,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:52:00,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (1/1) ... [2022-12-14 09:52:00,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:52:00,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:52:00,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:52:00,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af26b355-e5a5-4449-aac3-0bd6becdd45f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:52:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2022-12-14 09:52:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2022-12-14 09:52:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-12-14 09:52:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-12-14 09:52:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-12-14 09:52:00,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-12-14 09:52:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:52:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:52:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:52:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:52:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:52:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:52:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 09:52:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:52:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:52:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:52:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:52:00,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:52:00,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:52:00,973 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 09:52:01,366 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:52:01,367 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:52:05,308 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:52:05,347 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:52:05,347 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:52:05,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:52:05 BoogieIcfgContainer [2022-12-14 09:52:05,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:52:05,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:52:05,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:52:05,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:52:05,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:51:58" (1/3) ... [2022-12-14 09:52:05,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724a5022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:52:05, skipping insertion in model container [2022-12-14 09:52:05,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:52:00" (2/3) ... [2022-12-14 09:52:05,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724a5022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:52:05, skipping insertion in model container [2022-12-14 09:52:05,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:52:05" (3/3) ... [2022-12-14 09:52:05,363 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-14 09:52:05,371 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 09:52:05,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:52:05,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:52:05,382 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 09:52:06,232 INFO L144 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2022-12-14 09:52:06,312 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 09:52:06,322 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 11423 places, 11792 transitions, 23648 flow [2022-12-14 09:52:06,324 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 11423 places, 11792 transitions, 23648 flow [2022-12-14 09:52:06,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 11423 places, 11792 transitions, 23648 flow [2022-12-14 09:53:09,115 INFO L130 PetriNetUnfolder]: 708/22162 cut-off events. [2022-12-14 09:53:09,115 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-14 09:53:12,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22196 conditions, 22162 events. 708/22162 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 154690 event pairs, 1 based on Foata normal form. 0/21439 useless extension candidates. Maximal degree in co-relation 21554. Up to 18 conditions per place. [2022-12-14 09:53:28,590 INFO L119 LiptonReduction]: Number of co-enabled transitions 41506146 [2022-12-14 10:00:13,637 WARN L233 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 138 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:00:19,227 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:00:24,465 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 138 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:01:04,013 WARN L233 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 201 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:02:15,478 WARN L233 SmtUtils]: Spent 10.34s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:02:25,653 WARN L233 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:02:31,743 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 10:02:37,740 WARN L233 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)