./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:04:42,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:04:42,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:04:42,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:04:42,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:04:42,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:04:42,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:04:42,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:04:42,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:04:42,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:04:42,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:04:42,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:04:42,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:04:42,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:04:42,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:04:42,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:04:42,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:04:42,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:04:42,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:04:42,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:04:42,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:04:42,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:04:42,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:04:42,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:04:42,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:04:42,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:04:42,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:04:42,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:04:42,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:04:42,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:04:42,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:04:42,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:04:42,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:04:42,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:04:42,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:04:42,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:04:42,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:04:42,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:04:42,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:04:42,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:04:42,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:04:42,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:04:42,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:04:42,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:04:42,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:04:42,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:04:42,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:04:42,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:04:42,782 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:04:42,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:04:42,783 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:04:42,783 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:04:42,784 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:04:42,784 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:04:42,784 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:04:42,785 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:04:42,785 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:04:42,785 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:04:42,785 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:04:42,785 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:04:42,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:04:42,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:04:42,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:04:42,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:04:42,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:04:42,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:04:42,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:04:42,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:04:42,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:04:42,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:04:42,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:04:42,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:04:42,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:04:42,790 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:04:42,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:04:42,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:04:42,791 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:04:42,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:04:42,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:04:42,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:04:42,791 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_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2022-11-26 00:04:43,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:04:43,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:04:43,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:04:43,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:04:43,127 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:04:43,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2022-11-26 00:04:46,065 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:04:46,759 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:04:46,759 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2022-11-26 00:04:46,816 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/data/828dc170a/052a4e0bb8ce47e69d2a18cee98bfd6a/FLAGf21a64786 [2022-11-26 00:04:46,833 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/data/828dc170a/052a4e0bb8ce47e69d2a18cee98bfd6a [2022-11-26 00:04:46,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:04:46,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:04:46,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:04:46,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:04:46,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:04:46,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:46" (1/1) ... [2022-11-26 00:04:46,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5796ae33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:46, skipping insertion in model container [2022-11-26 00:04:46,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:46" (1/1) ... [2022-11-26 00:04:46,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:04:47,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:04:47,933 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:04:47,946 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:04:47,958 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:04:48,022 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-26 00:04:48,316 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-26 00:04:48,340 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:04:48,572 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:48,573 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:04:48,575 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:04:48,593 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:48,613 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:48,614 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:48,623 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:48,635 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_io [2022-11-26 00:04:48,644 WARN L623 FunctionHandler]: Unknown extern function pcmcia_loop_config [2022-11-26 00:04:48,651 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_window [2022-11-26 00:04:48,654 WARN L623 FunctionHandler]: Unknown extern function pcmcia_map_mem_page [2022-11-26 00:04:48,662 WARN L623 FunctionHandler]: Unknown extern function pcmcia_parse_tuple [2022-11-26 00:04:48,672 WARN L623 FunctionHandler]: Unknown extern function pcmcia_loop_tuple [2022-11-26 00:04:48,673 WARN L623 FunctionHandler]: Unknown extern function pcmcia_get_tuple [2022-11-26 00:04:48,676 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:04:48,691 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:48,697 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:48,714 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_io [2022-11-26 00:04:48,720 WARN L623 FunctionHandler]: Unknown extern function pcmcia_loop_config [2022-11-26 00:04:48,726 WARN L623 FunctionHandler]: Unknown extern function pcmcia_get_mac_from_cis [2022-11-26 00:04:48,737 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_io [2022-11-26 00:04:48,739 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_io [2022-11-26 00:04:48,744 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-26 00:04:48,745 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:04:48,747 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:48,747 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-26 00:04:48,759 WARN L623 FunctionHandler]: Unknown extern function pcmcia_loop_tuple [2022-11-26 00:04:48,771 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:48,780 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:04:48,791 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:04:48,792 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:04:48,798 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:48,804 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:48,804 WARN L623 FunctionHandler]: Unknown extern function pcmcia_fixup_iowidth [2022-11-26 00:04:48,812 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:48,823 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_irq [2022-11-26 00:04:48,824 WARN L623 FunctionHandler]: Unknown extern function pcmcia_enable_device [2022-11-26 00:04:48,825 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-11-26 00:04:48,828 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-11-26 00:04:48,837 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:04:48,839 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:48,847 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:48,848 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:48,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:04:48,851 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,851 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-26 00:04:48,855 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:48,856 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:04:48,857 WARN L623 FunctionHandler]: Unknown extern function pcmcia_disable_device [2022-11-26 00:04:48,869 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:48,870 WARN L623 FunctionHandler]: Unknown extern function pcmcia_dev_present [2022-11-26 00:04:48,871 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:48,874 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:48,880 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:04:48,881 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:04:48,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,886 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-26 00:04:48,888 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,892 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,893 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:04:48,894 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:04:48,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,924 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-26 00:04:48,933 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,940 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,944 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,955 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,957 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,961 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:04:48,966 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,971 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,972 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:04:48,972 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:04:48,972 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:04:48,976 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:04:48,982 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:48,990 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:48,992 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:49,002 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,003 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:04:49,004 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:04:49,004 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-26 00:04:49,004 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:04:49,005 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,006 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,007 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,009 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,010 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,011 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,011 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,012 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:04:49,013 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-11-26 00:04:49,031 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:04:49,032 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:04:49,037 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-26 00:04:49,042 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-26 00:04:49,051 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-26 00:04:49,053 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-26 00:04:49,066 WARN L623 FunctionHandler]: Unknown extern function pcmcia_register_driver [2022-11-26 00:04:49,070 WARN L623 FunctionHandler]: Unknown extern function pcmcia_unregister_driver [2022-11-26 00:04:49,101 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:04:49,104 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:04:49,104 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:04:49,105 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:04:49,107 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 00:04:49,107 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 00:04:49,110 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:04:49,112 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:04:49,112 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:04:49,113 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-11-26 00:04:49,113 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-11-26 00:04:49,122 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-26 00:04:49,131 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:04:49,132 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:04:49,132 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:04:49,133 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:04:49,134 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:04:49,134 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:04:49,135 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:04:49,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2022-11-26 00:04:49,168 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-26 00:04:49,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:04:49,268 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:04:49,497 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:04:49,498 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:04:49,498 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:04:49,499 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-26 00:04:49,505 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-26 00:04:49,505 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:04:49,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:49,510 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:04:49,511 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:04:49,529 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:49,540 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:49,543 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:49,543 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:49,545 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_io [2022-11-26 00:04:49,549 WARN L623 FunctionHandler]: Unknown extern function pcmcia_loop_config [2022-11-26 00:04:49,550 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_window [2022-11-26 00:04:49,552 WARN L623 FunctionHandler]: Unknown extern function pcmcia_map_mem_page [2022-11-26 00:04:49,554 WARN L623 FunctionHandler]: Unknown extern function pcmcia_parse_tuple [2022-11-26 00:04:49,557 WARN L623 FunctionHandler]: Unknown extern function pcmcia_loop_tuple [2022-11-26 00:04:49,559 WARN L623 FunctionHandler]: Unknown extern function pcmcia_get_tuple [2022-11-26 00:04:49,560 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:04:49,571 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:49,572 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:49,575 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_io [2022-11-26 00:04:49,576 WARN L623 FunctionHandler]: Unknown extern function pcmcia_loop_config [2022-11-26 00:04:49,578 WARN L623 FunctionHandler]: Unknown extern function pcmcia_get_mac_from_cis [2022-11-26 00:04:49,580 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_io [2022-11-26 00:04:49,582 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_io [2022-11-26 00:04:49,583 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-26 00:04:49,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:04:49,584 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:49,585 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-26 00:04:49,586 WARN L623 FunctionHandler]: Unknown extern function pcmcia_loop_tuple [2022-11-26 00:04:49,588 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:49,589 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:04:49,592 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:04:49,592 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:04:49,593 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:49,595 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,595 WARN L623 FunctionHandler]: Unknown extern function pcmcia_fixup_iowidth [2022-11-26 00:04:49,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:49,600 WARN L623 FunctionHandler]: Unknown extern function pcmcia_request_irq [2022-11-26 00:04:49,601 WARN L623 FunctionHandler]: Unknown extern function pcmcia_enable_device [2022-11-26 00:04:49,601 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-11-26 00:04:49,602 WARN L623 FunctionHandler]: Unknown extern function dev_notice [2022-11-26 00:04:49,609 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:04:49,609 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,610 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,610 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:04:49,612 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,613 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-26 00:04:49,619 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:49,620 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:04:49,621 WARN L623 FunctionHandler]: Unknown extern function pcmcia_disable_device [2022-11-26 00:04:49,625 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:49,626 WARN L623 FunctionHandler]: Unknown extern function pcmcia_dev_present [2022-11-26 00:04:49,627 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,628 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:04:49,630 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:04:49,631 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-26 00:04:49,633 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,635 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-26 00:04:49,638 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,639 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,640 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:04:49,640 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:04:49,644 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,648 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-26 00:04:49,651 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,654 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,655 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,661 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,664 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,665 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,668 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-26 00:04:49,672 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,677 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,677 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:04:49,678 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:04:49,678 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:04:49,680 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:04:49,683 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,686 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-26 00:04:49,687 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:04:49,691 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,692 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:04:49,692 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-26 00:04:49,692 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-26 00:04:49,693 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:04:49,694 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,694 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,696 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,697 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,698 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,699 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,700 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-26 00:04:49,700 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:04:49,701 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-11-26 00:04:49,705 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:04:49,705 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:04:49,706 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-26 00:04:49,707 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-26 00:04:49,709 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-26 00:04:49,711 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-26 00:04:49,719 WARN L623 FunctionHandler]: Unknown extern function pcmcia_register_driver [2022-11-26 00:04:49,795 WARN L623 FunctionHandler]: Unknown extern function pcmcia_unregister_driver [2022-11-26 00:04:49,799 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:04:49,800 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:04:49,800 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:04:49,801 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:04:49,802 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 00:04:49,802 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 00:04:49,802 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:04:49,803 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:04:49,803 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:04:49,804 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-11-26 00:04:49,804 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-11-26 00:04:49,806 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-26 00:04:49,808 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:04:49,809 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:04:49,809 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:04:49,809 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:04:49,810 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:04:49,810 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:04:49,810 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:04:49,811 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2022-11-26 00:04:49,812 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-26 00:04:49,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:04:49,962 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:04:49,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49 WrapperNode [2022-11-26 00:04:49,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:04:49,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:04:49,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:04:49,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:04:49,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (1/1) ... [2022-11-26 00:04:50,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (1/1) ... [2022-11-26 00:04:50,245 INFO L138 Inliner]: procedures = 235, calls = 2270, calls flagged for inlining = 117, calls inlined = 113, statements flattened = 5078 [2022-11-26 00:04:50,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:04:50,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:04:50,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:04:50,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:04:50,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (1/1) ... [2022-11-26 00:04:50,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (1/1) ... [2022-11-26 00:04:50,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (1/1) ... [2022-11-26 00:04:50,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (1/1) ... [2022-11-26 00:04:50,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (1/1) ... [2022-11-26 00:04:50,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (1/1) ... [2022-11-26 00:04:50,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (1/1) ... [2022-11-26 00:04:50,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (1/1) ... [2022-11-26 00:04:50,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:04:50,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:04:50,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:04:50,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:04:50,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (1/1) ... [2022-11-26 00:04:50,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:04:50,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:04:50,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:04:50,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7785cc5c-120e-4479-9096-22f8b5ad66c2/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:04:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2022-11-26 00:04:50,646 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2022-11-26 00:04:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-11-26 00:04:50,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-11-26 00:04:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:04:50,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:04:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2022-11-26 00:04:50,647 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2022-11-26 00:04:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:04:50,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:04:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2022-11-26 00:04:50,647 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2022-11-26 00:04:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-11-26 00:04:50,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-11-26 00:04:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-26 00:04:50,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-26 00:04:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2022-11-26 00:04:50,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2022-11-26 00:04:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-26 00:04:50,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-26 00:04:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:04:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:04:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2022-11-26 00:04:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2022-11-26 00:04:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-26 00:04:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-26 00:04:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2022-11-26 00:04:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2022-11-26 00:04:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:04:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:04:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:04:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:04:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:04:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:04:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-26 00:04:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-26 00:04:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2022-11-26 00:04:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2022-11-26 00:04:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-26 00:04:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-26 00:04:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-26 00:04:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-26 00:04:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:04:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-26 00:04:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-26 00:04:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-26 00:04:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-26 00:04:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-26 00:04:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-26 00:04:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:04:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-26 00:04:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-26 00:04:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 00:04:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 00:04:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2022-11-26 00:04:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2022-11-26 00:04:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2022-11-26 00:04:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2022-11-26 00:04:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-26 00:04:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-26 00:04:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-26 00:04:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-26 00:04:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 00:04:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 00:04:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:04:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:04:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2022-11-26 00:04:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2022-11-26 00:04:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2022-11-26 00:04:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2022-11-26 00:04:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-26 00:04:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-26 00:04:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-26 00:04:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-26 00:04:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 00:04:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 00:04:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-26 00:04:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-26 00:04:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:04:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:04:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-26 00:04:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-26 00:04:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-11-26 00:04:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-11-26 00:04:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:04:50,657 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-26 00:04:50,660 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-26 00:04:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 00:04:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 00:04:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-26 00:04:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-26 00:04:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-26 00:04:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-26 00:04:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-26 00:04:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-26 00:04:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2022-11-26 00:04:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2022-11-26 00:04:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:04:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-26 00:04:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-26 00:04:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2022-11-26 00:04:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2022-11-26 00:04:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2022-11-26 00:04:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2022-11-26 00:04:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:04:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:04:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-26 00:04:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-26 00:04:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:04:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-26 00:04:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-26 00:04:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-26 00:04:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-26 00:04:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:04:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-26 00:04:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-26 00:04:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:04:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2022-11-26 00:04:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2022-11-26 00:04:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2022-11-26 00:04:50,668 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2022-11-26 00:04:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2022-11-26 00:04:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2022-11-26 00:04:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-26 00:04:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-26 00:04:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2022-11-26 00:04:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2022-11-26 00:04:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:04:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-26 00:04:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-26 00:04:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-26 00:04:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-26 00:04:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-26 00:04:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-26 00:04:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-26 00:04:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-26 00:04:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-26 00:04:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-26 00:04:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:04:50,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:04:51,457 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:04:51,460 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:04:52,559 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:04:59,199 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:05:00,409 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:05:00,409 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:05:00,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:00 BoogieIcfgContainer [2022-11-26 00:05:00,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:05:00,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:05:00,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:05:00,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:05:00,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:04:46" (1/3) ... [2022-11-26 00:05:00,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe0c373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:00, skipping insertion in model container [2022-11-26 00:05:00,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:49" (2/3) ... [2022-11-26 00:05:00,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe0c373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:00, skipping insertion in model container [2022-11-26 00:05:00,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:00" (3/3) ... [2022-11-26 00:05:00,427 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2022-11-26 00:05:00,447 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:05:00,448 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:05:00,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:05:00,550 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42718fc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:05:00,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:05:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 1159 states, 676 states have (on average 1.3387573964497042) internal successors, (905), 709 states have internal predecessors, (905), 418 states have call successors, (418), 64 states have call predecessors, (418), 63 states have return successors, (412), 405 states have call predecessors, (412), 412 states have call successors, (412) [2022-11-26 00:05:00,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-26 00:05:00,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:00,627 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:00,628 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:05:00,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:00,635 INFO L85 PathProgramCache]: Analyzing trace with hash 2119262442, now seen corresponding path program 1 times [2022-11-26 00:05:00,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:00,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871476613] [2022-11-26 00:05:00,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:00,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-11-26 00:05:02,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:02,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871476613] [2022-11-26 00:05:02,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871476613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:02,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:02,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:05:02,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327410703] [2022-11-26 00:05:02,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:02,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:05:02,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:02,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:05:02,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:05:02,684 INFO L87 Difference]: Start difference. First operand has 1159 states, 676 states have (on average 1.3387573964497042) internal successors, (905), 709 states have internal predecessors, (905), 418 states have call successors, (418), 64 states have call predecessors, (418), 63 states have return successors, (412), 405 states have call predecessors, (412), 412 states have call successors, (412) Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-26 00:05:04,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:12,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:12,637 INFO L93 Difference]: Finished difference Result 4572 states and 6871 transitions. [2022-11-26 00:05:12,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:05:12,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 232 [2022-11-26 00:05:12,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:12,693 INFO L225 Difference]: With dead ends: 4572 [2022-11-26 00:05:12,694 INFO L226 Difference]: Without dead ends: 3396 [2022-11-26 00:05:12,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:05:12,709 INFO L413 NwaCegarLoop]: 2355 mSDtfsCounter, 4278 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 815 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4278 SdHoareTripleChecker+Valid, 4608 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 815 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:12,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4278 Valid, 4608 Invalid, 2191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [815 Valid, 1375 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-11-26 00:05:12,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2022-11-26 00:05:13,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 3384. [2022-11-26 00:05:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3384 states, 1989 states have (on average 1.3257918552036199) internal successors, (2637), 2058 states have internal predecessors, (2637), 1212 states have call successors, (1212), 183 states have call predecessors, (1212), 182 states have return successors, (1211), 1192 states have call predecessors, (1211), 1211 states have call successors, (1211) [2022-11-26 00:05:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 3384 states and 5060 transitions. [2022-11-26 00:05:13,161 INFO L78 Accepts]: Start accepts. Automaton has 3384 states and 5060 transitions. Word has length 232 [2022-11-26 00:05:13,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:13,163 INFO L495 AbstractCegarLoop]: Abstraction has 3384 states and 5060 transitions. [2022-11-26 00:05:13,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-26 00:05:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 5060 transitions. [2022-11-26 00:05:13,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-26 00:05:13,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:13,181 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:13,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:05:13,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:05:13,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:13,183 INFO L85 PathProgramCache]: Analyzing trace with hash 154477090, now seen corresponding path program 1 times [2022-11-26 00:05:13,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:13,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344663192] [2022-11-26 00:05:13,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:13,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-11-26 00:05:14,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:14,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344663192] [2022-11-26 00:05:14,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344663192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:14,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:14,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:05:14,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759066234] [2022-11-26 00:05:14,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:14,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:05:14,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:14,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:05:14,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:05:14,282 INFO L87 Difference]: Start difference. First operand 3384 states and 5060 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-26 00:05:16,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:21,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:22,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:26,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:26,245 INFO L93 Difference]: Finished difference Result 13471 states and 20150 transitions. [2022-11-26 00:05:26,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:05:26,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 234 [2022-11-26 00:05:26,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:26,309 INFO L225 Difference]: With dead ends: 13471 [2022-11-26 00:05:26,309 INFO L226 Difference]: Without dead ends: 10106 [2022-11-26 00:05:26,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:05:26,328 INFO L413 NwaCegarLoop]: 2335 mSDtfsCounter, 4214 mSDsluCounter, 2219 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 809 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4214 SdHoareTripleChecker+Valid, 4554 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 809 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:26,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4214 Valid, 4554 Invalid, 2172 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [809 Valid, 1362 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2022-11-26 00:05:26,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10106 states. [2022-11-26 00:05:27,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10106 to 10094. [2022-11-26 00:05:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10094 states, 5943 states have (on average 1.325761399966347) internal successors, (7879), 6140 states have internal predecessors, (7879), 3608 states have call successors, (3608), 543 states have call predecessors, (3608), 542 states have return successors, (3607), 3556 states have call predecessors, (3607), 3607 states have call successors, (3607) [2022-11-26 00:05:27,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10094 states to 10094 states and 15094 transitions. [2022-11-26 00:05:27,287 INFO L78 Accepts]: Start accepts. Automaton has 10094 states and 15094 transitions. Word has length 234 [2022-11-26 00:05:27,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:27,287 INFO L495 AbstractCegarLoop]: Abstraction has 10094 states and 15094 transitions. [2022-11-26 00:05:27,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-26 00:05:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 10094 states and 15094 transitions. [2022-11-26 00:05:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-26 00:05:27,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:27,302 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:27,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:05:27,303 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:05:27,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:27,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1133661714, now seen corresponding path program 1 times [2022-11-26 00:05:27,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:27,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512891871] [2022-11-26 00:05:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:27,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-11-26 00:05:28,238 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:28,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512891871] [2022-11-26 00:05:28,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512891871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:28,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:28,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:05:28,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689071859] [2022-11-26 00:05:28,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:28,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:05:28,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:28,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:05:28,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:05:28,249 INFO L87 Difference]: Start difference. First operand 10094 states and 15094 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-26 00:05:30,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:33,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:34,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:39,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:39,251 INFO L93 Difference]: Finished difference Result 40299 states and 60262 transitions. [2022-11-26 00:05:39,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:05:39,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 235 [2022-11-26 00:05:39,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:39,435 INFO L225 Difference]: With dead ends: 40299 [2022-11-26 00:05:39,436 INFO L226 Difference]: Without dead ends: 30224 [2022-11-26 00:05:39,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:05:39,498 INFO L413 NwaCegarLoop]: 2335 mSDtfsCounter, 3347 mSDsluCounter, 3741 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 6076 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:39,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 6076 Invalid, 1555 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1549 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-11-26 00:05:39,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30224 states. [2022-11-26 00:05:42,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30224 to 30194. [2022-11-26 00:05:42,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30194 states, 17787 states have (on average 1.3242817788272334) internal successors, (23555), 18356 states have internal predecessors, (23555), 10784 states have call successors, (10784), 1623 states have call predecessors, (10784), 1622 states have return successors, (10783), 10648 states have call predecessors, (10783), 10783 states have call successors, (10783) [2022-11-26 00:05:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30194 states to 30194 states and 45122 transitions. [2022-11-26 00:05:42,662 INFO L78 Accepts]: Start accepts. Automaton has 30194 states and 45122 transitions. Word has length 235 [2022-11-26 00:05:42,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:42,663 INFO L495 AbstractCegarLoop]: Abstraction has 30194 states and 45122 transitions. [2022-11-26 00:05:42,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-26 00:05:42,663 INFO L276 IsEmpty]: Start isEmpty. Operand 30194 states and 45122 transitions. [2022-11-26 00:05:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-26 00:05:42,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:42,684 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:42,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:05:42,685 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:05:42,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:42,686 INFO L85 PathProgramCache]: Analyzing trace with hash 696689114, now seen corresponding path program 1 times [2022-11-26 00:05:42,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:42,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518829779] [2022-11-26 00:05:42,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:42,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-11-26 00:05:43,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:43,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518829779] [2022-11-26 00:05:43,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518829779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:43,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:43,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:05:43,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865022333] [2022-11-26 00:05:43,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:43,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:05:43,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:43,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:05:43,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:05:43,671 INFO L87 Difference]: Start difference. First operand 30194 states and 45122 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-26 00:05:45,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:05:54,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:54,075 INFO L93 Difference]: Finished difference Result 116855 states and 174414 transitions. [2022-11-26 00:05:54,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:05:54,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 233 [2022-11-26 00:05:54,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:54,760 INFO L225 Difference]: With dead ends: 116855 [2022-11-26 00:05:54,761 INFO L226 Difference]: Without dead ends: 86680 [2022-11-26 00:05:54,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:05:54,904 INFO L413 NwaCegarLoop]: 2337 mSDtfsCounter, 3349 mSDsluCounter, 3442 mSDsCounter, 0 mSdLazyCounter, 1503 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3349 SdHoareTripleChecker+Valid, 5779 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1503 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:54,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3349 Valid, 5779 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1503 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-26 00:05:54,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86680 states. [2022-11-26 00:06:00,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86680 to 86668. [2022-11-26 00:06:00,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86668 states, 51305 states have (on average 1.3264009355813273) internal successors, (68051), 52810 states have internal predecessors, (68051), 30596 states have call successors, (30596), 4767 states have call predecessors, (30596), 4766 states have return successors, (30595), 30276 states have call predecessors, (30595), 30595 states have call successors, (30595) [2022-11-26 00:06:01,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86668 states to 86668 states and 129242 transitions. [2022-11-26 00:06:01,356 INFO L78 Accepts]: Start accepts. Automaton has 86668 states and 129242 transitions. Word has length 233 [2022-11-26 00:06:01,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:01,357 INFO L495 AbstractCegarLoop]: Abstraction has 86668 states and 129242 transitions. [2022-11-26 00:06:01,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-26 00:06:01,357 INFO L276 IsEmpty]: Start isEmpty. Operand 86668 states and 129242 transitions. [2022-11-26 00:06:01,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-11-26 00:06:01,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:01,559 INFO L195 NwaCegarLoop]: trace histogram [28, 15, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:01,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:06:01,560 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:06:01,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:01,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1878327736, now seen corresponding path program 1 times [2022-11-26 00:06:01,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:01,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754189543] [2022-11-26 00:06:01,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:01,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1169 trivial. 0 not checked. [2022-11-26 00:06:02,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:02,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754189543] [2022-11-26 00:06:02,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754189543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:02,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:02,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:06:02,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586769784] [2022-11-26 00:06:02,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:02,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:02,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:02,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:02,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:02,710 INFO L87 Difference]: Start difference. First operand 86668 states and 129242 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2022-11-26 00:06:04,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:06:13,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:13,753 INFO L93 Difference]: Finished difference Result 241184 states and 358596 transitions. [2022-11-26 00:06:13,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:13,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) Word has length 432 [2022-11-26 00:06:13,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:14,773 INFO L225 Difference]: With dead ends: 241184 [2022-11-26 00:06:14,774 INFO L226 Difference]: Without dead ends: 154535 [2022-11-26 00:06:15,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:15,056 INFO L413 NwaCegarLoop]: 2156 mSDtfsCounter, 1334 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:15,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 3604 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-26 00:06:15,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154535 states. [2022-11-26 00:06:24,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154535 to 154289. [2022-11-26 00:06:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154289 states, 90733 states have (on average 1.3175911741042399) internal successors, (119549), 93903 states have internal predecessors, (119549), 54753 states have call successors, (54753), 8884 states have call predecessors, (54753), 8802 states have return successors, (54752), 53709 states have call predecessors, (54752), 54752 states have call successors, (54752) [2022-11-26 00:06:26,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154289 states to 154289 states and 229054 transitions. [2022-11-26 00:06:26,063 INFO L78 Accepts]: Start accepts. Automaton has 154289 states and 229054 transitions. Word has length 432 [2022-11-26 00:06:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:26,064 INFO L495 AbstractCegarLoop]: Abstraction has 154289 states and 229054 transitions. [2022-11-26 00:06:26,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 2 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2022-11-26 00:06:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 154289 states and 229054 transitions. [2022-11-26 00:06:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-11-26 00:06:26,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:26,372 INFO L195 NwaCegarLoop]: trace histogram [29, 18, 9, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:26,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:06:26,373 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:06:26,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:26,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1333447961, now seen corresponding path program 1 times [2022-11-26 00:06:26,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:26,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252632072] [2022-11-26 00:06:26,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:26,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1459 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1454 trivial. 0 not checked. [2022-11-26 00:06:27,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:27,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252632072] [2022-11-26 00:06:27,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252632072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:27,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:27,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:06:27,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129904755] [2022-11-26 00:06:27,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:27,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:27,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:27,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:27,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:27,281 INFO L87 Difference]: Start difference. First operand 154289 states and 229054 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 2 states have call successors, (97), 2 states have call predecessors, (97), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2022-11-26 00:06:29,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []