./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/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_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/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_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/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 29824587617da9a02b15e9129afbb9cf5ee59d8d3dbb506aa4fe0ed84097e2f1 --- 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 12:10:28,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:10:28,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:10:28,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:10:28,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:10:28,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:10:28,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:10:28,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:10:28,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:10:28,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:10:28,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:10:28,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:10:28,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:10:28,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:10:28,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:10:28,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:10:28,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:10:28,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:10:28,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:10:28,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:10:28,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:10:28,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:10:28,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:10:28,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:10:28,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:10:28,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:10:28,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:10:28,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:10:28,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:10:28,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:10:28,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:10:28,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:10:28,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:10:28,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:10:28,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:10:28,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:10:28,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:10:28,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:10:28,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:10:28,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:10:28,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:10:28,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 12:10:28,756 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:10:28,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:10:28,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:10:28,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:10:28,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:10:28,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:10:28,757 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:10:28,757 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:10:28,757 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:10:28,757 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:10:28,758 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:10:28,758 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:10:28,758 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:10:28,758 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:10:28,758 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:10:28,758 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:10:28,758 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:10:28,758 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:10:28,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:10:28,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:10:28,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:10:28,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:10:28,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:10:28,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:10:28,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:10:28,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:10:28,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:10:28,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:10:28,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:10:28,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:10:28,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:10:28,760 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:10:28,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:10:28,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:10:28,761 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:10:28,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:10:28,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:10:28,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:10:28,761 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_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29824587617da9a02b15e9129afbb9cf5ee59d8d3dbb506aa4fe0ed84097e2f1 [2022-12-14 12:10:28,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:10:28,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:10:28,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:10:28,946 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:10:28,946 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:10:28,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2022-12-14 12:10:31,496 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:10:31,866 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:10:31,866 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2022-12-14 12:10:31,891 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/bin/utaipan-gh47qXpMRh/data/8dc1f0c02/34c2f9a2d0944eebbada3760899f5f59/FLAG29ad6397c [2022-12-14 12:10:32,060 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/bin/utaipan-gh47qXpMRh/data/8dc1f0c02/34c2f9a2d0944eebbada3760899f5f59 [2022-12-14 12:10:32,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:10:32,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:10:32,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:10:32,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:10:32,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:10:32,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:10:32" (1/1) ... [2022-12-14 12:10:32,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de0acfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:32, skipping insertion in model container [2022-12-14 12:10:32,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:10:32" (1/1) ... [2022-12-14 12:10:32,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:10:32,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:10:32,531 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 12:10:32,537 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 12:10:32,550 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 12:10:32,647 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 12:10:32,654 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-14 12:10:32,983 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 12:10:32,988 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 12:10:33,005 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:10:33,030 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 12:10:33,035 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 12:10:33,039 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 12:10:33,045 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,046 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 12:10:33,047 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 12:10:33,050 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,051 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 12:10:33,051 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 12:10:33,087 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-14 12:10:33,091 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-14 12:10:33,094 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 12:10:33,102 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_235 [2022-12-14 12:10:33,115 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:33,166 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:10:33,170 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:10:33,315 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-14 12:10:33,359 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:33,363 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:33,367 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-14 12:10:33,368 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,374 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,377 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:33,378 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,380 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:33,380 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,381 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:33,386 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 12:10:33,387 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 12:10:33,415 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,421 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,426 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,429 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,430 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,431 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 12:10:33,433 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 12:10:33,433 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,434 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,436 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,437 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,443 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,445 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,446 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,447 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,448 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,449 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 12:10:33,454 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,460 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,463 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,466 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,472 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,473 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,478 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,479 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,481 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,484 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,510 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,519 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,524 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,528 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,541 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,542 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,543 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 12:10:33,546 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-14 12:10:33,547 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 12:10:33,551 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,555 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-14 12:10:33,555 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 12:10:33,560 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,561 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,561 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,561 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,562 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,562 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,563 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,563 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,564 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,564 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,565 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,565 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,565 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,566 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,566 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,567 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,567 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,568 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,568 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,569 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,569 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,569 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,570 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,570 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,571 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,571 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,571 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,572 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:33,576 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-14 12:10:33,576 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 12:10:33,577 WARN L623 FunctionHandler]: Unknown extern function kstrdup [2022-12-14 12:10:33,578 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,578 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 12:10:33,578 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,579 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,583 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 12:10:33,584 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-14 12:10:33,589 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 12:10:33,589 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,589 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,590 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 12:10:33,594 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:10:33,598 WARN L623 FunctionHandler]: Unknown extern function driver_find_device [2022-12-14 12:10:33,606 WARN L623 FunctionHandler]: Unknown extern function driver_find_device [2022-12-14 12:10:33,659 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,663 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-14 12:10:33,667 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-14 12:10:33,668 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-14 12:10:33,668 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,672 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,673 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,675 WARN L623 FunctionHandler]: Unknown extern function platform_device_register [2022-12-14 12:10:33,675 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-14 12:10:33,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,676 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:10:33,676 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-14 12:10:33,677 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,677 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-14 12:10:33,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,678 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-14 12:10:33,678 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,687 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,688 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:10:33,692 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 12:10:33,693 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 12:10:33,693 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 12:10:33,693 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 12:10:33,702 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:10:33,703 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:10:33,703 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,704 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:10:33,710 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,711 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:10:33,712 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 12:10:33,712 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:10:33,712 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-14 12:10:33,712 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:10:33,713 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:10:33,713 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 12:10:33,713 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:10:33,714 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 12:10:33,715 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,716 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,717 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 12:10:33,717 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 12:10:33,718 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 12:10:33,718 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 12:10:33,728 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 12:10:33,728 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:33,730 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,731 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 12:10:33,731 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,772 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,773 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,773 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:33,774 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,774 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:33,775 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,779 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,791 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,796 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,797 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,797 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:33,798 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,799 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,800 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,801 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:33,803 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,804 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,815 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,819 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,820 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:33,838 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,840 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,846 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,852 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:33,877 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,877 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,878 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,880 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 12:10:33,881 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,885 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,886 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:33,887 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-12-14 12:10:33,887 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,887 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,887 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-14 12:10:33,888 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,888 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 12:10:33,888 WARN L623 FunctionHandler]: Unknown extern function atomic_notifier_chain_register [2022-12-14 12:10:33,896 WARN L623 FunctionHandler]: Unknown extern function atomic_notifier_chain_unregister [2022-12-14 12:10:33,896 WARN L623 FunctionHandler]: Unknown extern function proc_remove [2022-12-14 12:10:33,896 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 12:10:33,896 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,897 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:33,913 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 12:10:33,915 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 12:10:33,916 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 12:10:33,916 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 12:10:33,917 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 12:10:33,918 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 12:10:33,918 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 12:10:33,919 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 12:10:33,919 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 12:10:33,919 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 12:10:33,921 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,921 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,922 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,922 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,922 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,922 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 12:10:33,923 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,923 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,923 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,923 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,923 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,924 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,924 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,924 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,924 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,924 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,925 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,925 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,925 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,925 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,925 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,925 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,926 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,926 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,926 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,926 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,926 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,927 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,927 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,927 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,927 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,927 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,928 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,928 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,928 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,928 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,928 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,929 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,929 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,929 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,929 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,929 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,930 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,930 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,930 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,930 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,930 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,931 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,931 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,931 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:33,931 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,932 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:33,932 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:10:33,932 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:10:33,933 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:10:33,933 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 12:10:33,937 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_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i[314027,314040] [2022-12-14 12:10:34,203 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,204 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,205 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,205 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,210 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,210 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:10:34,255 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:10:34,294 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 12:10:34,294 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 12:10:34,295 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 12:10:34,296 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 12:10:34,297 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-14 12:10:34,300 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 12:10:34,301 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 12:10:34,302 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:10:34,302 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 12:10:34,302 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 12:10:34,302 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 12:10:34,303 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,303 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 12:10:34,303 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 12:10:34,303 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,304 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 12:10:34,304 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 12:10:34,305 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-14 12:10:34,306 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-14 12:10:34,306 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 12:10:34,307 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_235 [2022-12-14 12:10:34,307 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,308 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:10:34,309 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:10:34,311 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-14 12:10:34,315 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:34,315 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:34,316 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-14 12:10:34,317 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,320 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,324 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:34,325 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,326 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:34,326 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,327 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:34,327 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 12:10:34,328 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 12:10:34,333 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,335 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,336 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,339 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,342 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,344 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 12:10:34,363 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 12:10:34,364 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,365 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,366 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,367 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,370 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,371 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,372 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,372 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,373 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,373 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 12:10:34,376 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,377 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,379 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,380 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,381 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,382 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,383 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,383 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,385 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,386 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,390 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,393 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,395 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,397 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,402 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,402 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,402 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-14 12:10:34,403 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-14 12:10:34,403 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 12:10:34,403 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,404 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-14 12:10:34,404 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 12:10:34,405 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,405 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,405 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,405 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,406 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,406 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,406 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,406 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,406 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,407 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,407 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,407 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,407 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,407 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,408 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,408 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,408 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,408 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,409 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,409 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,409 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,409 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,409 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,410 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,410 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,410 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,410 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,410 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 12:10:34,411 WARN L623 FunctionHandler]: Unknown extern function PDE_DATA [2022-12-14 12:10:34,411 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 12:10:34,412 WARN L623 FunctionHandler]: Unknown extern function kstrdup [2022-12-14 12:10:34,412 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,412 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 12:10:34,412 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,412 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,413 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 12:10:34,414 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-14 12:10:34,415 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 12:10:34,415 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,415 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,415 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 12:10:34,416 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 12:10:34,416 WARN L623 FunctionHandler]: Unknown extern function driver_find_device [2022-12-14 12:10:34,417 WARN L623 FunctionHandler]: Unknown extern function driver_find_device [2022-12-14 12:10:34,425 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,425 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-14 12:10:34,426 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-14 12:10:34,427 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-14 12:10:34,427 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,429 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,430 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,430 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,431 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,432 WARN L623 FunctionHandler]: Unknown extern function platform_device_register [2022-12-14 12:10:34,433 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-14 12:10:34,433 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,433 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:10:34,434 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-14 12:10:34,434 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,434 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-14 12:10:34,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,435 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-14 12:10:34,435 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,437 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,437 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:10:34,438 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 12:10:34,438 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 12:10:34,438 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 12:10:34,438 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 12:10:34,440 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:10:34,441 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:10:34,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,441 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 12:10:34,444 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,446 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:10:34,447 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 12:10:34,447 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:10:34,447 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-14 12:10:34,448 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:10:34,448 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:10:34,448 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 12:10:34,449 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:10:34,449 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 12:10:34,450 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,451 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,453 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 12:10:34,453 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 12:10:34,453 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 12:10:34,453 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 12:10:34,457 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 12:10:34,457 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:34,458 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,459 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 12:10:34,460 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,475 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,476 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,476 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:34,477 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,477 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:34,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,484 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,484 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,484 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:34,485 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,486 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,487 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,488 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 12:10:34,490 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,490 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,494 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,495 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,496 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 12:10:34,497 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,499 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,514 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,514 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:10:34,519 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,521 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,522 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,525 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 12:10:34,525 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,527 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,528 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 12:10:34,529 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-12-14 12:10:34,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,530 WARN L623 FunctionHandler]: Unknown extern function proc_mkdir [2022-12-14 12:10:34,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,530 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 12:10:34,531 WARN L623 FunctionHandler]: Unknown extern function atomic_notifier_chain_register [2022-12-14 12:10:34,531 WARN L623 FunctionHandler]: Unknown extern function atomic_notifier_chain_unregister [2022-12-14 12:10:34,531 WARN L623 FunctionHandler]: Unknown extern function proc_remove [2022-12-14 12:10:34,531 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 12:10:34,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 12:10:34,537 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 12:10:34,538 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 12:10:34,538 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 12:10:34,539 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 12:10:34,540 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 12:10:34,540 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 12:10:34,540 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 12:10:34,541 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 12:10:34,541 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 12:10:34,541 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 12:10:34,542 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,543 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,543 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,543 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,543 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,543 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 12:10:34,543 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,544 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,544 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,544 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,544 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,544 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,544 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,544 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,544 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,545 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,545 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,545 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,545 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,545 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,545 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,545 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,545 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,546 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,546 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,546 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,546 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,546 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,546 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,546 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,546 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,546 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,547 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,547 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,547 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,547 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,547 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,547 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,547 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,547 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,548 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,548 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,548 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,548 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,548 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,548 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,548 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,548 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,549 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,549 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 12:10:34,549 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,549 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 12:10:34,549 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:10:34,549 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:10:34,550 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 12:10:34,550 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 12:10:34,550 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_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i[314027,314040] [2022-12-14 12:10:34,560 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,561 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,561 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,561 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,562 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,562 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 12:10:34,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:10:34,663 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:10:34,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34 WrapperNode [2022-12-14 12:10:34,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:10:34,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:10:34,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:10:34,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:10:34,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (1/1) ... [2022-12-14 12:10:34,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (1/1) ... [2022-12-14 12:10:34,820 INFO L138 Inliner]: procedures = 451, calls = 4092, calls flagged for inlining = 167, calls inlined = 83, statements flattened = 4869 [2022-12-14 12:10:34,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:10:34,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:10:34,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:10:34,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:10:34,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (1/1) ... [2022-12-14 12:10:34,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (1/1) ... [2022-12-14 12:10:34,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (1/1) ... [2022-12-14 12:10:34,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (1/1) ... [2022-12-14 12:10:34,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (1/1) ... [2022-12-14 12:10:34,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (1/1) ... [2022-12-14 12:10:34,948 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (1/1) ... [2022-12-14 12:10:34,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (1/1) ... [2022-12-14 12:10:34,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:10:34,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:10:34,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:10:34,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:10:34,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (1/1) ... [2022-12-14 12:10:35,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:10:35,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:10:35,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:10:35,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536c3d05-2f74-4c0d-a1c1-be822a1e9d5d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:10:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2022-12-14 12:10:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2022-12-14 12:10:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 12:10:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 12:10:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 12:10:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 12:10:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 12:10:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 12:10:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-12-14 12:10:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-12-14 12:10:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2022-12-14 12:10:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2022-12-14 12:10:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2022-12-14 12:10:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2022-12-14 12:10:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2022-12-14 12:10:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2022-12-14 12:10:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure __write_once_size [2022-12-14 12:10:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __write_once_size [2022-12-14 12:10:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2022-12-14 12:10:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2022-12-14 12:10:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2022-12-14 12:10:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 12:10:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2022-12-14 12:10:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2022-12-14 12:10:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure need_waiter [2022-12-14 12:10:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure need_waiter [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 12:10:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure smi_send [2022-12-14 12:10:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_send [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure smi_add_send_msg [2022-12-14 12:10:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_add_send_msg [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2022-12-14 12:10:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2022-12-14 12:10:35,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-12-14 12:10:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2022-12-14 12:10:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 12:10:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 12:10:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2022-12-14 12:10:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2022-12-14 12:10:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2022-12-14 12:10:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-12-14 12:10:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-12-14 12:10:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2022-12-14 12:10:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2022-12-14 12:10:35,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 12:10:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-12-14 12:10:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2022-12-14 12:10:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 12:10:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-14 12:10:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-12-14 12:10:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-12-14 12:10:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 12:10:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2022-12-14 12:10:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-12-14 12:10:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-14 12:10:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-14 12:10:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2022-12-14 12:10:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2022-12-14 12:10:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:10:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-12-14 12:10:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-12-14 12:10:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 12:10:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2022-12-14 12:10:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2022-12-14 12:10:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 12:10:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2022-12-14 12:10:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2022-12-14 12:10:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:10:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-14 12:10:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-12-14 12:10:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 12:10:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2022-12-14 12:10:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2022-12-14 12:10:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-12-14 12:10:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2022-12-14 12:10:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 12:10:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 12:10:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 12:10:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 12:10:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 12:10:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2022-12-14 12:10:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 12:10:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-12-14 12:10:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 12:10:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2022-12-14 12:10:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-12-14 12:10:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2022-12-14 12:10:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 12:10:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2022-12-14 12:10:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2022-12-14 12:10:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 12:10:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2022-12-14 12:10:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2022-12-14 12:10:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-12-14 12:10:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2022-12-14 12:10:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2022-12-14 12:10:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2022-12-14 12:10:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2022-12-14 12:10:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2022-12-14 12:10:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2022-12-14 12:10:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-12-14 12:10:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-12-14 12:10:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:10:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 12:10:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 12:10:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2022-12-14 12:10:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2022-12-14 12:10:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-14 12:10:35,627 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:10:35,629 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:10:36,140 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 12:10:43,617 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:10:44,475 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:10:44,475 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:10:44,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:10:44 BoogieIcfgContainer [2022-12-14 12:10:44,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:10:44,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:10:44,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:10:44,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:10:44,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:10:32" (1/3) ... [2022-12-14 12:10:44,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495782fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:10:44, skipping insertion in model container [2022-12-14 12:10:44,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:10:34" (2/3) ... [2022-12-14 12:10:44,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495782fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:10:44, skipping insertion in model container [2022-12-14 12:10:44,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:10:44" (3/3) ... [2022-12-14 12:10:44,485 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--char--ipmi--ipmi_msghandler.ko-entry_point.cil.out.i [2022-12-14 12:10:44,500 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:10:44,500 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 12:10:44,559 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:10:44,564 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;@292d4c6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:10:44,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 12:10:44,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 1493 states, 916 states have (on average 1.398471615720524) internal successors, (1281), 1011 states have internal predecessors, (1281), 475 states have call successors, (475), 101 states have call predecessors, (475), 100 states have return successors, (457), 437 states have call predecessors, (457), 457 states have call successors, (457) [2022-12-14 12:10:44,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2022-12-14 12:10:44,592 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:44,592 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:10:44,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:10:44,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:44,597 INFO L85 PathProgramCache]: Analyzing trace with hash -2114559850, now seen corresponding path program 1 times [2022-12-14 12:10:44,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:10:44,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264277507] [2022-12-14 12:10:44,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:10:44,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:10:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:10:45,833 INFO L134 CoverageAnalysis]: Checked inductivity of 7965 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7965 trivial. 0 not checked. [2022-12-14 12:10:45,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:10:45,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264277507] [2022-12-14 12:10:45,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264277507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:10:45,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:10:45,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:10:45,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62282062] [2022-12-14 12:10:45,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:10:45,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:10:45,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:10:45,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:10:45,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:10:45,878 INFO L87 Difference]: Start difference. First operand has 1493 states, 916 states have (on average 1.398471615720524) internal successors, (1281), 1011 states have internal predecessors, (1281), 475 states have call successors, (475), 101 states have call predecessors, (475), 100 states have return successors, (457), 437 states have call predecessors, (457), 457 states have call successors, (457) Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2022-12-14 12:10:48,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:10:48,529 INFO L93 Difference]: Finished difference Result 4192 states and 6352 transitions. [2022-12-14 12:10:48,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:10:48,531 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), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 551 [2022-12-14 12:10:48,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:10:48,553 INFO L225 Difference]: With dead ends: 4192 [2022-12-14 12:10:48,554 INFO L226 Difference]: Without dead ends: 2765 [2022-12-14 12:10:48,563 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 12:10:48,565 INFO L413 NwaCegarLoop]: 2397 mSDtfsCounter, 1965 mSDsluCounter, 1985 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 4382 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:10:48,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1965 Valid, 4382 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-14 12:10:48,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-12-14 12:10:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 2761. [2022-12-14 12:10:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 1733 states have (on average 1.3883439122908252) internal successors, (2406), 1873 states have internal predecessors, (2406), 834 states have call successors, (834), 194 states have call predecessors, (834), 193 states have return successors, (824), 784 states have call predecessors, (824), 824 states have call successors, (824) [2022-12-14 12:10:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 4064 transitions. [2022-12-14 12:10:48,714 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 4064 transitions. Word has length 551 [2022-12-14 12:10:48,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:10:48,716 INFO L495 AbstractCegarLoop]: Abstraction has 2761 states and 4064 transitions. [2022-12-14 12:10:48,716 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), 2 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2022-12-14 12:10:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 4064 transitions. [2022-12-14 12:10:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-12-14 12:10:48,726 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:48,726 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:10:48,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:10:48,726 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:10:48,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:48,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1628319335, now seen corresponding path program 1 times [2022-12-14 12:10:48,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:10:48,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456430796] [2022-12-14 12:10:48,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:10:48,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:10:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:10:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 7965 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7965 trivial. 0 not checked. [2022-12-14 12:10:49,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:10:49,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456430796] [2022-12-14 12:10:49,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456430796] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:10:49,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:10:49,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:10:49,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147041738] [2022-12-14 12:10:49,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:10:49,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:10:49,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:10:49,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:10:49,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:10:49,717 INFO L87 Difference]: Start difference. First operand 2761 states and 4064 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (55), 3 states have call predecessors, (55), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 12:11:02,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:11:03,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:11:06,451 WARN L539 Checker$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 12:11:08,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:11:08,175 INFO L93 Difference]: Finished difference Result 8037 states and 11835 transitions. [2022-12-14 12:11:08,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:11:08,176 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (55), 3 states have call predecessors, (55), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) Word has length 558 [2022-12-14 12:11:08,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:11:08,206 INFO L225 Difference]: With dead ends: 8037 [2022-12-14 12:11:08,207 INFO L226 Difference]: Without dead ends: 5382 [2022-12-14 12:11:08,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:11:08,220 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 3348 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 6017 mSolverCounterSat, 1556 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3734 SdHoareTripleChecker+Valid, 1638 SdHoareTripleChecker+Invalid, 7574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1556 IncrementalHoareTripleChecker+Valid, 6017 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:11:08,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3734 Valid, 1638 Invalid, 7574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1556 Valid, 6017 Invalid, 1 Unknown, 0 Unchecked, 18.1s Time] [2022-12-14 12:11:08,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5382 states. [2022-12-14 12:11:08,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5382 to 5361. [2022-12-14 12:11:08,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5361 states, 3384 states have (on average 1.3939125295508275) internal successors, (4717), 3653 states have internal predecessors, (4717), 1593 states have call successors, (1593), 383 states have call predecessors, (1593), 383 states have return successors, (1588), 1503 states have call predecessors, (1588), 1583 states have call successors, (1588) [2022-12-14 12:11:08,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5361 states to 5361 states and 7898 transitions. [2022-12-14 12:11:08,415 INFO L78 Accepts]: Start accepts. Automaton has 5361 states and 7898 transitions. Word has length 558 [2022-12-14 12:11:08,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:11:08,445 INFO L495 AbstractCegarLoop]: Abstraction has 5361 states and 7898 transitions. [2022-12-14 12:11:08,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (55), 3 states have call predecessors, (55), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 12:11:08,445 INFO L276 IsEmpty]: Start isEmpty. Operand 5361 states and 7898 transitions. [2022-12-14 12:11:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2022-12-14 12:11:08,451 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:11:08,451 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:11:08,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:11:08,451 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:11:08,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:11:08,452 INFO L85 PathProgramCache]: Analyzing trace with hash 725529164, now seen corresponding path program 1 times [2022-12-14 12:11:08,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:11:08,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339056892] [2022-12-14 12:11:08,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:11:08,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:11:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:11:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7965 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7965 trivial. 0 not checked. [2022-12-14 12:11:09,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:11:09,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339056892] [2022-12-14 12:11:09,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339056892] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:11:09,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:11:09,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:11:09,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112187742] [2022-12-14 12:11:09,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:11:09,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:11:09,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:11:09,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:11:09,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:11:09,035 INFO L87 Difference]: Start difference. First operand 5361 states and 7898 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2022-12-14 12:11:10,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:11:11,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:11:11,249 INFO L93 Difference]: Finished difference Result 10238 states and 15045 transitions. [2022-12-14 12:11:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:11:11,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 559 [2022-12-14 12:11:11,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:11:11,269 INFO L225 Difference]: With dead ends: 10238 [2022-12-14 12:11:11,269 INFO L226 Difference]: Without dead ends: 4983 [2022-12-14 12:11:11,283 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 12:11:11,284 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 2159 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2159 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:11:11,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2159 Valid, 1980 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 12:11:11,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4983 states. [2022-12-14 12:11:11,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4983 to 4983. [2022-12-14 12:11:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4983 states, 3104 states have (on average 1.382409793814433) internal successors, (4291), 3357 states have internal predecessors, (4291), 1507 states have call successors, (1507), 371 states have call predecessors, (1507), 371 states have return successors, (1502), 1425 states have call predecessors, (1502), 1497 states have call successors, (1502) [2022-12-14 12:11:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4983 states to 4983 states and 7300 transitions. [2022-12-14 12:11:11,502 INFO L78 Accepts]: Start accepts. Automaton has 4983 states and 7300 transitions. Word has length 559 [2022-12-14 12:11:11,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:11:11,503 INFO L495 AbstractCegarLoop]: Abstraction has 4983 states and 7300 transitions. [2022-12-14 12:11:11,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2022-12-14 12:11:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 4983 states and 7300 transitions. [2022-12-14 12:11:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-12-14 12:11:11,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:11:11,508 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:11:11,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:11:11,508 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:11:11,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:11:11,509 INFO L85 PathProgramCache]: Analyzing trace with hash -648294091, now seen corresponding path program 1 times [2022-12-14 12:11:11,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:11:11,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425306052] [2022-12-14 12:11:11,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:11:11,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:11:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:11:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7969 trivial. 0 not checked. [2022-12-14 12:11:12,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:11:12,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425306052] [2022-12-14 12:11:12,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425306052] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:11:12,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:11:12,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:11:12,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685567529] [2022-12-14 12:11:12,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:11:12,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:11:12,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:11:12,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:11:12,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:11:12,282 INFO L87 Difference]: Start difference. First operand 4983 states and 7300 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 12:11:17,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:11:17,470 INFO L93 Difference]: Finished difference Result 19600 states and 29032 transitions. [2022-12-14 12:11:17,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:11:17,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 610 [2022-12-14 12:11:17,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:11:17,522 INFO L225 Difference]: With dead ends: 19600 [2022-12-14 12:11:17,522 INFO L226 Difference]: Without dead ends: 14723 [2022-12-14 12:11:17,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:11:17,536 INFO L413 NwaCegarLoop]: 2797 mSDtfsCounter, 5321 mSDsluCounter, 2992 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 798 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5321 SdHoareTripleChecker+Valid, 5789 SdHoareTripleChecker+Invalid, 2251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:11:17,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5321 Valid, 5789 Invalid, 2251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [798 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 12:11:17,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14723 states. [2022-12-14 12:11:18,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14723 to 14657. [2022-12-14 12:11:18,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14657 states, 9170 states have (on average 1.3856052344601963) internal successors, (12706), 9897 states have internal predecessors, (12706), 4383 states have call successors, (4383), 1101 states have call predecessors, (4383), 1103 states have return successors, (4703), 4161 states have call predecessors, (4703), 4373 states have call successors, (4703) [2022-12-14 12:11:18,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14657 states to 14657 states and 21792 transitions. [2022-12-14 12:11:18,135 INFO L78 Accepts]: Start accepts. Automaton has 14657 states and 21792 transitions. Word has length 610 [2022-12-14 12:11:18,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:11:18,135 INFO L495 AbstractCegarLoop]: Abstraction has 14657 states and 21792 transitions. [2022-12-14 12:11:18,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 12:11:18,136 INFO L276 IsEmpty]: Start isEmpty. Operand 14657 states and 21792 transitions. [2022-12-14 12:11:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2022-12-14 12:11:18,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:11:18,140 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:11:18,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:11:18,141 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:11:18,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:11:18,141 INFO L85 PathProgramCache]: Analyzing trace with hash -44655352, now seen corresponding path program 1 times [2022-12-14 12:11:18,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:11:18,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617442816] [2022-12-14 12:11:18,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:11:18,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:11:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:11:18,845 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7969 trivial. 0 not checked. [2022-12-14 12:11:18,845 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:11:18,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617442816] [2022-12-14 12:11:18,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617442816] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:11:18,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:11:18,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:11:18,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591551697] [2022-12-14 12:11:18,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:11:18,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:11:18,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:11:18,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:11:18,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:11:18,848 INFO L87 Difference]: Start difference. First operand 14657 states and 21792 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 12:11:26,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:11:26,153 INFO L93 Difference]: Finished difference Result 58284 states and 88206 transitions. [2022-12-14 12:11:26,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:11:26,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 611 [2022-12-14 12:11:26,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:11:26,343 INFO L225 Difference]: With dead ends: 58284 [2022-12-14 12:11:26,343 INFO L226 Difference]: Without dead ends: 43733 [2022-12-14 12:11:26,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:11:26,396 INFO L413 NwaCegarLoop]: 2779 mSDtfsCounter, 5324 mSDsluCounter, 2992 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5324 SdHoareTripleChecker+Valid, 5771 SdHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:11:26,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5324 Valid, 5771 Invalid, 2245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 12:11:26,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43733 states. [2022-12-14 12:11:27,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43733 to 43667. [2022-12-14 12:11:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43667 states, 27368 states have (on average 1.3861444022215725) internal successors, (37936), 29505 states have internal predecessors, (37936), 12999 states have call successors, (12999), 3291 states have call predecessors, (12999), 3299 states have return successors, (15524), 12369 states have call predecessors, (15524), 12989 states have call successors, (15524) [2022-12-14 12:11:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43667 states to 43667 states and 66459 transitions. [2022-12-14 12:11:28,159 INFO L78 Accepts]: Start accepts. Automaton has 43667 states and 66459 transitions. Word has length 611 [2022-12-14 12:11:28,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:11:28,160 INFO L495 AbstractCegarLoop]: Abstraction has 43667 states and 66459 transitions. [2022-12-14 12:11:28,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 12:11:28,161 INFO L276 IsEmpty]: Start isEmpty. Operand 43667 states and 66459 transitions. [2022-12-14 12:11:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-12-14 12:11:28,165 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:11:28,166 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:11:28,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:11:28,166 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:11:28,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:11:28,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1029492387, now seen corresponding path program 1 times [2022-12-14 12:11:28,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:11:28,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274515661] [2022-12-14 12:11:28,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:11:28,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:11:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:11:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7969 trivial. 0 not checked. [2022-12-14 12:11:28,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:11:28,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274515661] [2022-12-14 12:11:28,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274515661] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:11:28,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:11:28,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:11:28,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016827577] [2022-12-14 12:11:28,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:11:28,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:11:28,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:11:28,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:11:28,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:11:28,836 INFO L87 Difference]: Start difference. First operand 43667 states and 66459 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 12:11:30,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:11:39,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:11:39,771 INFO L93 Difference]: Finished difference Result 174288 states and 272064 transitions. [2022-12-14 12:11:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:11:39,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 612 [2022-12-14 12:11:39,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:11:40,263 INFO L225 Difference]: With dead ends: 174288 [2022-12-14 12:11:40,263 INFO L226 Difference]: Without dead ends: 130727 [2022-12-14 12:11:40,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:11:40,404 INFO L413 NwaCegarLoop]: 2787 mSDtfsCounter, 5322 mSDsluCounter, 2992 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5322 SdHoareTripleChecker+Valid, 5779 SdHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:11:40,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5322 Valid, 5779 Invalid, 2245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-12-14 12:11:40,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130727 states. [2022-12-14 12:11:45,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130727 to 130661. [2022-12-14 12:11:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130661 states, 81962 states have (on average 1.3858129377028379) internal successors, (113584), 88293 states have internal predecessors, (113584), 38811 states have call successors, (38811), 9861 states have call predecessors, (38811), 9887 states have return successors, (53213), 36993 states have call predecessors, (53213), 38801 states have call successors, (53213) [2022-12-14 12:11:46,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130661 states to 130661 states and 205608 transitions. [2022-12-14 12:11:46,392 INFO L78 Accepts]: Start accepts. Automaton has 130661 states and 205608 transitions. Word has length 612 [2022-12-14 12:11:46,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:11:46,393 INFO L495 AbstractCegarLoop]: Abstraction has 130661 states and 205608 transitions. [2022-12-14 12:11:46,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 12:11:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 130661 states and 205608 transitions. [2022-12-14 12:11:46,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2022-12-14 12:11:46,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:11:46,399 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:11:46,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 12:11:46,399 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:11:46,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:11:46,400 INFO L85 PathProgramCache]: Analyzing trace with hash 282529136, now seen corresponding path program 1 times [2022-12-14 12:11:46,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:11:46,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632901743] [2022-12-14 12:11:46,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:11:46,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:11:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:11:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7969 trivial. 0 not checked. [2022-12-14 12:11:47,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:11:47,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632901743] [2022-12-14 12:11:47,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632901743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:11:47,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:11:47,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:11:47,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479213314] [2022-12-14 12:11:47,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:11:47,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:11:47,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:11:47,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:11:47,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:11:47,006 INFO L87 Difference]: Start difference. First operand 130661 states and 205608 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 12:11:49,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:11:50,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:12:07,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:12:07,645 INFO L93 Difference]: Finished difference Result 520703 states and 850498 transitions. [2022-12-14 12:12:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:12:07,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 613 [2022-12-14 12:12:07,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:12:09,353 INFO L225 Difference]: With dead ends: 520703 [2022-12-14 12:12:09,353 INFO L226 Difference]: Without dead ends: 390148 [2022-12-14 12:12:09,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:12:09,999 INFO L413 NwaCegarLoop]: 2775 mSDtfsCounter, 4138 mSDsluCounter, 4813 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4138 SdHoareTripleChecker+Valid, 7588 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:12:10,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4138 Valid, 7588 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1661 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-12-14 12:12:10,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390148 states. [2022-12-14 12:12:26,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390148 to 389866. [2022-12-14 12:12:26,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389866 states, 244575 states have (on average 1.3852029029949913) internal successors, (338786), 263441 states have internal predecessors, (338786), 115739 states have call successors, (115739), 29461 states have call predecessors, (115739), 29551 states have return successors, (189817), 110398 states have call predecessors, (189817), 115729 states have call successors, (189817) [2022-12-14 12:12:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389866 states to 389866 states and 644342 transitions. [2022-12-14 12:12:29,453 INFO L78 Accepts]: Start accepts. Automaton has 389866 states and 644342 transitions. Word has length 613 [2022-12-14 12:12:29,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:12:29,454 INFO L495 AbstractCegarLoop]: Abstraction has 389866 states and 644342 transitions. [2022-12-14 12:12:29,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 12:12:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 389866 states and 644342 transitions. [2022-12-14 12:12:29,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2022-12-14 12:12:29,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:12:29,460 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 11, 11, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:12:29,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 12:12:29,460 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:12:29,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:12:29,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1402482403, now seen corresponding path program 1 times [2022-12-14 12:12:29,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:12:29,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812700569] [2022-12-14 12:12:29,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:12:29,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:12:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:12:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 7971 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7971 trivial. 0 not checked. [2022-12-14 12:12:30,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:12:30,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812700569] [2022-12-14 12:12:30,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812700569] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:12:30,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:12:30,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:12:30,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16700386] [2022-12-14 12:12:30,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:12:30,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:12:30,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:12:30,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:12:30,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:12:30,044 INFO L87 Difference]: Start difference. First operand 389866 states and 644342 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-12-14 12:12:49,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:12:49,718 INFO L93 Difference]: Finished difference Result 805433 states and 1325691 transitions. [2022-12-14 12:12:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:12:49,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 627 [2022-12-14 12:12:49,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:12:51,881 INFO L225 Difference]: With dead ends: 805433 [2022-12-14 12:12:51,881 INFO L226 Difference]: Without dead ends: 415673 [2022-12-14 12:12:53,457 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 12:12:53,458 INFO L413 NwaCegarLoop]: 2625 mSDtfsCounter, 2043 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2043 SdHoareTripleChecker+Valid, 4449 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:12:53,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2043 Valid, 4449 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 12:12:53,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415673 states. [2022-12-14 12:13:10,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415673 to 415488. [2022-12-14 12:13:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415488 states, 263628 states have (on average 1.3933269607173744) internal successors, (367320), 283146 states have internal predecessors, (367320), 120410 states have call successors, (120410), 31294 states have call predecessors, (120410), 31449 states have return successors, (193423), 114410 states have call predecessors, (193423), 120400 states have call successors, (193423) [2022-12-14 12:13:13,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415488 states to 415488 states and 681153 transitions. [2022-12-14 12:13:13,591 INFO L78 Accepts]: Start accepts. Automaton has 415488 states and 681153 transitions. Word has length 627 [2022-12-14 12:13:13,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:13:13,592 INFO L495 AbstractCegarLoop]: Abstraction has 415488 states and 681153 transitions. [2022-12-14 12:13:13,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-12-14 12:13:13,592 INFO L276 IsEmpty]: Start isEmpty. Operand 415488 states and 681153 transitions. [2022-12-14 12:13:13,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2022-12-14 12:13:13,597 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:13:13,597 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 46, 46, 46, 46, 46, 46, 11, 11, 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] [2022-12-14 12:13:13,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 12:13:13,598 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:13:13,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:13:13,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1185460303, now seen corresponding path program 1 times [2022-12-14 12:13:13,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:13:13,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055375409] [2022-12-14 12:13:13,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:13:13,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:13:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:13:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10523 trivial. 0 not checked. [2022-12-14 12:13:14,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:13:14,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055375409] [2022-12-14 12:13:14,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055375409] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:13:14,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:13:14,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:13:14,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747872679] [2022-12-14 12:13:14,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:13:14,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:13:14,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:13:14,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:13:14,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:13:14,084 INFO L87 Difference]: Start difference. First operand 415488 states and 681153 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 12:13:28,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:13:28,742 INFO L93 Difference]: Finished difference Result 418068 states and 683409 transitions. [2022-12-14 12:13:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:13:28,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 642 [2022-12-14 12:13:28,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:13:30,632 INFO L225 Difference]: With dead ends: 418068 [2022-12-14 12:13:30,632 INFO L226 Difference]: Without dead ends: 418064 [2022-12-14 12:13:30,784 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 12:13:30,784 INFO L413 NwaCegarLoop]: 1976 mSDtfsCounter, 1976 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 2020 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:13:30,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 2020 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 12:13:31,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418064 states. [2022-12-14 12:13:48,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418064 to 418062. [2022-12-14 12:13:49,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418062 states, 265238 states have (on average 1.3921496919747547) internal successors, (369251), 284754 states have internal predecessors, (369251), 120408 states have call successors, (120408), 32260 states have call predecessors, (120408), 32415 states have return successors, (193423), 114410 states have call predecessors, (193423), 120400 states have call successors, (193423) [2022-12-14 12:13:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418062 states to 418062 states and 683082 transitions. [2022-12-14 12:13:51,913 INFO L78 Accepts]: Start accepts. Automaton has 418062 states and 683082 transitions. Word has length 642 [2022-12-14 12:13:51,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:13:51,914 INFO L495 AbstractCegarLoop]: Abstraction has 418062 states and 683082 transitions. [2022-12-14 12:13:51,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 12:13:51,914 INFO L276 IsEmpty]: Start isEmpty. Operand 418062 states and 683082 transitions. [2022-12-14 12:13:51,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2022-12-14 12:13:51,919 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:13:51,919 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 46, 46, 46, 46, 46, 46, 11, 11, 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] [2022-12-14 12:13:51,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 12:13:51,919 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:13:51,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:13:51,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1904699376, now seen corresponding path program 1 times [2022-12-14 12:13:51,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:13:51,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929747986] [2022-12-14 12:13:51,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:13:51,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:13:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:13:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10523 trivial. 0 not checked. [2022-12-14 12:13:52,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:13:52,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929747986] [2022-12-14 12:13:52,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929747986] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:13:52,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:13:52,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:13:52,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083691516] [2022-12-14 12:13:52,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:13:52,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:13:52,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:13:52,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:13:52,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:13:52,544 INFO L87 Difference]: Start difference. First operand 418062 states and 683082 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 12:13:53,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:14:09,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:14:09,096 INFO L93 Difference]: Finished difference Result 418064 states and 683083 transitions. [2022-12-14 12:14:09,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:14:09,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 643 [2022-12-14 12:14:09,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:14:10,915 INFO L225 Difference]: With dead ends: 418064 [2022-12-14 12:14:10,915 INFO L226 Difference]: Without dead ends: 418061 [2022-12-14 12:14:11,225 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 12:14:11,226 INFO L413 NwaCegarLoop]: 1975 mSDtfsCounter, 2020 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:14:11,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 1975 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 12:14:11,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418061 states. [2022-12-14 12:14:30,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418061 to 418061. [2022-12-14 12:14:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418061 states, 265238 states have (on average 1.3921459217759145) internal successors, (369250), 284753 states have internal predecessors, (369250), 120407 states have call successors, (120407), 32260 states have call predecessors, (120407), 32415 states have return successors, (193423), 114410 states have call predecessors, (193423), 120400 states have call successors, (193423) [2022-12-14 12:14:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418061 states to 418061 states and 683080 transitions. [2022-12-14 12:14:33,185 INFO L78 Accepts]: Start accepts. Automaton has 418061 states and 683080 transitions. Word has length 643 [2022-12-14 12:14:33,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:14:33,186 INFO L495 AbstractCegarLoop]: Abstraction has 418061 states and 683080 transitions. [2022-12-14 12:14:33,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 12:14:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 418061 states and 683080 transitions. [2022-12-14 12:14:33,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-12-14 12:14:33,192 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:14:33,192 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 46, 46, 46, 46, 46, 46, 11, 11, 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] [2022-12-14 12:14:33,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 12:14:33,192 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:14:33,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:14:33,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1084593516, now seen corresponding path program 1 times [2022-12-14 12:14:33,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:14:33,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346638810] [2022-12-14 12:14:33,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:14:33,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:14:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:14:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 10523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10523 trivial. 0 not checked. [2022-12-14 12:14:33,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:14:33,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346638810] [2022-12-14 12:14:33,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346638810] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:14:33,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:14:33,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:14:33,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422200355] [2022-12-14 12:14:33,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:14:33,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:14:33,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:14:33,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:14:33,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:14:33,768 INFO L87 Difference]: Start difference. First operand 418061 states and 683080 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 12:14:35,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:14:52,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:14:52,631 INFO L93 Difference]: Finished difference Result 418063 states and 683081 transitions. [2022-12-14 12:14:52,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:14:52,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 644 [2022-12-14 12:14:52,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:14:54,716 INFO L225 Difference]: With dead ends: 418063 [2022-12-14 12:14:54,717 INFO L226 Difference]: Without dead ends: 418060 [2022-12-14 12:14:54,905 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 12:14:54,906 INFO L413 NwaCegarLoop]: 1973 mSDtfsCounter, 2017 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 1973 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:14:54,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2017 Valid, 1973 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 12:14:55,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418060 states. [2022-12-14 12:15:16,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418060 to 418060. [2022-12-14 12:15:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418060 states, 265238 states have (on average 1.3921421515770742) internal successors, (369249), 284752 states have internal predecessors, (369249), 120406 states have call successors, (120406), 32260 states have call predecessors, (120406), 32415 states have return successors, (193423), 114410 states have call predecessors, (193423), 120400 states have call successors, (193423) [2022-12-14 12:15:19,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418060 states to 418060 states and 683078 transitions. [2022-12-14 12:15:19,646 INFO L78 Accepts]: Start accepts. Automaton has 418060 states and 683078 transitions. Word has length 644 [2022-12-14 12:15:19,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:15:19,646 INFO L495 AbstractCegarLoop]: Abstraction has 418060 states and 683078 transitions. [2022-12-14 12:15:19,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 12:15:19,647 INFO L276 IsEmpty]: Start isEmpty. Operand 418060 states and 683078 transitions. [2022-12-14 12:15:19,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2022-12-14 12:15:19,652 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:15:19,652 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 46, 46, 46, 46, 46, 46, 11, 11, 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] [2022-12-14 12:15:19,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 12:15:19,653 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:15:19,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:15:19,653 INFO L85 PathProgramCache]: Analyzing trace with hash 736612211, now seen corresponding path program 1 times [2022-12-14 12:15:19,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:15:19,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007629398] [2022-12-14 12:15:19,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:15:19,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:15:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:15:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10523 trivial. 0 not checked. [2022-12-14 12:15:20,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:15:20,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007629398] [2022-12-14 12:15:20,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007629398] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:15:20,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:15:20,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:15:20,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054772257] [2022-12-14 12:15:20,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:15:20,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:15:20,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:15:20,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:15:20,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:15:20,352 INFO L87 Difference]: Start difference. First operand 418060 states and 683078 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 12:15:21,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 12:15:22,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []