./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.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 overflows 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_c662e268-87d7-4c8e-a782-0e7c6acf45f5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/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_c662e268-87d7-4c8e-a782-0e7c6acf45f5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/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_c662e268-87d7-4c8e-a782-0e7c6acf45f5/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 09:13:47,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:13:47,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:13:47,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:13:47,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:13:47,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:13:47,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:13:47,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:13:47,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:13:47,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:13:47,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:13:47,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:13:47,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:13:47,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:13:47,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:13:47,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:13:47,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:13:47,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:13:47,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:13:47,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:13:47,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:13:47,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:13:47,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:13:47,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:13:47,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:13:47,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:13:47,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:13:47,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:13:47,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:13:47,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:13:47,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:13:47,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:13:47,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:13:47,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:13:47,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:13:47,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:13:47,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:13:47,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:13:47,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:13:47,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:13:47,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:13:47,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 09:13:47,635 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:13:47,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:13:47,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:13:47,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:13:47,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:13:47,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:13:47,636 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:13:47,637 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:13:47,637 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:13:47,637 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:13:47,637 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:13:47,637 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:13:47,637 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:13:47,637 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:13:47,637 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:13:47,638 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:13:47,638 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:13:47,638 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:13:47,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:13:47,639 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:13:47,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:13:47,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:13:47,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:13:47,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:13:47,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:13:47,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:13:47,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:13:47,640 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 09:13:47,640 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:13:47,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:13:47,640 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:13:47,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:13:47,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:13:47,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:13:47,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:13:47,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:13:47,641 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:13:47,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:13:47,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:13:47,642 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:13:47,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:13:47,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:13:47,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:13:47,642 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_c662e268-87d7-4c8e-a782-0e7c6acf45f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c [2022-12-14 09:13:47,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:13:47,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:13:47,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:13:47,832 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:13:47,832 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:13:47,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/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 09:13:50,345 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:13:50,645 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:13:50,646 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-14 09:13:50,669 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/bin/utaipan-gh47qXpMRh/data/6ac5c067d/e6036f4b8cf147319c0f1b4f5c707a84/FLAG62c439c10 [2022-12-14 09:13:50,913 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/bin/utaipan-gh47qXpMRh/data/6ac5c067d/e6036f4b8cf147319c0f1b4f5c707a84 [2022-12-14 09:13:50,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:13:50,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:13:50,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:13:50,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:13:50,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:13:50,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:13:50" (1/1) ... [2022-12-14 09:13:50,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3950998f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:50, skipping insertion in model container [2022-12-14 09:13:50,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:13:50" (1/1) ... [2022-12-14 09:13:50,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:13:51,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:13:51,457 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:13:51,531 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 09:13:51,536 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:13:51,538 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 09:13:51,572 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 09:13:51,581 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-14 09:13:51,585 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-14 09:13:51,619 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 09:13:51,620 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 09:13:51,627 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:13:51,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,750 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,753 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,754 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 09:13:51,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,755 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-14 09:13:51,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,757 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:13:51,758 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-14 09:13:51,758 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-14 09:13:51,760 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:13:51,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,761 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:13:51,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,763 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 09:13:51,764 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,764 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,765 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 09:13:51,767 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,770 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:13:51,771 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,771 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,776 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,778 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:51,779 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,779 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 09:13:51,780 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-14 09:13:51,781 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:51,781 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,782 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 09:13:51,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,786 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,791 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,795 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 09:13:51,797 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,803 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:13:51,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,804 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:13:51,804 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:13:51,806 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:13:51,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,811 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,811 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-12-14 09:13:51,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,828 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,832 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-14 09:13:51,834 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:51,834 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-14 09:13:51,835 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,837 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 09:13:51,838 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-14 09:13:51,839 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:51,841 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:13:51,842 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:13:51,842 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-14 09:13:51,938 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-14 09:13:51,939 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-14 09:13:51,943 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 09:13:51,943 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 09:13:51,948 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:52,003 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 09:13:52,004 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:13:52,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-12-14 09:13:52,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:13:52,424 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:13:52,495 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:13:52,501 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 09:13:52,502 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:13:52,502 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 09:13:52,504 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 09:13:52,504 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-14 09:13:52,505 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-14 09:13:52,506 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 09:13:52,506 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 09:13:52,507 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:13:52,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,515 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 09:13:52,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,516 WARN L623 FunctionHandler]: Unknown extern function alloc_irdadev [2022-12-14 09:13:52,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,517 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:13:52,518 WARN L623 FunctionHandler]: Unknown extern function irda_init_max_qos_capabilies [2022-12-14 09:13:52,518 WARN L623 FunctionHandler]: Unknown extern function irda_qos_bits_to_value [2022-12-14 09:13:52,520 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:13:52,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,520 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:13:52,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,521 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 09:13:52,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,523 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 09:13:52,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,526 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 09:13:52,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,532 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:52,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,533 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 09:13:52,534 WARN L623 FunctionHandler]: Unknown extern function async_wrap_skb [2022-12-14 09:13:52,534 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 09:13:52,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,535 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 09:13:52,536 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,543 WARN L623 FunctionHandler]: Unknown extern function irda_setup_dma [2022-12-14 09:13:52,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,547 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:13:52,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,548 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:13:52,549 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:13:52,551 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:13:52,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,554 WARN L623 FunctionHandler]: Unknown extern function async_unwrap_char [2022-12-14 09:13:52,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,586 WARN L623 FunctionHandler]: Unknown extern function request_dma [2022-12-14 09:13:52,587 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:52,587 WARN L623 FunctionHandler]: Unknown extern function irlap_open [2022-12-14 09:13:52,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,589 WARN L623 FunctionHandler]: Unknown extern function irlap_close [2022-12-14 09:13:52,589 WARN L623 FunctionHandler]: Unknown extern function free_dma [2022-12-14 09:13:52,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:52,592 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:13:52,592 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:13:52,592 WARN L623 FunctionHandler]: Unknown extern function irda_device_set_media_busy [2022-12-14 09:13:52,607 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-14 09:13:52,608 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_register_netdev [2022-12-14 09:13:52,612 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 09:13:52,612 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 09:13:52,615 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:52,618 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 09:13:52,618 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:13:52,624 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_c662e268-87d7-4c8e-a782-0e7c6acf45f5/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2022-12-14 09:13:52,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:13:52,685 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:13:52,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52 WrapperNode [2022-12-14 09:13:52,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:13:52,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:13:52,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:13:52,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:13:52,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (1/1) ... [2022-12-14 09:13:52,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (1/1) ... [2022-12-14 09:13:52,921 INFO L138 Inliner]: procedures = 326, calls = 1240, calls flagged for inlining = 468, calls inlined = 783, statements flattened = 7164 [2022-12-14 09:13:52,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:13:52,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:13:52,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:13:52,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:13:52,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (1/1) ... [2022-12-14 09:13:52,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (1/1) ... [2022-12-14 09:13:52,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (1/1) ... [2022-12-14 09:13:52,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (1/1) ... [2022-12-14 09:13:53,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (1/1) ... [2022-12-14 09:13:53,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (1/1) ... [2022-12-14 09:13:53,061 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (1/1) ... [2022-12-14 09:13:53,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (1/1) ... [2022-12-14 09:13:53,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:13:53,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:13:53,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:13:53,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:13:53,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (1/1) ... [2022-12-14 09:13:53,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:13:53,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:13:53,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:13:53,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c662e268-87d7-4c8e-a782-0e7c6acf45f5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:13:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2022-12-14 09:13:53,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2022-12-14 09:13:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-12-14 09:13:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-12-14 09:13:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-12-14 09:13:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-12-14 09:13:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:13:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:13:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:13:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:13:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:13:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:13:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 09:13:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:13:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:13:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:13:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:13:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:13:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:13:53,157 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 09:13:53,542 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:13:53,545 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:13:57,853 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:13:57,893 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:13:57,893 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:13:57,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:13:57 BoogieIcfgContainer [2022-12-14 09:13:57,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:13:57,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:13:57,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:13:57,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:13:57,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:13:50" (1/3) ... [2022-12-14 09:13:57,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b01ea44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:13:57, skipping insertion in model container [2022-12-14 09:13:57,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:52" (2/3) ... [2022-12-14 09:13:57,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b01ea44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:13:57, skipping insertion in model container [2022-12-14 09:13:57,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:13:57" (3/3) ... [2022-12-14 09:13:57,910 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2022-12-14 09:13:57,917 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 09:13:57,926 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:13:57,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 562 error locations. [2022-12-14 09:13:57,926 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 09:13:58,791 INFO L144 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2022-12-14 09:13:58,936 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 09:13:58,946 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 12718 places, 13087 transitions, 26238 flow [2022-12-14 09:13:58,948 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 12718 places, 13087 transitions, 26238 flow [2022-12-14 09:13:58,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 12718 places, 13087 transitions, 26238 flow [2022-12-14 09:15:19,349 INFO L130 PetriNetUnfolder]: 708/24744 cut-off events. [2022-12-14 09:15:19,350 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-14 09:15:24,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24778 conditions, 24744 events. 708/24744 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 178745 event pairs, 1 based on Foata normal form. 0/22731 useless extension candidates. Maximal degree in co-relation 24136. Up to 18 conditions per place. [2022-12-14 09:15:45,688 INFO L119 LiptonReduction]: Number of co-enabled transitions 53932012