./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-wan-lmc-lmc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 04:57:54,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:57:54,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:57:54,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:57:54,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:57:54,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:57:54,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:57:54,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:57:54,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:57:54,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:57:54,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:57:54,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:57:54,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:57:54,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:57:54,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:57:54,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:57:54,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:57:54,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:57:54,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:57:54,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:57:54,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:57:54,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:57:54,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:57:54,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:57:54,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:57:54,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:57:54,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:57:54,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:57:54,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:57:54,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:57:54,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:57:54,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:57:54,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:57:54,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:57:54,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:57:54,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:57:54,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:57:54,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:57:54,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:57:54,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:57:54,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:57:54,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 04:57:54,463 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:57:54,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:57:54,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:57:54,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:57:54,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:57:54,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:57:54,469 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:57:54,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:57:54,470 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:57:54,470 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:57:54,470 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:57:54,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:57:54,470 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:57:54,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:57:54,471 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:57:54,471 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:57:54,471 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:57:54,471 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:57:54,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:57:54,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:57:54,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:57:54,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:57:54,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:57:54,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:57:54,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:57:54,473 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:57:54,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:57:54,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:57:54,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:57:54,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:57:54,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:57:54,474 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:57:54,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:57:54,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:57:54,474 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:57:54,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:57:54,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:57:54,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:57:54,475 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_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 [2022-12-14 04:57:54,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:57:54,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:57:54,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:57:54,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:57:54,650 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:57:54,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-12-14 04:57:57,292 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:57:57,639 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:57:57,639 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-12-14 04:57:57,671 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/data/e03680dbc/c36b0c76bab942c892532683f0a43d29/FLAGbf022bb16 [2022-12-14 04:57:57,682 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/data/e03680dbc/c36b0c76bab942c892532683f0a43d29 [2022-12-14 04:57:57,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:57:57,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:57:57,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:57:57,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:57:57,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:57:57,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:57:57" (1/1) ... [2022-12-14 04:57:57,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ee5dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:57, skipping insertion in model container [2022-12-14 04:57:57,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:57:57" (1/1) ... [2022-12-14 04:57:57,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:57:57,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:57:58,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,599 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,600 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,621 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,653 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,653 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,654 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:58,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,088 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 04:57:59,096 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 04:57:59,104 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 04:57:59,128 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 04:57:59,170 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 04:57:59,170 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 04:57:59,171 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 04:57:59,171 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 04:57:59,175 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 04:57:59,175 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 04:57:59,176 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 04:57:59,176 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 04:57:59,253 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 04:57:59,254 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 04:57:59,262 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:57:59,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,273 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 04:57:59,331 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 04:57:59,428 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:57:59,430 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:57:59,435 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:57:59,436 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:57:59,437 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:57:59,438 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,438 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,439 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:57:59,440 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:57:59,441 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:57:59,441 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:57:59,442 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:57:59,442 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:57:59,443 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:57:59,445 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:59,445 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,446 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:57:59,447 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,448 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,449 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:57:59,449 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:57:59,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,451 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:59,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,456 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 04:57:59,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,457 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 04:57:59,458 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 04:57:59,467 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 04:57:59,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,468 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 04:57:59,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,470 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-14 04:57:59,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,472 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 04:57:59,472 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 04:57:59,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,477 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,478 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:57:59,478 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 04:57:59,478 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 04:57:59,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,483 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 04:57:59,483 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 04:57:59,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,487 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 04:57:59,487 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 04:57:59,492 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 04:57:59,493 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 04:57:59,497 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,499 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,499 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,499 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,499 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,506 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,508 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 04:57:59,509 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 04:57:59,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,530 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 04:57:59,535 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:57:59,537 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:57:59,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,540 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-14 04:57:59,773 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-12-14 04:57:59,774 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-14 04:57:59,784 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 04:57:59,786 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 04:57:59,786 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 04:57:59,792 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 04:57:59,793 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 04:57:59,804 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 04:57:59,804 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 04:57:59,805 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:57:59,806 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,806 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,806 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,806 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,807 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,807 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,807 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,807 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,807 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,808 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,808 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,808 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 04:57:59,808 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 04:57:59,809 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-14 04:57:59,809 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 04:57:59,810 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 04:57:59,810 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 04:57:59,810 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,811 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,811 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 04:57:59,811 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 04:57:59,811 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:57:59,831 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 04:57:59,831 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-14 04:57:59,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,832 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-14 04:57:59,833 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:57:59,834 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 04:57:59,881 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:57:59,889 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:59,941 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:59,945 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:59,949 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:59,954 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:59,969 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:59,973 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:59,976 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:59,980 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:59,984 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:57:59,999 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,003 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,007 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,011 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,016 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,032 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,040 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,044 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,048 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,064 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,067 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,071 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,074 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,077 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,091 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,091 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,091 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,095 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,099 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,111 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,115 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,118 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,121 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,125 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,137 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,140 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,144 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,147 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,150 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,163 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,166 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,170 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,173 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,177 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,190 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,194 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,198 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,202 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,206 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,221 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,225 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,229 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,233 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,237 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,252 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,257 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,261 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,265 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,269 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,285 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,289 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,293 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,297 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,301 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,316 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,317 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,317 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,317 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,317 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,317 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,318 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,318 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,318 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,318 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,318 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,319 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,319 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,319 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,339 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_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2022-12-14 04:58:00,342 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_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2022-12-14 04:58:00,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:58:00,372 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:58:00,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,468 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,468 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,785 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 04:58:00,785 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 04:58:00,785 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 04:58:00,786 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 04:58:00,787 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 04:58:00,787 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 04:58:00,787 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 04:58:00,787 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 04:58:00,788 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 04:58:00,788 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 04:58:00,788 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 04:58:00,788 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 04:58:00,795 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 04:58:00,795 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 04:58:00,796 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:58:00,796 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,796 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 04:58:00,797 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 04:58:00,801 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:58:00,802 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:58:00,806 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:58:00,806 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:58:00,807 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:58:00,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,809 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 04:58:00,810 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:58:00,810 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:58:00,811 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:58:00,811 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:58:00,811 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:58:00,812 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:58:00,813 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:58:00,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,814 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:58:00,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,816 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,816 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:58:00,816 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:58:00,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,818 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:58:00,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,822 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 04:58:00,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,822 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 04:58:00,823 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 04:58:00,825 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 04:58:00,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,825 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 04:58:00,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,826 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-14 04:58:00,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,829 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 04:58:00,830 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 04:58:00,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,833 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,834 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:58:00,834 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 04:58:00,834 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 04:58:00,835 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,835 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 04:58:00,835 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 04:58:00,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,838 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 04:58:00,838 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 04:58:00,842 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 04:58:00,843 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 04:58:00,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,856 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 04:58:00,861 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 04:58:00,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,883 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 04:58:00,904 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:58:00,906 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:58:00,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,912 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-14 04:58:00,922 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-12-14 04:58:00,922 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-14 04:58:00,924 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 04:58:00,925 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 04:58:00,926 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 04:58:00,930 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 04:58:00,930 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 04:58:00,938 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 04:58:00,938 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 04:58:00,938 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:58:00,939 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,939 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,939 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,939 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,940 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,940 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,940 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,940 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,940 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,940 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,941 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,941 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 04:58:00,941 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 04:58:00,941 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-14 04:58:00,941 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 04:58:00,942 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 04:58:00,942 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 04:58:00,943 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,943 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,943 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 04:58:00,943 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 04:58:00,944 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 04:58:00,949 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 04:58:00,951 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-14 04:58:00,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,954 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-14 04:58:00,957 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:58:00,960 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 04:58:00,963 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:58:00,963 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,966 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,966 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,966 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,967 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,967 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,968 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,968 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,968 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,968 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,969 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,969 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,970 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,970 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,970 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,971 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,971 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,971 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,972 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,972 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,972 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,973 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,973 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,973 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,974 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,974 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,975 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,975 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,975 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,975 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,976 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,976 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,976 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,977 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,977 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,978 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,978 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,978 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,978 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,979 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,979 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,980 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,980 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,980 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,980 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,981 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,981 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,981 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,982 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,982 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,982 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,983 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,983 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,983 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,984 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,984 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,984 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,985 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,985 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,985 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,986 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,986 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,986 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,986 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,987 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,987 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,987 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,988 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,988 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,988 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,988 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,988 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,988 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,989 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,989 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,989 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,989 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,989 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,989 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:58:00,990 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_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2022-12-14 04:58:00,991 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_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2022-12-14 04:58:00,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:58:01,142 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:58:01,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01 WrapperNode [2022-12-14 04:58:01,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:58:01,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:58:01,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:58:01,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:58:01,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (1/1) ... [2022-12-14 04:58:01,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (1/1) ... [2022-12-14 04:58:01,300 INFO L138 Inliner]: procedures = 493, calls = 2689, calls flagged for inlining = 240, calls inlined = 225, statements flattened = 5150 [2022-12-14 04:58:01,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:58:01,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:58:01,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:58:01,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:58:01,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (1/1) ... [2022-12-14 04:58:01,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (1/1) ... [2022-12-14 04:58:01,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (1/1) ... [2022-12-14 04:58:01,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (1/1) ... [2022-12-14 04:58:01,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (1/1) ... [2022-12-14 04:58:01,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (1/1) ... [2022-12-14 04:58:01,425 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (1/1) ... [2022-12-14 04:58:01,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (1/1) ... [2022-12-14 04:58:01,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:58:01,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:58:01,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:58:01,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:58:01,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (1/1) ... [2022-12-14 04:58:01,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:58:01,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:58:01,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:58:01,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fcd52d-bd45-4d6f-adbc-1bd2d1c277ee/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:58:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2022-12-14 04:58:01,508 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 04:58:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2022-12-14 04:58:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 04:58:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2022-12-14 04:58:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2022-12-14 04:58:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 04:58:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-12-14 04:58:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 04:58:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2022-12-14 04:58:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2022-12-14 04:58:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2022-12-14 04:58:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2022-12-14 04:58:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2022-12-14 04:58:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2022-12-14 04:58:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2022-12-14 04:58:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2022-12-14 04:58:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-14 04:58:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-14 04:58:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2022-12-14 04:58:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2022-12-14 04:58:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2022-12-14 04:58:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2022-12-14 04:58:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2022-12-14 04:58:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2022-12-14 04:58:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2022-12-14 04:58:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2022-12-14 04:58:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2022-12-14 04:58:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2022-12-14 04:58:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 04:58:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 04:58:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2022-12-14 04:58:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2022-12-14 04:58:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 04:58:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 04:58:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 04:58:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2022-12-14 04:58:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2022-12-14 04:58:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 04:58:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 04:58:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 04:58:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2022-12-14 04:58:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2022-12-14 04:58:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 04:58:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-12-14 04:58:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-12-14 04:58:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 04:58:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 04:58:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 04:58:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 04:58:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2022-12-14 04:58:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2022-12-14 04:58:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 04:58:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 04:58:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 04:58:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 04:58:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 04:58:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 04:58:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2022-12-14 04:58:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2022-12-14 04:58:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 04:58:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 04:58:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2022-12-14 04:58:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2022-12-14 04:58:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-12-14 04:58:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2022-12-14 04:58:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 04:58:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 04:58:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 04:58:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 04:58:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 04:58:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-12-14 04:58:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-12-14 04:58:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:58:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2022-12-14 04:58:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2022-12-14 04:58:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 04:58:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 04:58:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-14 04:58:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-14 04:58:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 04:58:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 04:58:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-12-14 04:58:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-12-14 04:58:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-12-14 04:58:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-12-14 04:58:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2022-12-14 04:58:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2022-12-14 04:58:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 04:58:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 04:58:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2022-12-14 04:58:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2022-12-14 04:58:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 04:58:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 04:58:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2022-12-14 04:58:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2022-12-14 04:58:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2022-12-14 04:58:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2022-12-14 04:58:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-14 04:58:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:58:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2022-12-14 04:58:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 04:58:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-12-14 04:58:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 04:58:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 04:58:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2022-12-14 04:58:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-12-14 04:58:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-14 04:58:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2022-12-14 04:58:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 04:58:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2022-12-14 04:58:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2022-12-14 04:58:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 04:58:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2022-12-14 04:58:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2022-12-14 04:58:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 04:58:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-12-14 04:58:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2022-12-14 04:58:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2022-12-14 04:58:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2022-12-14 04:58:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2022-12-14 04:58:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2022-12-14 04:58:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2022-12-14 04:58:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 04:58:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2022-12-14 04:58:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2022-12-14 04:58:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 04:58:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2022-12-14 04:58:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2022-12-14 04:58:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-12-14 04:58:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 04:58:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-12-14 04:58:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-12-14 04:58:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 04:58:01,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 04:58:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-12-14 04:58:01,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-12-14 04:58:02,144 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:58:02,147 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:58:02,460 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 04:58:03,715 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1252#1.base, #t~mem1252#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2022-12-14 04:58:03,715 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895: SUMMARY for call lmc_trace(#t~mem1252#1.base, #t~mem1252#1.offset, 129, 0); srcloc: null [2022-12-14 04:58:03,715 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895-1: havoc #t~mem1252#1.base, #t~mem1252#1.offset; [2022-12-14 04:58:06,627 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 04:58:06,733 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:58:07,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:58:07,892 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 04:58:07,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:58:07 BoogieIcfgContainer [2022-12-14 04:58:07,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:58:07,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:58:07,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:58:07,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:58:07,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:57:57" (1/3) ... [2022-12-14 04:58:07,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce9babe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:58:07, skipping insertion in model container [2022-12-14 04:58:07,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:58:01" (2/3) ... [2022-12-14 04:58:07,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce9babe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:58:07, skipping insertion in model container [2022-12-14 04:58:07,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:58:07" (3/3) ... [2022-12-14 04:58:07,902 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-12-14 04:58:07,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:58:07,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 04:58:07,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:58:07,989 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;@24b607ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:58:07,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 04:58:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 2010 states, 1113 states have (on average 1.311769991015274) internal successors, (1460), 1181 states have internal predecessors, (1460), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) [2022-12-14 04:58:08,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-14 04:58:08,033 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:08,034 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:58:08,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:58:08,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:08,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1374573665, now seen corresponding path program 1 times [2022-12-14 04:58:08,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:58:08,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333307963] [2022-12-14 04:58:08,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:08,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:58:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2022-12-14 04:58:08,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:58:08,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333307963] [2022-12-14 04:58:08,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333307963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:08,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:08,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:58:08,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157278893] [2022-12-14 04:58:08,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:08,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:58:08,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:58:08,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:58:08,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:58:08,700 INFO L87 Difference]: Start difference. First operand has 2010 states, 1113 states have (on average 1.311769991015274) internal successors, (1460), 1181 states have internal predecessors, (1460), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 04:58:11,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:11,069 INFO L93 Difference]: Finished difference Result 5785 states and 8722 transitions. [2022-12-14 04:58:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:58:11,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 189 [2022-12-14 04:58:11,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:11,105 INFO L225 Difference]: With dead ends: 5785 [2022-12-14 04:58:11,105 INFO L226 Difference]: Without dead ends: 3746 [2022-12-14 04:58:11,120 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 [2022-12-14 04:58:11,122 INFO L413 NwaCegarLoop]: 3409 mSDtfsCounter, 2683 mSDsluCounter, 2606 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2683 SdHoareTripleChecker+Valid, 6015 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:11,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2683 Valid, 6015 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 04:58:11,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2022-12-14 04:58:11,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3743. [2022-12-14 04:58:11,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 2102 states have (on average 1.30732635585157) internal successors, (2748), 2233 states have internal predecessors, (2748), 1413 states have call successors, (1413), 227 states have call predecessors, (1413), 227 states have return successors, (1413), 1327 states have call predecessors, (1413), 1413 states have call successors, (1413) [2022-12-14 04:58:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5574 transitions. [2022-12-14 04:58:11,355 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5574 transitions. Word has length 189 [2022-12-14 04:58:11,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:11,356 INFO L495 AbstractCegarLoop]: Abstraction has 3743 states and 5574 transitions. [2022-12-14 04:58:11,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-14 04:58:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5574 transitions. [2022-12-14 04:58:11,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-12-14 04:58:11,371 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:11,371 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:58:11,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:58:11,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:58:11,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:11,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1701785027, now seen corresponding path program 1 times [2022-12-14 04:58:11,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:58:11,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885738065] [2022-12-14 04:58:11,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:11,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:58:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2022-12-14 04:58:11,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:58:11,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885738065] [2022-12-14 04:58:11,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885738065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:11,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:11,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:58:11,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897000032] [2022-12-14 04:58:11,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:11,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:58:11,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:58:11,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:58:11,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:58:11,576 INFO L87 Difference]: Start difference. First operand 3743 states and 5574 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 04:58:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:14,130 INFO L93 Difference]: Finished difference Result 10501 states and 15613 transitions. [2022-12-14 04:58:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:58:14,131 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 238 [2022-12-14 04:58:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:14,169 INFO L225 Difference]: With dead ends: 10501 [2022-12-14 04:58:14,169 INFO L226 Difference]: Without dead ends: 6789 [2022-12-14 04:58:14,190 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 [2022-12-14 04:58:14,191 INFO L413 NwaCegarLoop]: 3219 mSDtfsCounter, 2384 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2384 SdHoareTripleChecker+Valid, 5777 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:14,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2384 Valid, 5777 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 04:58:14,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6789 states. [2022-12-14 04:58:14,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6789 to 6780. [2022-12-14 04:58:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6780 states, 3823 states have (on average 1.3055192257389485) internal successors, (4991), 4069 states have internal predecessors, (4991), 2520 states have call successors, (2520), 436 states have call predecessors, (2520), 436 states have return successors, (2556), 2349 states have call predecessors, (2556), 2520 states have call successors, (2556) [2022-12-14 04:58:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6780 states to 6780 states and 10067 transitions. [2022-12-14 04:58:14,454 INFO L78 Accepts]: Start accepts. Automaton has 6780 states and 10067 transitions. Word has length 238 [2022-12-14 04:58:14,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:14,454 INFO L495 AbstractCegarLoop]: Abstraction has 6780 states and 10067 transitions. [2022-12-14 04:58:14,454 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, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-12-14 04:58:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 6780 states and 10067 transitions. [2022-12-14 04:58:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-12-14 04:58:14,464 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:14,465 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 5, 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] [2022-12-14 04:58:14,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 04:58:14,465 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:58:14,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:14,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1925037758, now seen corresponding path program 1 times [2022-12-14 04:58:14,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:58:14,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156943126] [2022-12-14 04:58:14,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:14,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:58:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 896 trivial. 0 not checked. [2022-12-14 04:58:14,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:58:14,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156943126] [2022-12-14 04:58:14,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156943126] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:14,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:14,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:58:14,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683451619] [2022-12-14 04:58:14,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:14,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:58:14,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:58:14,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:58:14,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:58:14,730 INFO L87 Difference]: Start difference. First operand 6780 states and 10067 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-14 04:58:17,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:17,079 INFO L93 Difference]: Finished difference Result 19762 states and 29366 transitions. [2022-12-14 04:58:17,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:58:17,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 248 [2022-12-14 04:58:17,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:17,152 INFO L225 Difference]: With dead ends: 19762 [2022-12-14 04:58:17,152 INFO L226 Difference]: Without dead ends: 13013 [2022-12-14 04:58:17,181 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 [2022-12-14 04:58:17,182 INFO L413 NwaCegarLoop]: 3310 mSDtfsCounter, 2690 mSDsluCounter, 2585 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2690 SdHoareTripleChecker+Valid, 5895 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:17,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2690 Valid, 5895 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 04:58:17,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13013 states. [2022-12-14 04:58:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13013 to 13003. [2022-12-14 04:58:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13003 states, 7297 states have (on average 1.3031382760038372) internal successors, (9509), 7781 states have internal predecessors, (9509), 4853 states have call successors, (4853), 852 states have call predecessors, (4853), 852 states have return successors, (4962), 4503 states have call predecessors, (4962), 4853 states have call successors, (4962) [2022-12-14 04:58:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13003 states to 13003 states and 19324 transitions. [2022-12-14 04:58:17,818 INFO L78 Accepts]: Start accepts. Automaton has 13003 states and 19324 transitions. Word has length 248 [2022-12-14 04:58:17,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:17,819 INFO L495 AbstractCegarLoop]: Abstraction has 13003 states and 19324 transitions. [2022-12-14 04:58:17,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-14 04:58:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 13003 states and 19324 transitions. [2022-12-14 04:58:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-12-14 04:58:17,837 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:17,837 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 5, 5, 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] [2022-12-14 04:58:17,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 04:58:17,837 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:58:17,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:17,838 INFO L85 PathProgramCache]: Analyzing trace with hash -2051867846, now seen corresponding path program 1 times [2022-12-14 04:58:17,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:58:17,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321418501] [2022-12-14 04:58:17,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:17,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:58:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2022-12-14 04:58:18,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:58:18,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321418501] [2022-12-14 04:58:18,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321418501] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:18,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:18,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:58:18,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110774541] [2022-12-14 04:58:18,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:18,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:58:18,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:58:18,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:58:18,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:58:18,084 INFO L87 Difference]: Start difference. First operand 13003 states and 19324 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 04:58:22,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:22,384 INFO L93 Difference]: Finished difference Result 32121 states and 47771 transitions. [2022-12-14 04:58:22,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:58:22,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 238 [2022-12-14 04:58:22,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:22,485 INFO L225 Difference]: With dead ends: 32121 [2022-12-14 04:58:22,485 INFO L226 Difference]: Without dead ends: 19149 [2022-12-14 04:58:22,561 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 [2022-12-14 04:58:22,562 INFO L413 NwaCegarLoop]: 4897 mSDtfsCounter, 2630 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 7433 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:22,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 7433 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 04:58:22,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19149 states. [2022-12-14 04:58:23,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19149 to 19143. [2022-12-14 04:58:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19143 states, 10753 states have (on average 1.3029852134288105) internal successors, (14011), 11473 states have internal predecessors, (14011), 7133 states have call successors, (7133), 1256 states have call predecessors, (7133), 1256 states have return successors, (7284), 6609 states have call predecessors, (7284), 7133 states have call successors, (7284) [2022-12-14 04:58:23,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19143 states to 19143 states and 28428 transitions. [2022-12-14 04:58:23,483 INFO L78 Accepts]: Start accepts. Automaton has 19143 states and 28428 transitions. Word has length 238 [2022-12-14 04:58:23,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:23,484 INFO L495 AbstractCegarLoop]: Abstraction has 19143 states and 28428 transitions. [2022-12-14 04:58:23,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 04:58:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 19143 states and 28428 transitions. [2022-12-14 04:58:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-12-14 04:58:23,501 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:23,501 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:58:23,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 04:58:23,501 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:58:23,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:23,502 INFO L85 PathProgramCache]: Analyzing trace with hash 933677865, now seen corresponding path program 1 times [2022-12-14 04:58:23,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:58:23,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219256860] [2022-12-14 04:58:23,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:23,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:58:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1016 trivial. 0 not checked. [2022-12-14 04:58:23,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:58:23,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219256860] [2022-12-14 04:58:23,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219256860] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:23,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:23,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:58:23,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973077270] [2022-12-14 04:58:23,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:23,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:58:23,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:58:23,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:58:23,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:58:23,802 INFO L87 Difference]: Start difference. First operand 19143 states and 28428 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 04:58:28,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:58:28,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:28,754 INFO L93 Difference]: Finished difference Result 56423 states and 83743 transitions. [2022-12-14 04:58:28,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:58:28,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 328 [2022-12-14 04:58:28,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:28,941 INFO L225 Difference]: With dead ends: 56423 [2022-12-14 04:58:28,941 INFO L226 Difference]: Without dead ends: 37311 [2022-12-14 04:58:29,005 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 [2022-12-14 04:58:29,006 INFO L413 NwaCegarLoop]: 3525 mSDtfsCounter, 2843 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2843 SdHoareTripleChecker+Valid, 6056 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:29,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2843 Valid, 6056 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 725 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-12-14 04:58:29,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37311 states. [2022-12-14 04:58:30,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37311 to 37253. [2022-12-14 04:58:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37253 states, 20921 states have (on average 1.3041919602313465) internal successors, (27285), 22357 states have internal predecessors, (27285), 13855 states have call successors, (13855), 2476 states have call predecessors, (13855), 2476 states have return successors, (14152), 12799 states have call predecessors, (14152), 13855 states have call successors, (14152) [2022-12-14 04:58:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37253 states to 37253 states and 55292 transitions. [2022-12-14 04:58:30,520 INFO L78 Accepts]: Start accepts. Automaton has 37253 states and 55292 transitions. Word has length 328 [2022-12-14 04:58:30,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:30,521 INFO L495 AbstractCegarLoop]: Abstraction has 37253 states and 55292 transitions. [2022-12-14 04:58:30,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 04:58:30,521 INFO L276 IsEmpty]: Start isEmpty. Operand 37253 states and 55292 transitions. [2022-12-14 04:58:30,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-12-14 04:58:30,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:30,547 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 15, 15, 15, 15, 15, 12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:58:30,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 04:58:30,547 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:58:30,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:30,548 INFO L85 PathProgramCache]: Analyzing trace with hash 2128311358, now seen corresponding path program 1 times [2022-12-14 04:58:30,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:58:30,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125378889] [2022-12-14 04:58:30,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:30,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:58:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:30,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-12-14 04:58:30,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:58:30,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125378889] [2022-12-14 04:58:30,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125378889] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:30,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:30,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:58:30,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544627442] [2022-12-14 04:58:30,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:30,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:58:30,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:58:30,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:58:30,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:58:30,804 INFO L87 Difference]: Start difference. First operand 37253 states and 55292 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, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 04:58:34,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:34,740 INFO L93 Difference]: Finished difference Result 111661 states and 165724 transitions. [2022-12-14 04:58:34,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:58:34,741 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, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 350 [2022-12-14 04:58:34,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:35,099 INFO L225 Difference]: With dead ends: 111661 [2022-12-14 04:58:35,100 INFO L226 Difference]: Without dead ends: 74439 [2022-12-14 04:58:35,270 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 [2022-12-14 04:58:35,271 INFO L413 NwaCegarLoop]: 3746 mSDtfsCounter, 2870 mSDsluCounter, 2583 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2870 SdHoareTripleChecker+Valid, 6329 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:35,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2870 Valid, 6329 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 04:58:35,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74439 states. [2022-12-14 04:58:38,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74439 to 74389. [2022-12-14 04:58:38,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74389 states, 41765 states have (on average 1.30360349575003) internal successors, (54445), 44673 states have internal predecessors, (54445), 27671 states have call successors, (27671), 4952 states have call predecessors, (27671), 4952 states have return successors, (28265), 25523 states have call predecessors, (28265), 27671 states have call successors, (28265) [2022-12-14 04:58:38,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74389 states to 74389 states and 110381 transitions. [2022-12-14 04:58:38,695 INFO L78 Accepts]: Start accepts. Automaton has 74389 states and 110381 transitions. Word has length 350 [2022-12-14 04:58:38,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:58:38,695 INFO L495 AbstractCegarLoop]: Abstraction has 74389 states and 110381 transitions. [2022-12-14 04:58:38,695 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, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 04:58:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 74389 states and 110381 transitions. [2022-12-14 04:58:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-12-14 04:58:38,747 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:58:38,747 INFO L195 NwaCegarLoop]: trace histogram [21, 15, 15, 15, 15, 15, 15, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:58:38,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 04:58:38,748 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:58:38,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:58:38,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1654842014, now seen corresponding path program 1 times [2022-12-14 04:58:38,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:58:38,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465745216] [2022-12-14 04:58:38,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:58:38,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:58:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:58:41,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2022-12-14 04:58:41,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:58:41,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465745216] [2022-12-14 04:58:41,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465745216] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:58:41,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:58:41,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:58:41,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891313958] [2022-12-14 04:58:41,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:58:41,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:58:41,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:58:41,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:58:41,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:58:41,319 INFO L87 Difference]: Start difference. First operand 74389 states and 110381 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 04:58:54,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:58:54,517 INFO L93 Difference]: Finished difference Result 128959 states and 191594 transitions. [2022-12-14 04:58:54,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 04:58:54,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 300 [2022-12-14 04:58:54,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:58:55,161 INFO L225 Difference]: With dead ends: 128959 [2022-12-14 04:58:55,162 INFO L226 Difference]: Without dead ends: 128957 [2022-12-14 04:58:55,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:58:55,241 INFO L413 NwaCegarLoop]: 3501 mSDtfsCounter, 2210 mSDsluCounter, 11878 mSDsCounter, 0 mSdLazyCounter, 3333 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2211 SdHoareTripleChecker+Valid, 15379 SdHoareTripleChecker+Invalid, 3336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:58:55,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2211 Valid, 15379 Invalid, 3336 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3333 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 04:58:55,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128957 states. [2022-12-14 04:59:02,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128957 to 128753. [2022-12-14 04:59:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128753 states, 72901 states have (on average 1.3156609648701665) internal successors, (95913), 78189 states have internal predecessors, (95913), 47167 states have call successors, (47167), 8776 states have call predecessors, (47167), 8684 states have return successors, (48213), 42927 states have call predecessors, (48213), 47167 states have call successors, (48213) [2022-12-14 04:59:03,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128753 states to 128753 states and 191293 transitions. [2022-12-14 04:59:03,602 INFO L78 Accepts]: Start accepts. Automaton has 128753 states and 191293 transitions. Word has length 300 [2022-12-14 04:59:03,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:03,603 INFO L495 AbstractCegarLoop]: Abstraction has 128753 states and 191293 transitions. [2022-12-14 04:59:03,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 04:59:03,603 INFO L276 IsEmpty]: Start isEmpty. Operand 128753 states and 191293 transitions. [2022-12-14 04:59:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-12-14 04:59:03,683 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:03,684 INFO L195 NwaCegarLoop]: trace histogram [18, 15, 15, 15, 15, 15, 15, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:59:03,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 04:59:03,684 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:59:03,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:03,684 INFO L85 PathProgramCache]: Analyzing trace with hash 239334238, now seen corresponding path program 1 times [2022-12-14 04:59:03,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:03,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036822120] [2022-12-14 04:59:03,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:03,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2022-12-14 04:59:03,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:03,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036822120] [2022-12-14 04:59:03,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036822120] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:03,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:03,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:59:03,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482073161] [2022-12-14 04:59:03,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:03,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:59:03,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:03,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:59:03,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:59:03,932 INFO L87 Difference]: Start difference. First operand 128753 states and 191293 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-12-14 04:59:13,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:13,840 INFO L93 Difference]: Finished difference Result 258905 states and 384181 transitions. [2022-12-14 04:59:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:59:13,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 367 [2022-12-14 04:59:13,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:14,566 INFO L225 Difference]: With dead ends: 258905 [2022-12-14 04:59:14,566 INFO L226 Difference]: Without dead ends: 130183 [2022-12-14 04:59:15,031 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 [2022-12-14 04:59:15,032 INFO L413 NwaCegarLoop]: 2869 mSDtfsCounter, 1242 mSDsluCounter, 2551 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 5420 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:15,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 5420 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 04:59:15,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130183 states. [2022-12-14 04:59:22,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130183 to 130183. [2022-12-14 04:59:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130183 states, 73733 states have (on average 1.3142283645043604) internal successors, (96902), 79054 states have internal predecessors, (96902), 47490 states have call successors, (47490), 9051 states have call predecessors, (47490), 8959 states have return successors, (48536), 43223 states have call predecessors, (48536), 47490 states have call successors, (48536) [2022-12-14 04:59:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130183 states to 130183 states and 192928 transitions. [2022-12-14 04:59:23,953 INFO L78 Accepts]: Start accepts. Automaton has 130183 states and 192928 transitions. Word has length 367 [2022-12-14 04:59:23,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:23,954 INFO L495 AbstractCegarLoop]: Abstraction has 130183 states and 192928 transitions. [2022-12-14 04:59:23,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-12-14 04:59:23,954 INFO L276 IsEmpty]: Start isEmpty. Operand 130183 states and 192928 transitions. [2022-12-14 04:59:24,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-12-14 04:59:24,055 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:24,055 INFO L195 NwaCegarLoop]: trace histogram [22, 15, 15, 15, 15, 15, 15, 11, 11, 4, 4, 4, 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, 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] [2022-12-14 04:59:24,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 04:59:24,056 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:59:24,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:24,056 INFO L85 PathProgramCache]: Analyzing trace with hash -710981129, now seen corresponding path program 1 times [2022-12-14 04:59:24,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:24,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322274228] [2022-12-14 04:59:24,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:24,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 1285 trivial. 0 not checked. [2022-12-14 04:59:24,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:24,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322274228] [2022-12-14 04:59:24,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322274228] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:24,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:24,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:59:24,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921174375] [2022-12-14 04:59:24,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:24,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:59:24,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:24,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:59:24,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:59:24,221 INFO L87 Difference]: Start difference. First operand 130183 states and 192928 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, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 04:59:37,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:59:37,395 INFO L93 Difference]: Finished difference Result 299265 states and 443496 transitions. [2022-12-14 04:59:37,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:59:37,396 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, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 369 [2022-12-14 04:59:37,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:59:38,395 INFO L225 Difference]: With dead ends: 299265 [2022-12-14 04:59:38,396 INFO L226 Difference]: Without dead ends: 169935 [2022-12-14 04:59:38,919 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 [2022-12-14 04:59:38,919 INFO L413 NwaCegarLoop]: 4759 mSDtfsCounter, 2622 mSDsluCounter, 2547 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 7306 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 04:59:38,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2622 Valid, 7306 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 04:59:39,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169935 states. [2022-12-14 04:59:48,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169935 to 169901. [2022-12-14 04:59:48,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169901 states, 96151 states have (on average 1.3157637466068997) internal successors, (126512), 103134 states have internal predecessors, (126512), 62004 states have call successors, (62004), 11859 states have call predecessors, (62004), 11745 states have return successors, (63220), 56409 states have call predecessors, (63220), 62004 states have call successors, (63220) [2022-12-14 04:59:49,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169901 states to 169901 states and 251736 transitions. [2022-12-14 04:59:49,521 INFO L78 Accepts]: Start accepts. Automaton has 169901 states and 251736 transitions. Word has length 369 [2022-12-14 04:59:49,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:59:49,522 INFO L495 AbstractCegarLoop]: Abstraction has 169901 states and 251736 transitions. [2022-12-14 04:59:49,522 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, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 04:59:49,522 INFO L276 IsEmpty]: Start isEmpty. Operand 169901 states and 251736 transitions. [2022-12-14 04:59:49,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-12-14 04:59:49,650 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:59:49,651 INFO L195 NwaCegarLoop]: trace histogram [23, 15, 15, 15, 15, 15, 15, 12, 12, 5, 5, 5, 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, 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] [2022-12-14 04:59:49,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 04:59:49,651 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:59:49,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:59:49,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1674668099, now seen corresponding path program 1 times [2022-12-14 04:59:49,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:59:49,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988996763] [2022-12-14 04:59:49,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:59:49,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:59:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:59:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 1382 trivial. 0 not checked. [2022-12-14 04:59:49,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:59:49,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988996763] [2022-12-14 04:59:49,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988996763] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:59:49,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:59:49,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:59:49,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177626609] [2022-12-14 04:59:49,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:59:49,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:59:49,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:59:49,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:59:49,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:59:49,817 INFO L87 Difference]: Start difference. First operand 169901 states and 251736 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 05:00:04,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:04,524 INFO L93 Difference]: Finished difference Result 378445 states and 560808 transitions. [2022-12-14 05:00:04,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:00:04,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 391 [2022-12-14 05:00:04,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:05,762 INFO L225 Difference]: With dead ends: 378445 [2022-12-14 05:00:05,762 INFO L226 Difference]: Without dead ends: 209397 [2022-12-14 05:00:06,473 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 [2022-12-14 05:00:06,474 INFO L413 NwaCegarLoop]: 4898 mSDtfsCounter, 2619 mSDsluCounter, 2550 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 7448 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:06,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 7448 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 05:00:06,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209397 states. [2022-12-14 05:00:18,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209397 to 209363. [2022-12-14 05:00:18,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209363 states, 118425 states have (on average 1.316968545492928) internal successors, (155962), 127054 states have internal predecessors, (155962), 76462 states have call successors, (76462), 14611 states have call predecessors, (76462), 14475 states have return successors, (77848), 69547 states have call predecessors, (77848), 76462 states have call successors, (77848) [2022-12-14 05:00:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209363 states to 209363 states and 310272 transitions. [2022-12-14 05:00:19,665 INFO L78 Accepts]: Start accepts. Automaton has 209363 states and 310272 transitions. Word has length 391 [2022-12-14 05:00:19,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:00:19,665 INFO L495 AbstractCegarLoop]: Abstraction has 209363 states and 310272 transitions. [2022-12-14 05:00:19,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 05:00:19,666 INFO L276 IsEmpty]: Start isEmpty. Operand 209363 states and 310272 transitions. [2022-12-14 05:00:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-12-14 05:00:19,833 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:19,833 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 13, 13, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:00:19,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 05:00:19,834 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:00:19,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:19,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1839338894, now seen corresponding path program 1 times [2022-12-14 05:00:19,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:00:19,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758749457] [2022-12-14 05:00:19,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:19,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:00:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:00:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2022-12-14 05:00:20,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:00:20,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758749457] [2022-12-14 05:00:20,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758749457] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:00:20,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:00:20,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:00:20,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879030712] [2022-12-14 05:00:20,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:00:20,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:00:20,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:00:20,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:00:20,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:00:20,222 INFO L87 Difference]: Start difference. First operand 209363 states and 310272 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 05:00:48,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:00:48,403 INFO L93 Difference]: Finished difference Result 620911 states and 920894 transitions. [2022-12-14 05:00:48,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:00:48,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 404 [2022-12-14 05:00:48,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:00:51,013 INFO L225 Difference]: With dead ends: 620911 [2022-12-14 05:00:51,014 INFO L226 Difference]: Without dead ends: 412401 [2022-12-14 05:00:52,105 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 [2022-12-14 05:00:52,106 INFO L413 NwaCegarLoop]: 4299 mSDtfsCounter, 2814 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2814 SdHoareTripleChecker+Valid, 6865 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:00:52,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 6865 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 05:00:52,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412401 states. [2022-12-14 05:01:18,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412401 to 412399. [2022-12-14 05:01:18,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412399 states, 233601 states have (on average 1.3165953912868524) internal successors, (307558), 250538 states have internal predecessors, (307558), 150378 states have call successors, (150378), 28691 states have call predecessors, (150378), 28419 states have return successors, (153150), 136863 states have call predecessors, (153150), 150378 states have call successors, (153150) [2022-12-14 05:01:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412399 states to 412399 states and 611086 transitions. [2022-12-14 05:01:22,144 INFO L78 Accepts]: Start accepts. Automaton has 412399 states and 611086 transitions. Word has length 404 [2022-12-14 05:01:22,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:01:22,145 INFO L495 AbstractCegarLoop]: Abstraction has 412399 states and 611086 transitions. [2022-12-14 05:01:22,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 05:01:22,145 INFO L276 IsEmpty]: Start isEmpty. Operand 412399 states and 611086 transitions. [2022-12-14 05:01:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-12-14 05:01:22,456 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:01:22,457 INFO L195 NwaCegarLoop]: trace histogram [25, 15, 15, 15, 15, 15, 15, 12, 12, 6, 6, 6, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:01:22,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 05:01:22,457 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:01:22,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:01:22,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1680699345, now seen corresponding path program 1 times [2022-12-14 05:01:22,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:01:22,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112011970] [2022-12-14 05:01:22,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:01:22,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:01:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:01:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 1469 trivial. 0 not checked. [2022-12-14 05:01:23,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:01:23,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112011970] [2022-12-14 05:01:23,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112011970] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:01:23,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:01:23,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:01:23,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680528819] [2022-12-14 05:01:23,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:01:23,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:01:23,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:01:23,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:01:23,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:01:23,065 INFO L87 Difference]: Start difference. First operand 412399 states and 611086 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 05:02:18,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:02:18,166 INFO L93 Difference]: Finished difference Result 1066819 states and 1582062 transitions. [2022-12-14 05:02:18,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:02:18,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 405 [2022-12-14 05:02:18,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:02:22,610 INFO L225 Difference]: With dead ends: 1066819 [2022-12-14 05:02:22,610 INFO L226 Difference]: Without dead ends: 655273 [2022-12-14 05:02:25,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:02:25,261 INFO L413 NwaCegarLoop]: 7699 mSDtfsCounter, 5653 mSDsluCounter, 3449 mSDsCounter, 0 mSdLazyCounter, 4532 mSolverCounterSat, 1451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5653 SdHoareTripleChecker+Valid, 11148 SdHoareTripleChecker+Invalid, 5983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1451 IncrementalHoareTripleChecker+Valid, 4532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:02:25,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5653 Valid, 11148 Invalid, 5983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1451 Valid, 4532 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-12-14 05:02:25,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655273 states. [2022-12-14 05:03:07,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655273 to 655171. [2022-12-14 05:03:07,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655171 states, 371573 states have (on average 1.3180990007347142) internal successors, (489770), 398658 states have internal predecessors, (489770), 238410 states have call successors, (238410), 45619 states have call predecessors, (238410), 45187 states have return successors, (242362), 216691 states have call predecessors, (242362), 238410 states have call successors, (242362) [2022-12-14 05:03:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655171 states to 655171 states and 970542 transitions. [2022-12-14 05:03:13,053 INFO L78 Accepts]: Start accepts. Automaton has 655171 states and 970542 transitions. Word has length 405 [2022-12-14 05:03:13,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:03:13,053 INFO L495 AbstractCegarLoop]: Abstraction has 655171 states and 970542 transitions. [2022-12-14 05:03:13,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 05:03:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 655171 states and 970542 transitions. [2022-12-14 05:03:13,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-12-14 05:03:13,539 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:03:13,539 INFO L195 NwaCegarLoop]: trace histogram [23, 15, 15, 15, 15, 15, 15, 12, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:03:13,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 05:03:13,539 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:03:13,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:03:13,540 INFO L85 PathProgramCache]: Analyzing trace with hash 704772253, now seen corresponding path program 1 times [2022-12-14 05:03:13,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:03:13,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369241711] [2022-12-14 05:03:13,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:03:13,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:03:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:03:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2022-12-14 05:03:13,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:03:13,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369241711] [2022-12-14 05:03:13,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369241711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:03:13,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:03:13,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:03:13,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730702028] [2022-12-14 05:03:13,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:03:13,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:03:13,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:03:13,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:03:13,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:03:13,787 INFO L87 Difference]: Start difference. First operand 655171 states and 970542 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55)