./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.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_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/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_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/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_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/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 c76818fb304a0b40bd70831524c213fb48469a57ba59c902bf604bd33d1e93eb --- 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 00:26:37,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:26:37,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:26:37,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:26:37,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:26:37,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:26:37,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:26:37,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:26:37,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:26:37,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:26:37,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:26:37,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:26:37,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:26:37,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:26:37,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:26:37,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:26:37,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:26:37,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:26:37,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:26:37,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:26:37,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:26:37,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:26:37,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:26:37,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:26:37,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:26:37,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:26:37,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:26:37,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:26:37,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:26:37,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:26:37,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:26:37,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:26:37,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:26:37,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:26:37,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:26:37,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:26:37,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:26:37,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:26:37,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:26:37,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:26:37,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:26:37,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:26:37,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:26:37,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:26:37,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:26:37,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:26:37,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:26:37,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:26:37,551 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:26:37,551 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:26:37,551 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:26:37,551 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:26:37,552 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:26:37,552 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:26:37,552 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:26:37,552 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:26:37,553 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:26:37,553 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:26:37,553 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:26:37,553 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:26:37,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:26:37,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:26:37,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:26:37,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:26:37,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:26:37,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:26:37,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:26:37,560 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:26:37,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:26:37,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:26:37,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:26:37,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:26:37,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:26:37,567 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:26:37,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:26:37,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:26:37,568 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:26:37,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:26:37,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:26:37,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:26:37,570 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_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c76818fb304a0b40bd70831524c213fb48469a57ba59c902bf604bd33d1e93eb [2022-11-26 00:26:37,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:26:37,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:26:37,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:26:37,919 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:26:37,919 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:26:37,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2022-11-26 00:26:41,081 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:26:41,857 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:26:41,858 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2022-11-26 00:26:41,913 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/data/5b95f6062/51dc5bfccf3b47389b67e05deeeef74b/FLAG01449ffa0 [2022-11-26 00:26:41,933 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/data/5b95f6062/51dc5bfccf3b47389b67e05deeeef74b [2022-11-26 00:26:41,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:26:41,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:26:41,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:26:41,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:26:41,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:26:41,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:26:41" (1/1) ... [2022-11-26 00:26:41,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1815865d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:41, skipping insertion in model container [2022-11-26 00:26:41,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:26:41" (1/1) ... [2022-11-26 00:26:41,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:26:42,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:26:43,027 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:26:43,061 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:26:43,075 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:26:43,086 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:26:43,117 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-26 00:26:43,264 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:26:43,271 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:26:43,272 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:26:43,282 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:26:43,317 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:26:43,326 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:26:43,333 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:26:43,383 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-11-26 00:26:43,434 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:26:43,437 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,456 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:26:43,493 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-26 00:26:43,500 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-26 00:26:43,556 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:26:43,573 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:26:43,771 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:43,772 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:43,782 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:26:43,798 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-26 00:26:43,801 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,804 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,805 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,806 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,824 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,826 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:26:43,827 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:26:43,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,843 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,857 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,859 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,860 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,861 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,864 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:26:43,864 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-26 00:26:43,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,915 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,924 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,942 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:26:43,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,962 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-26 00:26:43,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,967 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,972 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:26:43,978 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-26 00:26:43,979 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:43,984 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:43,984 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:43,990 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:26:43,994 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:26:43,995 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:26:43,996 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:26:44,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:44,005 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-26 00:26:44,005 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:26:44,006 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:26:44,021 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:26:44,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:44,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:44,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:44,043 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:44,045 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:44,046 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:44,047 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:44,049 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:44,051 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:44,052 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:44,057 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:44,060 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:44,062 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:44,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:44,064 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:44,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:44,066 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:44,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:44,071 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:44,072 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:44,084 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-26 00:26:44,086 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:26:44,091 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:26:44,094 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:26:44,098 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:26:44,299 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:26:44,300 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:26:44,301 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 00:26:44,303 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:26:44,307 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:26:44,308 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:26:44,319 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:26:44,322 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:26:44,330 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:26:44,332 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:26:44,333 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:44,333 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:44,334 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:44,334 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:44,335 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:44,335 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:44,336 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:44,337 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:44,337 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:26:44,338 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:26:44,339 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:26:44,339 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:26:44,340 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:26:44,341 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:26:44,410 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:26:44,420 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,499 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,504 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,509 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,521 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,539 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,545 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,549 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,554 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,559 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,578 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,583 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,588 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,592 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,598 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,617 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,627 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,633 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,638 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,644 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,663 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,670 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,676 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,681 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,685 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,713 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,718 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,723 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,728 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,733 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,751 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,752 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,757 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,762 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,767 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,784 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,789 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,794 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,798 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,805 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,825 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,830 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,835 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,840 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,846 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,865 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,870 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,875 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,880 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,885 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,905 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,911 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,916 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,922 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,927 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,946 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,952 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,958 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,968 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,974 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,992 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,993 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,993 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,994 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,995 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,995 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,996 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,997 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,998 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,998 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:44,999 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,001 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,002 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,024 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315653,315666] [2022-11-26 00:26:45,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315798,315811] [2022-11-26 00:26:45,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:26:45,127 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:26:45,271 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:26:45,272 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:26:45,273 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:26:45,273 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:26:45,274 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-26 00:26:45,283 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:26:45,284 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:26:45,285 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:26:45,295 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:26:45,298 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:26:45,299 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:26:45,299 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:26:45,302 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-11-26 00:26:45,311 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:26:45,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,313 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:26:45,313 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-26 00:26:45,316 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-26 00:26:45,319 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:26:45,320 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:26:45,323 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:45,324 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:45,329 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:26:45,336 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-11-26 00:26:45,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,338 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,340 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,347 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:26:45,347 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:26:45,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,362 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,368 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:26:45,369 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-26 00:26:45,388 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,391 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,397 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:26:45,402 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,404 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,408 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-26 00:26:45,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,411 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,416 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:26:45,420 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-26 00:26:45,425 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,431 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,431 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,432 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,433 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:45,433 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:45,438 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:26:45,440 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:26:45,441 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:26:45,441 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:26:45,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,453 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-26 00:26:45,453 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:26:45,453 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:26:45,464 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:26:45,468 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,479 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:45,482 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:45,482 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:45,484 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:45,486 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:45,489 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:45,490 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:45,493 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:45,561 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:45,562 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-26 00:26:45,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:26:45,567 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:45,567 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:26:45,568 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-11-26 00:26:45,568 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-26 00:26:45,569 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:26:45,571 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:26:45,572 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:26:45,578 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:26:45,578 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:26:45,579 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 00:26:45,581 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:26:45,583 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-26 00:26:45,584 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-26 00:26:45,594 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:26:45,600 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-26 00:26:45,617 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:26:45,618 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:26:45,619 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:45,619 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:45,620 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:45,620 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:45,620 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:45,621 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:45,621 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:45,621 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-26 00:26:45,622 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:26:45,622 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:26:45,623 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:26:45,623 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:26:45,624 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:26:45,624 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:26:45,629 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:26:45,630 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,635 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,636 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,637 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,637 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,639 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,639 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,640 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,641 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,641 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,642 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,643 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,644 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,644 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,645 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,646 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,647 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,648 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,648 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,649 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,650 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,651 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,651 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,652 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,653 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,654 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,654 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,655 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,656 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,656 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,657 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,658 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,659 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,659 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,660 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,661 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,662 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,663 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,663 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,664 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,665 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,666 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,667 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,667 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,668 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,669 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,670 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,670 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,671 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,672 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,673 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,673 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,674 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,674 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,675 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,676 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,677 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,678 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,678 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,679 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,680 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,681 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,681 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,682 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,682 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,682 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,683 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,683 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,683 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,684 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,684 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,684 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,685 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:26:45,687 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315653,315666] [2022-11-26 00:26:45,687 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315798,315811] [2022-11-26 00:26:45,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:26:45,907 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:26:45,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45 WrapperNode [2022-11-26 00:26:45,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:26:45,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:26:45,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:26:45,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:26:45,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (1/1) ... [2022-11-26 00:26:46,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (1/1) ... [2022-11-26 00:26:46,229 INFO L138 Inliner]: procedures = 390, calls = 1871, calls flagged for inlining = 177, calls inlined = 157, statements flattened = 4314 [2022-11-26 00:26:46,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:26:46,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:26:46,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:26:46,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:26:46,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (1/1) ... [2022-11-26 00:26:46,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (1/1) ... [2022-11-26 00:26:46,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (1/1) ... [2022-11-26 00:26:46,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (1/1) ... [2022-11-26 00:26:46,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (1/1) ... [2022-11-26 00:26:46,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (1/1) ... [2022-11-26 00:26:46,475 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (1/1) ... [2022-11-26 00:26:46,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (1/1) ... [2022-11-26 00:26:46,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:26:46,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:26:46,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:26:46,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:26:46,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (1/1) ... [2022-11-26 00:26:46,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:26:46,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:26:46,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:26:46,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:26:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:26:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:26:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-26 00:26:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-26 00:26:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-11-26 00:26:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-11-26 00:26:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:26:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:26:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-26 00:26:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-26 00:26:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-11-26 00:26:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-11-26 00:26:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2022-11-26 00:26:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2022-11-26 00:26:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2022-11-26 00:26:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2022-11-26 00:26:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:26:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2022-11-26 00:26:46,605 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2022-11-26 00:26:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:26:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:26:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-26 00:26:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-26 00:26:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-26 00:26:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-26 00:26:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:26:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:26:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-26 00:26:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-26 00:26:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:26:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-26 00:26:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-26 00:26:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-26 00:26:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-26 00:26:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_103 [2022-11-26 00:26:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_103 [2022-11-26 00:26:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:26:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:26:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2022-11-26 00:26:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2022-11-26 00:26:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:26:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 00:26:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 00:26:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:26:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:26:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:26:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:26:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-26 00:26:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-26 00:26:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:26:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:26:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2022-11-26 00:26:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2022-11-26 00:26:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2022-11-26 00:26:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2022-11-26 00:26:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-26 00:26:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-26 00:26:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:26:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:26:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-26 00:26:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-26 00:26:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2022-11-26 00:26:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2022-11-26 00:26:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-26 00:26:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-26 00:26:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2022-11-26 00:26:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2022-11-26 00:26:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-26 00:26:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-26 00:26:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2022-11-26 00:26:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2022-11-26 00:26:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2022-11-26 00:26:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2022-11-26 00:26:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:26:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2022-11-26 00:26:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2022-11-26 00:26:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2022-11-26 00:26:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2022-11-26 00:26:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-26 00:26:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-26 00:26:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:26:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:26:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:26:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-26 00:26:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-26 00:26:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:26:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:26:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:26:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:26:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:26:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:26:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-26 00:26:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-26 00:26:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-26 00:26:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-26 00:26:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-26 00:26:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-26 00:26:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2022-11-26 00:26:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2022-11-26 00:26:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:26:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:26:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-26 00:26:46,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-26 00:26:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-26 00:26:46,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-26 00:26:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:26:46,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:26:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2022-11-26 00:26:46,620 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2022-11-26 00:26:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:26:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:26:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:26:46,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:26:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-26 00:26:46,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-26 00:26:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:26:46,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:26:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-26 00:26:46,621 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-26 00:26:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:26:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:26:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:26:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-26 00:26:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-26 00:26:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-26 00:26:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-26 00:26:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 00:26:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 00:26:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-26 00:26:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-26 00:26:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:26:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:26:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-26 00:26:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-26 00:26:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_pci_remove [2022-11-26 00:26:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_pci_remove [2022-11-26 00:26:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2022-11-26 00:26:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2022-11-26 00:26:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-26 00:26:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-26 00:26:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 00:26:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 00:26:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-26 00:26:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-26 00:26:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hp100_private [2022-11-26 00:26:46,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hp100_private [2022-11-26 00:26:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:26:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-26 00:26:46,626 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-26 00:26:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:26:46,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:26:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hp100_private [2022-11-26 00:26:46,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hp100_private [2022-11-26 00:26:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-11-26 00:26:46,627 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-11-26 00:26:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-26 00:26:46,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-26 00:26:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:26:46,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:26:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2022-11-26 00:26:46,628 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2022-11-26 00:26:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2022-11-26 00:26:46,628 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2022-11-26 00:26:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-26 00:26:46,629 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-26 00:26:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2022-11-26 00:26:46,629 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2022-11-26 00:26:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-26 00:26:46,629 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-26 00:26:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:26:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-26 00:26:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-26 00:26:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-26 00:26:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-26 00:26:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2022-11-26 00:26:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2022-11-26 00:26:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-26 00:26:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-26 00:26:47,435 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:26:47,440 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:26:47,795 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:26:51,246 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-26 00:26:51,248 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-26 00:26:51,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566-1: assume -9223372036854775808 <= #t~ret684#1 && #t~ret684#1 <= 9223372036854775807;havoc #t~ret684#1; [2022-11-26 00:26:51,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566: SUMMARY for call #t~ret684#1 := schedule_timeout_interruptible(1); srcloc: null [2022-11-26 00:26:51,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume 0 == (if 0 == ~tmp___4~7#1 then 0 else (if 2096896 == ~tmp___4~7#1 then ~tmp___4~7#1 else ~bitwiseAnd(~tmp___4~7#1, 2096896))) % 18446744073709551616; [2022-11-26 00:26:51,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !(0 == (if 0 == ~tmp___4~7#1 then 0 else (if 2096896 == ~tmp___4~7#1 then ~tmp___4~7#1 else ~bitwiseAnd(~tmp___4~7#1, 2096896))) % 18446744073709551616); [2022-11-26 00:26:51,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L8570: assume (if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; [2022-11-26 00:26:51,489 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L8570: assume !((if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0); [2022-11-26 00:26:51,655 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:26:53,036 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:26:53,036 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-26 00:26:53,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:26:53 BoogieIcfgContainer [2022-11-26 00:26:53,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:26:53,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:26:53,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:26:53,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:26:53,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:26:41" (1/3) ... [2022-11-26 00:26:53,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101d9323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:26:53, skipping insertion in model container [2022-11-26 00:26:53,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:26:45" (2/3) ... [2022-11-26 00:26:53,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@101d9323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:26:53, skipping insertion in model container [2022-11-26 00:26:53,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:26:53" (3/3) ... [2022-11-26 00:26:53,057 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2022-11-26 00:26:53,077 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:26:53,077 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:26:53,177 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:26:53,186 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;@290e7e65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:26:53,186 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:26:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 1399 states, 751 states have (on average 1.315579227696405) internal successors, (988), 799 states have internal predecessors, (988), 569 states have call successors, (569), 80 states have call predecessors, (569), 79 states have return successors, (564), 548 states have call predecessors, (564), 564 states have call successors, (564) [2022-11-26 00:26:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-26 00:26:53,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:53,232 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:53,233 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:26:53,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:53,246 INFO L85 PathProgramCache]: Analyzing trace with hash -451570498, now seen corresponding path program 1 times [2022-11-26 00:26:53,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:53,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606128118] [2022-11-26 00:26:53,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:53,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-26 00:26:54,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:54,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606128118] [2022-11-26 00:26:54,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606128118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:54,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:54,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:26:54,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250014280] [2022-11-26 00:26:54,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:54,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:26:54,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:54,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:26:54,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:26:54,055 INFO L87 Difference]: Start difference. First operand has 1399 states, 751 states have (on average 1.315579227696405) internal successors, (988), 799 states have internal predecessors, (988), 569 states have call successors, (569), 80 states have call predecessors, (569), 79 states have return successors, (564), 548 states have call predecessors, (564), 564 states have call successors, (564) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-26 00:26:56,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:56,026 INFO L93 Difference]: Finished difference Result 3996 states and 6127 transitions. [2022-11-26 00:26:56,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:26:56,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 102 [2022-11-26 00:26:56,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:56,071 INFO L225 Difference]: With dead ends: 3996 [2022-11-26 00:26:56,071 INFO L226 Difference]: Without dead ends: 2552 [2022-11-26 00:26:56,092 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 00:26:56,096 INFO L413 NwaCegarLoop]: 2633 mSDtfsCounter, 1881 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 4519 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:56,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1881 Valid, 4519 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:26:56,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2022-11-26 00:26:56,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2548. [2022-11-26 00:26:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2548 states, 1371 states have (on average 1.3078045222465353) internal successors, (1793), 1460 states have internal predecessors, (1793), 1030 states have call successors, (1030), 148 states have call predecessors, (1030), 146 states have return successors, (1037), 993 states have call predecessors, (1037), 1030 states have call successors, (1037) [2022-11-26 00:26:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 3860 transitions. [2022-11-26 00:26:56,541 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 3860 transitions. Word has length 102 [2022-11-26 00:26:56,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:56,542 INFO L495 AbstractCegarLoop]: Abstraction has 2548 states and 3860 transitions. [2022-11-26 00:26:56,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-26 00:26:56,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3860 transitions. [2022-11-26 00:26:56,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-26 00:26:56,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:56,560 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-11-26 00:26:56,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:26:56,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:26:56,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:56,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1451141585, now seen corresponding path program 1 times [2022-11-26 00:26:56,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:56,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850760482] [2022-11-26 00:26:56,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:56,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-26 00:26:57,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:57,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850760482] [2022-11-26 00:26:57,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850760482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:26:57,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:26:57,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:26:57,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968576037] [2022-11-26 00:26:57,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:26:57,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:26:57,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:57,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:26:57,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:26:57,022 INFO L87 Difference]: Start difference. First operand 2548 states and 3860 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-26 00:26:59,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:59,280 INFO L93 Difference]: Finished difference Result 6602 states and 9979 transitions. [2022-11-26 00:26:59,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:26:59,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 152 [2022-11-26 00:26:59,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:59,333 INFO L225 Difference]: With dead ends: 6602 [2022-11-26 00:26:59,334 INFO L226 Difference]: Without dead ends: 4063 [2022-11-26 00:26:59,353 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 00:26:59,355 INFO L413 NwaCegarLoop]: 2249 mSDtfsCounter, 1217 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:59,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 4086 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:26:59,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4063 states. [2022-11-26 00:26:59,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4063 to 4059. [2022-11-26 00:26:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4059 states, 2214 states have (on average 1.3062330623306233) internal successors, (2892), 2355 states have internal predecessors, (2892), 1600 states have call successors, (1600), 246 states have call predecessors, (1600), 244 states have return successors, (1607), 1545 states have call predecessors, (1607), 1600 states have call successors, (1607) [2022-11-26 00:26:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 4059 states and 6099 transitions. [2022-11-26 00:26:59,774 INFO L78 Accepts]: Start accepts. Automaton has 4059 states and 6099 transitions. Word has length 152 [2022-11-26 00:26:59,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:59,775 INFO L495 AbstractCegarLoop]: Abstraction has 4059 states and 6099 transitions. [2022-11-26 00:26:59,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-26 00:26:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 4059 states and 6099 transitions. [2022-11-26 00:26:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-26 00:26:59,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:59,797 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 5, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:26:59,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:26:59,797 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:26:59,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:59,809 INFO L85 PathProgramCache]: Analyzing trace with hash 405139471, now seen corresponding path program 1 times [2022-11-26 00:26:59,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:59,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930372977] [2022-11-26 00:26:59,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:59,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:00,172 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-26 00:27:00,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:00,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930372977] [2022-11-26 00:27:00,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930372977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:00,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:00,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:00,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90738333] [2022-11-26 00:27:00,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:00,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:00,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:00,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:00,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:00,179 INFO L87 Difference]: Start difference. First operand 4059 states and 6099 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-26 00:27:02,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:02,166 INFO L93 Difference]: Finished difference Result 10783 states and 16146 transitions. [2022-11-26 00:27:02,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:02,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 201 [2022-11-26 00:27:02,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:02,217 INFO L225 Difference]: With dead ends: 10783 [2022-11-26 00:27:02,218 INFO L226 Difference]: Without dead ends: 6733 [2022-11-26 00:27:02,242 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 00:27:02,244 INFO L413 NwaCegarLoop]: 2369 mSDtfsCounter, 1859 mSDsluCounter, 1825 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1859 SdHoareTripleChecker+Valid, 4194 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:02,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1859 Valid, 4194 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:27:02,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6733 states. [2022-11-26 00:27:02,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6733 to 6728. [2022-11-26 00:27:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6728 states, 3681 states have (on average 1.2961151860907363) internal successors, (4771), 3913 states have internal predecessors, (4771), 2625 states have call successors, (2625), 426 states have call predecessors, (2625), 421 states have return successors, (2640), 2531 states have call predecessors, (2640), 2625 states have call successors, (2640) [2022-11-26 00:27:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6728 states to 6728 states and 10036 transitions. [2022-11-26 00:27:02,835 INFO L78 Accepts]: Start accepts. Automaton has 6728 states and 10036 transitions. Word has length 201 [2022-11-26 00:27:02,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:02,836 INFO L495 AbstractCegarLoop]: Abstraction has 6728 states and 10036 transitions. [2022-11-26 00:27:02,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-26 00:27:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 6728 states and 10036 transitions. [2022-11-26 00:27:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-26 00:27:02,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:02,845 INFO L195 NwaCegarLoop]: trace histogram [10, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:27:02,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:27:02,846 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:02,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:02,847 INFO L85 PathProgramCache]: Analyzing trace with hash 432299321, now seen corresponding path program 1 times [2022-11-26 00:27:02,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:02,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710099816] [2022-11-26 00:27:02,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:02,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-26 00:27:03,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:03,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710099816] [2022-11-26 00:27:03,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710099816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:03,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:03,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:03,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371218170] [2022-11-26 00:27:03,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:03,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:03,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:03,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:03,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:03,294 INFO L87 Difference]: Start difference. First operand 6728 states and 10036 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-26 00:27:06,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:27:07,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:07,408 INFO L93 Difference]: Finished difference Result 15371 states and 22887 transitions. [2022-11-26 00:27:07,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:07,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 196 [2022-11-26 00:27:07,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:07,480 INFO L225 Difference]: With dead ends: 15371 [2022-11-26 00:27:07,481 INFO L226 Difference]: Without dead ends: 8652 [2022-11-26 00:27:07,524 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 00:27:07,526 INFO L413 NwaCegarLoop]: 2984 mSDtfsCounter, 1227 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 4813 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:07,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 4813 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-26 00:27:07,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8652 states. [2022-11-26 00:27:08,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8652 to 8646. [2022-11-26 00:27:08,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8646 states, 4778 states have (on average 1.2925910422771034) internal successors, (6176), 5071 states have internal predecessors, (6176), 3304 states have call successors, (3304), 568 states have call predecessors, (3304), 563 states have return successors, (3319), 3190 states have call predecessors, (3319), 3304 states have call successors, (3319) [2022-11-26 00:27:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8646 states to 8646 states and 12799 transitions. [2022-11-26 00:27:08,275 INFO L78 Accepts]: Start accepts. Automaton has 8646 states and 12799 transitions. Word has length 196 [2022-11-26 00:27:08,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:08,276 INFO L495 AbstractCegarLoop]: Abstraction has 8646 states and 12799 transitions. [2022-11-26 00:27:08,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-26 00:27:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 8646 states and 12799 transitions. [2022-11-26 00:27:08,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-26 00:27:08,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:08,286 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-11-26 00:27:08,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:27:08,286 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:08,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:08,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1078987231, now seen corresponding path program 1 times [2022-11-26 00:27:08,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:08,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077955522] [2022-11-26 00:27:08,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:08,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-26 00:27:08,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:08,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077955522] [2022-11-26 00:27:08,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077955522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:08,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:08,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:08,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531642306] [2022-11-26 00:27:08,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:08,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:08,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:08,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:08,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:08,706 INFO L87 Difference]: Start difference. First operand 8646 states and 12799 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-26 00:27:10,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:10,476 INFO L93 Difference]: Finished difference Result 17337 states and 25669 transitions. [2022-11-26 00:27:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:10,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 258 [2022-11-26 00:27:10,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:10,545 INFO L225 Difference]: With dead ends: 17337 [2022-11-26 00:27:10,546 INFO L226 Difference]: Without dead ends: 8700 [2022-11-26 00:27:10,588 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 00:27:10,589 INFO L413 NwaCegarLoop]: 1871 mSDtfsCounter, 7 mSDsluCounter, 1863 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:10,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3734 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:27:10,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8700 states. [2022-11-26 00:27:11,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8700 to 8652. [2022-11-26 00:27:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8652 states, 4784 states have (on average 1.2922240802675586) internal successors, (6182), 5077 states have internal predecessors, (6182), 3304 states have call successors, (3304), 568 states have call predecessors, (3304), 563 states have return successors, (3319), 3190 states have call predecessors, (3319), 3304 states have call successors, (3319) [2022-11-26 00:27:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8652 states to 8652 states and 12805 transitions. [2022-11-26 00:27:11,317 INFO L78 Accepts]: Start accepts. Automaton has 8652 states and 12805 transitions. Word has length 258 [2022-11-26 00:27:11,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:11,321 INFO L495 AbstractCegarLoop]: Abstraction has 8652 states and 12805 transitions. [2022-11-26 00:27:11,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-26 00:27:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 8652 states and 12805 transitions. [2022-11-26 00:27:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-26 00:27:11,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:11,331 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-11-26 00:27:11,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:27:11,332 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:11,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:11,333 INFO L85 PathProgramCache]: Analyzing trace with hash 901579580, now seen corresponding path program 1 times [2022-11-26 00:27:11,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:11,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917901607] [2022-11-26 00:27:11,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:11,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:11,976 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-11-26 00:27:11,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:11,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917901607] [2022-11-26 00:27:11,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917901607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:11,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:11,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:11,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648478658] [2022-11-26 00:27:11,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:11,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:11,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:11,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:11,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:11,979 INFO L87 Difference]: Start difference. First operand 8652 states and 12805 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-26 00:27:14,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:14,933 INFO L93 Difference]: Finished difference Result 20858 states and 30981 transitions. [2022-11-26 00:27:14,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:14,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 263 [2022-11-26 00:27:14,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:15,007 INFO L225 Difference]: With dead ends: 20858 [2022-11-26 00:27:15,007 INFO L226 Difference]: Without dead ends: 12215 [2022-11-26 00:27:15,052 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 00:27:15,054 INFO L413 NwaCegarLoop]: 3254 mSDtfsCounter, 1839 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 4833 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:15,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1839 Valid, 4833 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:27:15,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12215 states. [2022-11-26 00:27:16,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12215 to 12209. [2022-11-26 00:27:16,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12209 states, 6668 states have (on average 1.2907918416316737) internal successors, (8607), 7096 states have internal predecessors, (8607), 4755 states have call successors, (4755), 790 states have call predecessors, (4755), 785 states have return successors, (4770), 4587 states have call predecessors, (4770), 4755 states have call successors, (4770) [2022-11-26 00:27:16,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12209 states to 12209 states and 18132 transitions. [2022-11-26 00:27:16,360 INFO L78 Accepts]: Start accepts. Automaton has 12209 states and 18132 transitions. Word has length 263 [2022-11-26 00:27:16,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:16,362 INFO L495 AbstractCegarLoop]: Abstraction has 12209 states and 18132 transitions. [2022-11-26 00:27:16,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-26 00:27:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 12209 states and 18132 transitions. [2022-11-26 00:27:16,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-11-26 00:27:16,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:16,374 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:27:16,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:27:16,374 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:16,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:16,375 INFO L85 PathProgramCache]: Analyzing trace with hash 846680629, now seen corresponding path program 1 times [2022-11-26 00:27:16,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:16,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95990257] [2022-11-26 00:27:16,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:16,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2022-11-26 00:27:17,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:17,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95990257] [2022-11-26 00:27:17,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95990257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:17,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:17,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:17,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618039703] [2022-11-26 00:27:17,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:17,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:17,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:17,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:17,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:17,053 INFO L87 Difference]: Start difference. First operand 12209 states and 18132 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-26 00:27:19,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:19,145 INFO L93 Difference]: Finished difference Result 26341 states and 39088 transitions. [2022-11-26 00:27:19,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:19,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 305 [2022-11-26 00:27:19,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:19,227 INFO L225 Difference]: With dead ends: 26341 [2022-11-26 00:27:19,227 INFO L226 Difference]: Without dead ends: 14141 [2022-11-26 00:27:19,282 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 00:27:19,282 INFO L413 NwaCegarLoop]: 2870 mSDtfsCounter, 1237 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 4699 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:19,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 4699 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:27:19,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14141 states. [2022-11-26 00:27:20,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14141 to 14135. [2022-11-26 00:27:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14135 states, 7782 states have (on average 1.2907992803906452) internal successors, (10045), 8271 states have internal predecessors, (10045), 5426 states have call successors, (5426), 931 states have call predecessors, (5426), 926 states have return successors, (5441), 5238 states have call predecessors, (5441), 5426 states have call successors, (5441) [2022-11-26 00:27:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14135 states to 14135 states and 20912 transitions. [2022-11-26 00:27:20,400 INFO L78 Accepts]: Start accepts. Automaton has 14135 states and 20912 transitions. Word has length 305 [2022-11-26 00:27:20,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:20,401 INFO L495 AbstractCegarLoop]: Abstraction has 14135 states and 20912 transitions. [2022-11-26 00:27:20,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-26 00:27:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 14135 states and 20912 transitions. [2022-11-26 00:27:20,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-11-26 00:27:20,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:20,416 INFO L195 NwaCegarLoop]: trace histogram [16, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:27:20,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:27:20,416 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:20,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:20,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1387090374, now seen corresponding path program 1 times [2022-11-26 00:27:20,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:20,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764882115] [2022-11-26 00:27:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:20,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-11-26 00:27:20,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:20,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764882115] [2022-11-26 00:27:20,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764882115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:20,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:20,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:27:20,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495861688] [2022-11-26 00:27:20,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:20,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:27:20,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:20,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:27:20,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:20,881 INFO L87 Difference]: Start difference. First operand 14135 states and 20912 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:27:25,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-26 00:27:25,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:25,961 INFO L93 Difference]: Finished difference Result 31038 states and 45900 transitions. [2022-11-26 00:27:25,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:27:25,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) Word has length 342 [2022-11-26 00:27:25,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:26,059 INFO L225 Difference]: With dead ends: 31038 [2022-11-26 00:27:26,060 INFO L226 Difference]: Without dead ends: 16912 [2022-11-26 00:27:26,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:26,123 INFO L413 NwaCegarLoop]: 2958 mSDtfsCounter, 1324 mSDsluCounter, 7737 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 10695 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:26,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 10695 Invalid, 1093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1089 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-26 00:27:26,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16912 states. [2022-11-26 00:27:27,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16912 to 16898. [2022-11-26 00:27:27,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16898 states, 9311 states have (on average 1.2910535925249704) internal successors, (12021), 9894 states have internal predecessors, (12021), 6466 states have call successors, (6466), 1126 states have call predecessors, (6466), 1120 states have return successors, (6485), 6249 states have call predecessors, (6485), 6466 states have call successors, (6485) [2022-11-26 00:27:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16898 states to 16898 states and 24972 transitions. [2022-11-26 00:27:27,641 INFO L78 Accepts]: Start accepts. Automaton has 16898 states and 24972 transitions. Word has length 342 [2022-11-26 00:27:27,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:27,642 INFO L495 AbstractCegarLoop]: Abstraction has 16898 states and 24972 transitions. [2022-11-26 00:27:27,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:27:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 16898 states and 24972 transitions. [2022-11-26 00:27:27,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-11-26 00:27:27,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:27,661 INFO L195 NwaCegarLoop]: trace histogram [16, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:27:27,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:27:27,662 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:27,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:27,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2062208243, now seen corresponding path program 1 times [2022-11-26 00:27:27,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:27,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309024643] [2022-11-26 00:27:27,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:27,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-11-26 00:27:28,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:28,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309024643] [2022-11-26 00:27:28,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309024643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:28,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:28,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:27:28,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175540825] [2022-11-26 00:27:28,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:28,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:27:28,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:28,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:27:28,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:28,152 INFO L87 Difference]: Start difference. First operand 16898 states and 24972 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:27:32,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:32,355 INFO L93 Difference]: Finished difference Result 35703 states and 52716 transitions. [2022-11-26 00:27:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:27:32,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) Word has length 343 [2022-11-26 00:27:32,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:32,458 INFO L225 Difference]: With dead ends: 35703 [2022-11-26 00:27:32,458 INFO L226 Difference]: Without dead ends: 18814 [2022-11-26 00:27:32,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:32,536 INFO L413 NwaCegarLoop]: 2988 mSDtfsCounter, 1221 mSDsluCounter, 7805 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 10793 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:32,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 10793 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-26 00:27:32,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18814 states. [2022-11-26 00:27:33,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18814 to 18800. [2022-11-26 00:27:33,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18800 states, 10393 states have (on average 1.2903877609929761) internal successors, (13411), 11037 states have internal predecessors, (13411), 7137 states have call successors, (7137), 1271 states have call predecessors, (7137), 1269 states have return successors, (7160), 6904 states have call predecessors, (7160), 7137 states have call successors, (7160) [2022-11-26 00:27:33,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18800 states to 18800 states and 27708 transitions. [2022-11-26 00:27:33,924 INFO L78 Accepts]: Start accepts. Automaton has 18800 states and 27708 transitions. Word has length 343 [2022-11-26 00:27:33,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:33,925 INFO L495 AbstractCegarLoop]: Abstraction has 18800 states and 27708 transitions. [2022-11-26 00:27:33,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:27:33,925 INFO L276 IsEmpty]: Start isEmpty. Operand 18800 states and 27708 transitions. [2022-11-26 00:27:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-11-26 00:27:33,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:33,941 INFO L195 NwaCegarLoop]: trace histogram [16, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:27:33,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:27:33,941 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:33,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:33,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1045737649, now seen corresponding path program 1 times [2022-11-26 00:27:33,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:33,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296525473] [2022-11-26 00:27:33,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:33,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:34,360 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-11-26 00:27:34,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:34,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296525473] [2022-11-26 00:27:34,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296525473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:34,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:34,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:27:34,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145852566] [2022-11-26 00:27:34,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:34,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:27:34,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:34,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:27:34,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:34,363 INFO L87 Difference]: Start difference. First operand 18800 states and 27708 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:27:37,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:37,641 INFO L93 Difference]: Finished difference Result 39479 states and 58172 transitions. [2022-11-26 00:27:37,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:27:37,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) Word has length 343 [2022-11-26 00:27:37,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:37,744 INFO L225 Difference]: With dead ends: 39479 [2022-11-26 00:27:37,744 INFO L226 Difference]: Without dead ends: 20688 [2022-11-26 00:27:37,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:37,823 INFO L413 NwaCegarLoop]: 2987 mSDtfsCounter, 1211 mSDsluCounter, 7809 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 10796 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:37,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 10796 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:27:37,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20688 states. [2022-11-26 00:27:39,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20688 to 20674. [2022-11-26 00:27:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20674 states, 11463 states have (on average 1.2901509203524384) internal successors, (14789), 12168 states have internal predecessors, (14789), 7804 states have call successors, (7804), 1408 states have call predecessors, (7804), 1406 states have return successors, (7827), 7551 states have call predecessors, (7827), 7804 states have call successors, (7827) [2022-11-26 00:27:39,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20674 states to 20674 states and 30420 transitions. [2022-11-26 00:27:39,367 INFO L78 Accepts]: Start accepts. Automaton has 20674 states and 30420 transitions. Word has length 343 [2022-11-26 00:27:39,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:39,368 INFO L495 AbstractCegarLoop]: Abstraction has 20674 states and 30420 transitions. [2022-11-26 00:27:39,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 4 states have internal predecessors, (133), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:27:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 20674 states and 30420 transitions. [2022-11-26 00:27:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-11-26 00:27:39,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:39,390 INFO L195 NwaCegarLoop]: trace histogram [17, 14, 14, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:27:39,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:27:39,391 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:39,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:39,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1803754193, now seen corresponding path program 1 times [2022-11-26 00:27:39,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:39,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641783118] [2022-11-26 00:27:39,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:39,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 706 trivial. 0 not checked. [2022-11-26 00:27:39,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:39,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641783118] [2022-11-26 00:27:39,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641783118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:39,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:39,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:39,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780234379] [2022-11-26 00:27:39,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:39,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:39,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:39,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:39,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:39,759 INFO L87 Difference]: Start difference. First operand 20674 states and 30420 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:27:42,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:42,263 INFO L93 Difference]: Finished difference Result 43861 states and 64554 transitions. [2022-11-26 00:27:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:42,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 356 [2022-11-26 00:27:42,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:42,397 INFO L225 Difference]: With dead ends: 43861 [2022-11-26 00:27:42,397 INFO L226 Difference]: Without dead ends: 23196 [2022-11-26 00:27:42,478 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 00:27:42,479 INFO L413 NwaCegarLoop]: 3038 mSDtfsCounter, 1316 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1316 SdHoareTripleChecker+Valid, 4870 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:42,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1316 Valid, 4870 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:27:42,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23196 states. [2022-11-26 00:27:43,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23196 to 23190. [2022-11-26 00:27:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23190 states, 12861 states have (on average 1.2914236840059092) internal successors, (16609), 13659 states have internal predecessors, (16609), 8751 states have call successors, (8751), 1581 states have call predecessors, (8751), 1577 states have return successors, (8774), 8468 states have call predecessors, (8774), 8751 states have call successors, (8774) [2022-11-26 00:27:44,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23190 states to 23190 states and 34134 transitions. [2022-11-26 00:27:44,067 INFO L78 Accepts]: Start accepts. Automaton has 23190 states and 34134 transitions. Word has length 356 [2022-11-26 00:27:44,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:44,068 INFO L495 AbstractCegarLoop]: Abstraction has 23190 states and 34134 transitions. [2022-11-26 00:27:44,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:27:44,068 INFO L276 IsEmpty]: Start isEmpty. Operand 23190 states and 34134 transitions. [2022-11-26 00:27:44,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-11-26 00:27:44,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:44,089 INFO L195 NwaCegarLoop]: trace histogram [17, 14, 14, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-11-26 00:27:44,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:27:44,089 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:44,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:44,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1045733942, now seen corresponding path program 1 times [2022-11-26 00:27:44,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:44,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354928756] [2022-11-26 00:27:44,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:44,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2022-11-26 00:27:44,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:44,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354928756] [2022-11-26 00:27:44,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354928756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:44,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:44,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:44,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267507795] [2022-11-26 00:27:44,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:44,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:44,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:44,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:44,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:44,595 INFO L87 Difference]: Start difference. First operand 23190 states and 34134 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:27:46,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:46,827 INFO L93 Difference]: Finished difference Result 48279 states and 71044 transitions. [2022-11-26 00:27:46,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:46,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 363 [2022-11-26 00:27:46,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:46,918 INFO L225 Difference]: With dead ends: 48279 [2022-11-26 00:27:46,918 INFO L226 Difference]: Without dead ends: 25098 [2022-11-26 00:27:46,985 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 00:27:46,986 INFO L413 NwaCegarLoop]: 2806 mSDtfsCounter, 1222 mSDsluCounter, 1835 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 4641 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:46,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1222 Valid, 4641 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:27:47,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25098 states. [2022-11-26 00:27:48,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25098 to 25092. [2022-11-26 00:27:48,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25092 states, 13951 states have (on average 1.2913052827754283) internal successors, (18015), 14810 states have internal predecessors, (18015), 9422 states have call successors, (9422), 1722 states have call predecessors, (9422), 1718 states have return successors, (9445), 9119 states have call predecessors, (9445), 9422 states have call successors, (9445) [2022-11-26 00:27:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25092 states to 25092 states and 36882 transitions. [2022-11-26 00:27:48,442 INFO L78 Accepts]: Start accepts. Automaton has 25092 states and 36882 transitions. Word has length 363 [2022-11-26 00:27:48,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:48,443 INFO L495 AbstractCegarLoop]: Abstraction has 25092 states and 36882 transitions. [2022-11-26 00:27:48,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-26 00:27:48,443 INFO L276 IsEmpty]: Start isEmpty. Operand 25092 states and 36882 transitions. [2022-11-26 00:27:48,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-11-26 00:27:48,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:48,459 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 15, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:27:48,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:27:48,459 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:48,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:48,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1578979194, now seen corresponding path program 1 times [2022-11-26 00:27:48,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:48,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602751375] [2022-11-26 00:27:48,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:48,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2022-11-26 00:27:48,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:48,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602751375] [2022-11-26 00:27:48,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602751375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:48,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:48,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:27:48,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86997873] [2022-11-26 00:27:48,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:48,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:27:48,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:48,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:27:48,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:27:48,928 INFO L87 Difference]: Start difference. First operand 25092 states and 36882 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-26 00:27:51,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:51,401 INFO L93 Difference]: Finished difference Result 52043 states and 76484 transitions. [2022-11-26 00:27:51,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:27:51,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 373 [2022-11-26 00:27:51,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:51,529 INFO L225 Difference]: With dead ends: 52043 [2022-11-26 00:27:51,529 INFO L226 Difference]: Without dead ends: 26960 [2022-11-26 00:27:51,617 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 00:27:51,617 INFO L413 NwaCegarLoop]: 2986 mSDtfsCounter, 1220 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 4817 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:51,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 4817 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-26 00:27:51,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26960 states. [2022-11-26 00:27:52,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26960 to 26954. [2022-11-26 00:27:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26954 states, 15009 states have (on average 1.2912918915317477) internal successors, (19381), 15929 states have internal predecessors, (19381), 10089 states have call successors, (10089), 1859 states have call predecessors, (10089), 1855 states have return successors, (10112), 9766 states have call predecessors, (10112), 10089 states have call successors, (10112) [2022-11-26 00:27:53,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26954 states to 26954 states and 39582 transitions. [2022-11-26 00:27:53,006 INFO L78 Accepts]: Start accepts. Automaton has 26954 states and 39582 transitions. Word has length 373 [2022-11-26 00:27:53,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:53,007 INFO L495 AbstractCegarLoop]: Abstraction has 26954 states and 39582 transitions. [2022-11-26 00:27:53,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-26 00:27:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 26954 states and 39582 transitions. [2022-11-26 00:27:53,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-11-26 00:27:53,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:53,023 INFO L195 NwaCegarLoop]: trace histogram [19, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-11-26 00:27:53,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:27:53,023 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:53,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:53,024 INFO L85 PathProgramCache]: Analyzing trace with hash -364717524, now seen corresponding path program 1 times [2022-11-26 00:27:53,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:53,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208335344] [2022-11-26 00:27:53,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:53,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 867 trivial. 0 not checked. [2022-11-26 00:27:53,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:53,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208335344] [2022-11-26 00:27:53,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208335344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:53,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:53,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:27:53,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599618273] [2022-11-26 00:27:53,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:53,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:27:53,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:53,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:27:53,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:53,719 INFO L87 Difference]: Start difference. First operand 26954 states and 39582 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-26 00:27:57,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:57,801 INFO L93 Difference]: Finished difference Result 56559 states and 83041 transitions. [2022-11-26 00:27:57,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:27:57,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 391 [2022-11-26 00:27:57,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:57,900 INFO L225 Difference]: With dead ends: 56559 [2022-11-26 00:27:57,900 INFO L226 Difference]: Without dead ends: 29614 [2022-11-26 00:27:57,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:57,964 INFO L413 NwaCegarLoop]: 2850 mSDtfsCounter, 1323 mSDsluCounter, 7521 mSDsCounter, 0 mSdLazyCounter, 1090 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 10371 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:57,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 10371 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1090 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:27:57,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29614 states. [2022-11-26 00:27:59,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29614 to 27754. [2022-11-26 00:27:59,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27754 states, 15434 states have (on average 1.2915640793054295) internal successors, (19934), 16382 states have internal predecessors, (19934), 10401 states have call successors, (10401), 1918 states have call predecessors, (10401), 1918 states have return successors, (10428), 10074 states have call predecessors, (10428), 10401 states have call successors, (10428) [2022-11-26 00:27:59,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27754 states to 27754 states and 40763 transitions. [2022-11-26 00:27:59,255 INFO L78 Accepts]: Start accepts. Automaton has 27754 states and 40763 transitions. Word has length 391 [2022-11-26 00:27:59,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:59,256 INFO L495 AbstractCegarLoop]: Abstraction has 27754 states and 40763 transitions. [2022-11-26 00:27:59,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-26 00:27:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 27754 states and 40763 transitions. [2022-11-26 00:27:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-11-26 00:27:59,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:27:59,271 INFO L195 NwaCegarLoop]: trace histogram [19, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:27:59,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:27:59,271 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:27:59,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:27:59,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1452861245, now seen corresponding path program 1 times [2022-11-26 00:27:59,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:27:59,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221673818] [2022-11-26 00:27:59,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:27:59,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:27:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:27:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2022-11-26 00:27:59,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:27:59,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221673818] [2022-11-26 00:27:59,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221673818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:59,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:27:59,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:27:59,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510625658] [2022-11-26 00:27:59,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:59,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:27:59,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:59,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:27:59,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:27:59,714 INFO L87 Difference]: Start difference. First operand 27754 states and 40763 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-26 00:28:03,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:28:03,954 INFO L93 Difference]: Finished difference Result 57419 states and 84298 transitions. [2022-11-26 00:28:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:28:03,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 392 [2022-11-26 00:28:03,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:28:04,079 INFO L225 Difference]: With dead ends: 57419 [2022-11-26 00:28:04,080 INFO L226 Difference]: Without dead ends: 29674 [2022-11-26 00:28:04,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:28:04,171 INFO L413 NwaCegarLoop]: 2988 mSDtfsCounter, 1220 mSDsluCounter, 7805 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 10793 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:28:04,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 10793 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:28:04,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29674 states. [2022-11-26 00:28:05,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29674 to 27794. [2022-11-26 00:28:05,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27794 states, 15458 states have (on average 1.2911113986285419) internal successors, (19958), 16406 states have internal predecessors, (19958), 10405 states have call successors, (10405), 1926 states have call predecessors, (10405), 1930 states have return successors, (10436), 10082 states have call predecessors, (10436), 10405 states have call successors, (10436) [2022-11-26 00:28:05,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27794 states to 27794 states and 40799 transitions. [2022-11-26 00:28:05,652 INFO L78 Accepts]: Start accepts. Automaton has 27794 states and 40799 transitions. Word has length 392 [2022-11-26 00:28:05,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:28:05,653 INFO L495 AbstractCegarLoop]: Abstraction has 27794 states and 40799 transitions. [2022-11-26 00:28:05,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-26 00:28:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 27794 states and 40799 transitions. [2022-11-26 00:28:05,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-11-26 00:28:05,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:28:05,671 INFO L195 NwaCegarLoop]: trace histogram [19, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:05,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:28:05,672 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:28:05,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:28:05,673 INFO L85 PathProgramCache]: Analyzing trace with hash -734135643, now seen corresponding path program 1 times [2022-11-26 00:28:05,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:28:05,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719062137] [2022-11-26 00:28:05,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:28:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:28:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:28:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 970 backedges. 127 proven. 26 refuted. 0 times theorem prover too weak. 817 trivial. 0 not checked. [2022-11-26 00:28:06,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:28:06,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719062137] [2022-11-26 00:28:06,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719062137] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:28:06,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355286311] [2022-11-26 00:28:06,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:28:06,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:28:06,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:28:06,650 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:28:06,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:28:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:28:07,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 3364 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:28:07,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:28:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 970 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2022-11-26 00:28:08,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:28:08,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355286311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:28:08,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:28:08,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-11-26 00:28:08,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038843015] [2022-11-26 00:28:08,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:28:08,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:28:08,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:28:08,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:28:08,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:28:08,027 INFO L87 Difference]: Start difference. First operand 27794 states and 40799 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-26 00:28:12,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:28:12,198 INFO L93 Difference]: Finished difference Result 57487 states and 84390 transitions. [2022-11-26 00:28:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:28:12,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 393 [2022-11-26 00:28:12,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:28:12,326 INFO L225 Difference]: With dead ends: 57487 [2022-11-26 00:28:12,326 INFO L226 Difference]: Without dead ends: 29702 [2022-11-26 00:28:12,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:28:12,553 INFO L413 NwaCegarLoop]: 3094 mSDtfsCounter, 1866 mSDsluCounter, 7740 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 10834 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:28:12,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 10834 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:28:12,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29702 states. [2022-11-26 00:28:13,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29702 to 29688. [2022-11-26 00:28:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29688 states, 16548 states have (on average 1.2919990331157845) internal successors, (21380), 17557 states have internal predecessors, (21380), 11072 states have call successors, (11072), 2063 states have call predecessors, (11072), 2067 states have return successors, (11103), 10729 states have call predecessors, (11103), 11072 states have call successors, (11103) [2022-11-26 00:28:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29688 states to 29688 states and 43555 transitions. [2022-11-26 00:28:13,937 INFO L78 Accepts]: Start accepts. Automaton has 29688 states and 43555 transitions. Word has length 393 [2022-11-26 00:28:13,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:28:13,938 INFO L495 AbstractCegarLoop]: Abstraction has 29688 states and 43555 transitions. [2022-11-26 00:28:13,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-26 00:28:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 29688 states and 43555 transitions. [2022-11-26 00:28:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-11-26 00:28:13,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:28:13,951 INFO L195 NwaCegarLoop]: trace histogram [18, 16, 16, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-11-26 00:28:13,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:28:14,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c27177ef-bf4f-4fd3-932b-78bb4ae3571b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-26 00:28:14,152 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:28:14,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:28:14,153 INFO L85 PathProgramCache]: Analyzing trace with hash 285491370, now seen corresponding path program 1 times [2022-11-26 00:28:14,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:28:14,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067968760] [2022-11-26 00:28:14,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:28:14,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:28:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:28:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2022-11-26 00:28:14,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:28:14,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067968760] [2022-11-26 00:28:14,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067968760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:28:14,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:28:14,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:28:14,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596770997] [2022-11-26 00:28:14,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:28:14,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:28:14,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:28:14,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:28:14,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:28:14,583 INFO L87 Difference]: Start difference. First operand 29688 states and 43555 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-26 00:28:17,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:28:17,570 INFO L93 Difference]: Finished difference Result 62998 states and 92575 transitions. [2022-11-26 00:28:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:28:17,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 403 [2022-11-26 00:28:17,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:28:17,682 INFO L225 Difference]: With dead ends: 62998 [2022-11-26 00:28:17,682 INFO L226 Difference]: Without dead ends: 33319 [2022-11-26 00:28:17,770 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 00:28:17,771 INFO L413 NwaCegarLoop]: 2943 mSDtfsCounter, 1558 mSDsluCounter, 1833 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 4776 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:28:17,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 4776 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:28:17,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33319 states. [2022-11-26 00:28:19,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33319 to 33313. [2022-11-26 00:28:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33313 states, 18453 states have (on average 1.29155150923969) internal successors, (23833), 19602 states have internal predecessors, (23833), 12569 states have call successors, (12569), 2288 states have call predecessors, (12569), 2290 states have return successors, (12602), 12168 states have call predecessors, (12602), 12569 states have call successors, (12602) [2022-11-26 00:28:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33313 states to 33313 states and 49004 transitions. [2022-11-26 00:28:19,402 INFO L78 Accepts]: Start accepts. Automaton has 33313 states and 49004 transitions. Word has length 403 [2022-11-26 00:28:19,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:28:19,403 INFO L495 AbstractCegarLoop]: Abstraction has 33313 states and 49004 transitions. [2022-11-26 00:28:19,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-26 00:28:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 33313 states and 49004 transitions. [2022-11-26 00:28:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-11-26 00:28:19,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:28:19,413 INFO L195 NwaCegarLoop]: trace histogram [18, 16, 16, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-11-26 00:28:19,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:28:19,413 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:28:19,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:28:19,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1432055748, now seen corresponding path program 1 times [2022-11-26 00:28:19,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:28:19,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015549524] [2022-11-26 00:28:19,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:28:19,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:28:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:28:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-11-26 00:28:20,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:28:20,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015549524] [2022-11-26 00:28:20,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015549524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:28:20,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:28:20,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:28:20,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964278780] [2022-11-26 00:28:20,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:28:20,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:28:20,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:28:20,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:28:20,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:28:20,777 INFO L87 Difference]: Start difference. First operand 33313 states and 49004 transitions. Second operand has 5 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-26 00:28:24,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:28:24,296 INFO L93 Difference]: Finished difference Result 66363 states and 98238 transitions. [2022-11-26 00:28:24,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:28:24,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 404 [2022-11-26 00:28:24,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:28:24,300 INFO L225 Difference]: With dead ends: 66363 [2022-11-26 00:28:24,300 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:28:24,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:28:24,461 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 6 mSDsluCounter, 5570 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 7429 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:28:24,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 7429 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:28:24,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:28:24,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:28:24,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:28:24,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:28:24,644 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 404 [2022-11-26 00:28:24,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:28:24,644 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:28:24,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-26 00:28:24,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:28:24,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:28:24,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:28:24,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:28:24,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.