./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--scsi--st.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/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_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/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_841957c6-de81-4200-bed7-c13f008246c4/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 5257f81555b3bfe28b84a069de5704350960a2d031d6c4979181f2692dbf025e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:53:55,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:53:55,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:53:55,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:53:55,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:53:55,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:53:55,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:53:55,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:53:55,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:53:55,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:53:55,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:53:55,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:53:55,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:53:55,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:53:55,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:53:55,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:53:55,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:53:55,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:53:55,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:53:55,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:53:55,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:53:55,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:53:55,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:53:55,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:53:55,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:53:55,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:53:55,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:53:55,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:53:55,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:53:55,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:53:55,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:53:55,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:53:55,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:53:55,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:53:55,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:53:55,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:53:55,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:53:55,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:53:55,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:53:55,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:53:55,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:53:55,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:53:55,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:53:55,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:53:55,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:53:55,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:53:55,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:53:55,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:53:55,100 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:53:55,100 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:53:55,100 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:53:55,100 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:53:55,101 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:53:55,101 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:53:55,101 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:53:55,101 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:53:55,101 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:53:55,101 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:53:55,101 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:53:55,101 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:53:55,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:53:55,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:53:55,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:53:55,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:53:55,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:53:55,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:53:55,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:53:55,103 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:53:55,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:53:55,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:53:55,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:53:55,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:53:55,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:53:55,103 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:53:55,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:53:55,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:53:55,104 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:53:55,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:53:55,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:53:55,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:53:55,104 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_841957c6-de81-4200-bed7-c13f008246c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5257f81555b3bfe28b84a069de5704350960a2d031d6c4979181f2692dbf025e [2022-12-14 09:53:55,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:53:55,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:53:55,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:53:55,293 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:53:55,293 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:53:55,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2022-12-14 09:53:57,946 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:53:58,366 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:53:58,366 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2022-12-14 09:53:58,396 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/data/4357e333c/6cb57897b02c4faf9145da79c10c4f3c/FLAGeb1acb18b [2022-12-14 09:53:58,407 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/data/4357e333c/6cb57897b02c4faf9145da79c10c4f3c [2022-12-14 09:53:58,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:53:58,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:53:58,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:53:58,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:53:58,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:53:58,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:53:58" (1/1) ... [2022-12-14 09:53:58,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19357f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:53:58, skipping insertion in model container [2022-12-14 09:53:58,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:53:58" (1/1) ... [2022-12-14 09:53:58,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:53:58,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:53:58,889 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:53:58,964 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 09:53:59,258 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:53:59,270 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 09:53:59,275 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 09:53:59,284 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:53:59,307 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 09:53:59,339 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:53:59,341 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:53:59,342 WARN L623 FunctionHandler]: Unknown extern function idr_find_slowpath [2022-12-14 09:53:59,360 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:53:59,394 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:53:59,401 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:53:59,496 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 09:53:59,496 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:53:59,497 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 09:53:59,501 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 09:53:59,501 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:53:59,501 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 09:53:59,652 WARN L623 FunctionHandler]: Unknown extern function scsi_device_get [2022-12-14 09:53:59,657 WARN L623 FunctionHandler]: Unknown extern function scsi_device_put [2022-12-14 09:53:59,664 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 09:53:59,665 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 09:53:59,666 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 09:53:59,675 WARN L623 FunctionHandler]: Unknown extern function scsi_normalize_sense [2022-12-14 09:53:59,676 WARN L623 FunctionHandler]: Unknown extern function scsi_get_sense_info_fld [2022-12-14 09:53:59,678 WARN L623 FunctionHandler]: Unknown extern function scsi_sense_desc_find [2022-12-14 09:53:59,684 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,685 WARN L623 FunctionHandler]: Unknown extern function __scsi_print_sense [2022-12-14 09:53:59,686 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,687 WARN L623 FunctionHandler]: Unknown extern function __scsi_print_sense [2022-12-14 09:53:59,692 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,697 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,702 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:53:59,706 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 09:53:59,716 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 09:53:59,716 WARN L623 FunctionHandler]: Unknown extern function blk_rq_unmap_user [2022-12-14 09:53:59,716 WARN L623 FunctionHandler]: Unknown extern function __blk_put_request [2022-12-14 09:53:59,721 WARN L623 FunctionHandler]: Unknown extern function blk_get_request [2022-12-14 09:53:59,721 WARN L623 FunctionHandler]: Unknown extern function blk_rq_set_block_pc [2022-12-14 09:53:59,722 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_user [2022-12-14 09:53:59,722 WARN L623 FunctionHandler]: Unknown extern function blk_put_request [2022-12-14 09:53:59,723 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 09:53:59,724 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 09:53:59,724 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 09:53:59,726 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq_nowait [2022-12-14 09:53:59,731 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,735 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 09:53:59,740 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 09:53:59,743 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,748 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,750 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,756 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,759 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,773 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,777 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,778 WARN L623 FunctionHandler]: Unknown extern function scsi_set_medium_removal [2022-12-14 09:53:59,789 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 09:53:59,795 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,799 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,801 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,802 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,803 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,805 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,806 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,816 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,817 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,817 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,819 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,827 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,828 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_get_device [2022-12-14 09:53:59,829 WARN L623 FunctionHandler]: Unknown extern function scsi_block_when_processing_errors [2022-12-14 09:53:59,829 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,831 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 09:53:59,837 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,838 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,839 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,841 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,841 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,848 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 09:53:59,853 WARN L623 FunctionHandler]: Unknown extern function scsi_block_when_processing_errors [2022-12-14 09:53:59,854 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,861 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,871 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,873 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,878 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,880 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,881 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,882 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,891 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,893 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,894 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,894 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,896 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,897 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,897 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,898 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,905 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,909 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,916 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,916 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,917 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,918 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,918 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,924 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,929 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,930 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,932 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,932 WARN L623 FunctionHandler]: Unknown extern function blk_queue_rq_timeout [2022-12-14 09:53:59,933 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,934 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,934 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,935 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,936 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,936 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,937 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,938 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,939 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,953 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,954 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,954 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,956 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,956 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,962 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,963 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,963 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,969 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,971 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:53:59,977 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,978 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,979 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,980 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,981 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,982 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,983 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,984 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,987 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,988 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:53:59,989 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,001 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,003 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,008 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,009 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,010 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,017 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,018 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,023 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,024 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,025 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,026 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,027 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,028 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,033 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,034 WARN L623 FunctionHandler]: Unknown extern function scsi_ioctl_block_when_processing_errors [2022-12-14 09:54:00,035 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:54:00,035 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,045 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:54:00,046 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-14 09:54:00,046 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-14 09:54:00,046 WARN L623 FunctionHandler]: Unknown extern function scsi_ioctl [2022-12-14 09:54:00,056 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,057 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,060 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 09:54:00,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,075 WARN L623 FunctionHandler]: Unknown extern function cdev_alloc [2022-12-14 09:54:00,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,076 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-14 09:54:00,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,078 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 09:54:00,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,080 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 09:54:00,085 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-14 09:54:00,090 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-14 09:54:00,091 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 09:54:00,091 WARN L623 FunctionHandler]: Unknown extern function device_unregister [2022-12-14 09:54:00,092 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,093 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,093 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_get_device [2022-12-14 09:54:00,093 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,094 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 09:54:00,094 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,094 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,095 WARN L623 FunctionHandler]: Unknown extern function blk_get_queue [2022-12-14 09:54:00,096 WARN L623 FunctionHandler]: Unknown extern function blk_queue_rq_timeout [2022-12-14 09:54:00,098 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:54:00,098 WARN L623 FunctionHandler]: Unknown extern function idr_preload [2022-12-14 09:54:00,098 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-12-14 09:54:00,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,099 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,099 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,100 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 09:54:00,100 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,100 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,101 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,101 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-14 09:54:00,101 WARN L623 FunctionHandler]: Unknown extern function blk_put_queue [2022-12-14 09:54:00,102 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:54:00,102 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,102 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,102 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 09:54:00,103 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_get_device [2022-12-14 09:54:00,103 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-14 09:54:00,104 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,104 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,105 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:54:00,105 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,105 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,109 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,110 WARN L623 FunctionHandler]: Unknown extern function __class_register [2022-12-14 09:54:00,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,110 WARN L623 FunctionHandler]: Unknown extern function register_chrdev_region [2022-12-14 09:54:00,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,111 WARN L623 FunctionHandler]: Unknown extern function scsi_register_driver [2022-12-14 09:54:00,111 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 09:54:00,111 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 09:54:00,111 WARN L623 FunctionHandler]: Unknown extern function class_unregister [2022-12-14 09:54:00,116 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 09:54:00,116 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 09:54:00,116 WARN L623 FunctionHandler]: Unknown extern function class_unregister [2022-12-14 09:54:00,116 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,134 WARN L623 FunctionHandler]: Unknown extern function driver_create_file [2022-12-14 09:54:00,135 WARN L623 FunctionHandler]: Unknown extern function driver_create_file [2022-12-14 09:54:00,135 WARN L623 FunctionHandler]: Unknown extern function driver_create_file [2022-12-14 09:54:00,135 WARN L623 FunctionHandler]: Unknown extern function driver_create_file [2022-12-14 09:54:00,135 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,135 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,136 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,136 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,136 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,136 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,136 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,167 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,172 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,177 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,194 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,199 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,204 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,209 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,213 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,218 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,225 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,227 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_unlocked [2022-12-14 09:54:00,228 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 09:54:00,228 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,229 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 09:54:00,229 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,245 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:54:00,250 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 09:54:00,254 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,255 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,255 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,255 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,255 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,256 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 09:54:00,256 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,256 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,257 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,257 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,257 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,257 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:54:00,257 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,258 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:54:00,258 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,258 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:54:00,259 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,259 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,259 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,259 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,264 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_841957c6-de81-4200-bed7-c13f008246c4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i[348142,348155] [2022-12-14 09:54:00,459 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,459 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,464 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,465 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,466 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,472 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,473 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-12-14 09:54:00,475 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:54:00,507 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:54:00,573 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:54:00,575 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 09:54:00,580 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:54:00,580 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 09:54:00,580 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 09:54:00,581 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:54:00,582 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 09:54:00,583 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:54:00,584 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:54:00,584 WARN L623 FunctionHandler]: Unknown extern function idr_find_slowpath [2022-12-14 09:54:00,586 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,588 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:54:00,589 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:54:00,593 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 09:54:00,593 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:54:00,593 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 09:54:00,594 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 09:54:00,594 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:54:00,594 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 09:54:00,598 WARN L623 FunctionHandler]: Unknown extern function scsi_device_get [2022-12-14 09:54:00,599 WARN L623 FunctionHandler]: Unknown extern function scsi_device_put [2022-12-14 09:54:00,601 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 09:54:00,602 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 09:54:00,602 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 09:54:00,603 WARN L623 FunctionHandler]: Unknown extern function scsi_normalize_sense [2022-12-14 09:54:00,604 WARN L623 FunctionHandler]: Unknown extern function scsi_get_sense_info_fld [2022-12-14 09:54:00,605 WARN L623 FunctionHandler]: Unknown extern function scsi_sense_desc_find [2022-12-14 09:54:00,607 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,608 WARN L623 FunctionHandler]: Unknown extern function __scsi_print_sense [2022-12-14 09:54:00,608 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,609 WARN L623 FunctionHandler]: Unknown extern function __scsi_print_sense [2022-12-14 09:54:00,640 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,644 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,644 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,645 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 09:54:00,649 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 09:54:00,649 WARN L623 FunctionHandler]: Unknown extern function blk_rq_unmap_user [2022-12-14 09:54:00,650 WARN L623 FunctionHandler]: Unknown extern function __blk_put_request [2022-12-14 09:54:00,654 WARN L623 FunctionHandler]: Unknown extern function blk_get_request [2022-12-14 09:54:00,655 WARN L623 FunctionHandler]: Unknown extern function blk_rq_set_block_pc [2022-12-14 09:54:00,656 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_user [2022-12-14 09:54:00,657 WARN L623 FunctionHandler]: Unknown extern function blk_put_request [2022-12-14 09:54:00,657 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 09:54:00,658 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 09:54:00,658 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-12-14 09:54:00,659 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq_nowait [2022-12-14 09:54:00,661 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,663 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 09:54:00,664 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 09:54:00,665 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,666 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,667 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,667 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,669 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,672 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,672 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,673 WARN L623 FunctionHandler]: Unknown extern function scsi_set_medium_removal [2022-12-14 09:54:00,675 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 09:54:00,676 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,679 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,680 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,680 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,681 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,682 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,682 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,683 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,683 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,684 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,685 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,686 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,687 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_get_device [2022-12-14 09:54:00,687 WARN L623 FunctionHandler]: Unknown extern function scsi_block_when_processing_errors [2022-12-14 09:54:00,687 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,689 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 09:54:00,690 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,690 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,691 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,692 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,693 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,694 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 09:54:00,695 WARN L623 FunctionHandler]: Unknown extern function scsi_block_when_processing_errors [2022-12-14 09:54:00,695 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,698 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,700 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,701 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,704 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,705 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,706 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,706 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,710 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,711 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,712 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,713 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,713 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,714 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,714 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,715 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,717 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,719 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,721 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,721 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,721 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,722 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,722 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,723 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,726 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,726 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,727 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,727 WARN L623 FunctionHandler]: Unknown extern function blk_queue_rq_timeout [2022-12-14 09:54:00,727 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,728 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,728 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,729 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,729 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,730 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,730 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,731 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,731 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,734 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,735 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,735 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,747 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,747 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,749 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,749 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,750 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,752 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,753 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:54:00,758 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,759 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,760 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,761 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,761 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,762 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,763 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,764 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,766 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,767 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,767 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,774 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,776 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,777 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,778 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,779 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,783 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,783 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,784 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,785 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,786 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,786 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,787 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,788 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,789 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,790 WARN L623 FunctionHandler]: Unknown extern function scsi_ioctl_block_when_processing_errors [2022-12-14 09:54:00,791 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:54:00,791 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,801 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:54:00,801 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-14 09:54:00,803 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-14 09:54:00,804 WARN L623 FunctionHandler]: Unknown extern function scsi_ioctl [2022-12-14 09:54:00,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,809 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,811 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 09:54:00,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,814 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,818 WARN L623 FunctionHandler]: Unknown extern function cdev_alloc [2022-12-14 09:54:00,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,818 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-14 09:54:00,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,819 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 09:54:00,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,820 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 09:54:00,821 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-12-14 09:54:00,821 WARN L623 FunctionHandler]: Unknown extern function sysfs_remove_link [2022-12-14 09:54:00,822 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 09:54:00,822 WARN L623 FunctionHandler]: Unknown extern function device_unregister [2022-12-14 09:54:00,823 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,823 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,824 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_get_device [2022-12-14 09:54:00,824 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,824 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 09:54:00,825 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,825 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,826 WARN L623 FunctionHandler]: Unknown extern function blk_get_queue [2022-12-14 09:54:00,829 WARN L623 FunctionHandler]: Unknown extern function blk_queue_rq_timeout [2022-12-14 09:54:00,831 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:54:00,831 WARN L623 FunctionHandler]: Unknown extern function idr_preload [2022-12-14 09:54:00,831 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-12-14 09:54:00,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,831 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,831 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,832 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 09:54:00,832 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,832 WARN L623 FunctionHandler]: Unknown extern function sdev_prefix_printk [2022-12-14 09:54:00,832 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,833 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-14 09:54:00,833 WARN L623 FunctionHandler]: Unknown extern function blk_put_queue [2022-12-14 09:54:00,833 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:54:00,833 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,834 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,834 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_put_device [2022-12-14 09:54:00,834 WARN L623 FunctionHandler]: Unknown extern function scsi_autopm_get_device [2022-12-14 09:54:00,835 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-14 09:54:00,835 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,835 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,835 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:54:00,835 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,836 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,836 WARN L623 FunctionHandler]: Unknown extern function __class_register [2022-12-14 09:54:00,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,837 WARN L623 FunctionHandler]: Unknown extern function register_chrdev_region [2022-12-14 09:54:00,837 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,837 WARN L623 FunctionHandler]: Unknown extern function scsi_register_driver [2022-12-14 09:54:00,837 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 09:54:00,837 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 09:54:00,837 WARN L623 FunctionHandler]: Unknown extern function class_unregister [2022-12-14 09:54:00,837 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 09:54:00,838 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 09:54:00,838 WARN L623 FunctionHandler]: Unknown extern function class_unregister [2022-12-14 09:54:00,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:54:00,839 WARN L623 FunctionHandler]: Unknown extern function driver_create_file [2022-12-14 09:54:00,840 WARN L623 FunctionHandler]: Unknown extern function driver_create_file [2022-12-14 09:54:00,840 WARN L623 FunctionHandler]: Unknown extern function driver_create_file [2022-12-14 09:54:00,840 WARN L623 FunctionHandler]: Unknown extern function driver_create_file [2022-12-14 09:54:00,840 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,840 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,840 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,841 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,841 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,841 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,841 WARN L623 FunctionHandler]: Unknown extern function driver_remove_file [2022-12-14 09:54:00,849 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,850 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,851 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,852 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,853 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,853 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,854 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,855 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,856 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,857 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:54:00,859 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_unlocked [2022-12-14 09:54:00,859 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 09:54:00,860 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,860 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 09:54:00,860 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:54:00,866 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:54:00,872 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 09:54:00,875 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,875 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,876 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,876 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,876 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,876 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 09:54:00,876 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,877 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,886 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,886 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,886 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,887 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:54:00,887 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,887 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:54:00,888 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,888 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 09:54:00,888 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,888 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,888 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 09:54:00,889 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:54:00,889 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_841957c6-de81-4200-bed7-c13f008246c4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i[348142,348155] [2022-12-14 09:54:00,898 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,898 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,899 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,899 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,900 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,900 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,900 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-12-14 09:54:00,902 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:54:00,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:54:00,954 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:54:00,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00 WrapperNode [2022-12-14 09:54:00,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:54:00,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:54:00,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:54:00,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:54:00,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (1/1) ... [2022-12-14 09:54:01,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (1/1) ... [2022-12-14 09:54:01,239 INFO L138 Inliner]: procedures = 338, calls = 4549, calls flagged for inlining = 145, calls inlined = 135, statements flattened = 9729 [2022-12-14 09:54:01,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:54:01,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:54:01,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:54:01,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:54:01,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (1/1) ... [2022-12-14 09:54:01,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (1/1) ... [2022-12-14 09:54:01,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (1/1) ... [2022-12-14 09:54:01,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (1/1) ... [2022-12-14 09:54:01,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (1/1) ... [2022-12-14 09:54:01,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (1/1) ... [2022-12-14 09:54:01,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (1/1) ... [2022-12-14 09:54:01,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (1/1) ... [2022-12-14 09:54:01,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:54:01,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:54:01,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:54:01,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:54:01,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (1/1) ... [2022-12-14 09:54:01,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:54:01,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:54:01,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:54:01,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:54:01,704 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_print_sense [2022-12-14 09:54:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_print_sense [2022-12-14 09:54:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 09:54:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 09:54:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-12-14 09:54:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-12-14 09:54:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-12-14 09:54:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 09:54:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 09:54:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2022-12-14 09:54:01,705 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2022-12-14 09:54:01,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 09:54:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 09:54:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 09:54:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 09:54:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure find_partition [2022-12-14 09:54:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure find_partition [2022-12-14 09:54:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-14 09:54:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-14 09:54:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2022-12-14 09:54:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2022-12-14 09:54:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 09:54:01,706 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 09:54:01,706 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 09:54:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 09:54:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 09:54:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 09:54:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2022-12-14 09:54:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2022-12-14 09:54:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 09:54:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 09:54:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 09:54:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 09:54:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2022-12-14 09:54:01,707 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2022-12-14 09:54:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 09:54:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 09:54:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 09:54:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 09:54:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure st_int_ioctl [2022-12-14 09:54:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure st_int_ioctl [2022-12-14 09:54:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_rq_timeout [2022-12-14 09:54:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_rq_timeout [2022-12-14 09:54:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure set_mode_densblk [2022-12-14 09:54:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mode_densblk [2022-12-14 09:54:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 09:54:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 09:54:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2022-12-14 09:54:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2022-12-14 09:54:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:54:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2022-12-14 09:54:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2022-12-14 09:54:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_st_ref_mutex [2022-12-14 09:54:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_st_ref_mutex [2022-12-14 09:54:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure read_mode_page [2022-12-14 09:54:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mode_page [2022-12-14 09:54:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2022-12-14 09:54:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2022-12-14 09:54:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:54:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-12-14 09:54:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-12-14 09:54:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 09:54:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure st_do_scsi [2022-12-14 09:54:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure st_do_scsi [2022-12-14 09:54:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-12-14 09:54:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 09:54:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 09:54:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-12-14 09:54:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-12-14 09:54:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-12-14 09:54:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-12-14 09:54:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2022-12-14 09:54:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2022-12-14 09:54:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-12-14 09:54:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-12-14 09:54:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:54:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure st_release_request [2022-12-14 09:54:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure st_release_request [2022-12-14 09:54:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:54:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cdevs [2022-12-14 09:54:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cdevs [2022-12-14 09:54:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 09:54:01,710 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 09:54:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure get_location [2022-12-14 09:54:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure get_location [2022-12-14 09:54:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure st_compression [2022-12-14 09:54:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure st_compression [2022-12-14 09:54:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_put_device [2022-12-14 09:54:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_put_device [2022-12-14 09:54:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-12-14 09:54:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-12-14 09:54:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-12-14 09:54:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-12-14 09:54:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 09:54:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 09:54:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 09:54:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 09:54:01,711 INFO L130 BoogieDeclarations]: Found specification of procedure check_tape [2022-12-14 09:54:01,732 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tape [2022-12-14 09:54:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 09:54:01,732 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 09:54:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure switch_partition [2022-12-14 09:54:01,732 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_partition [2022-12-14 09:54:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_scsi_tape [2022-12-14 09:54:01,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_scsi_tape [2022-12-14 09:54:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 09:54:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure setup_buffering [2022-12-14 09:54:01,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_buffering [2022-12-14 09:54:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-12-14 09:54:01,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-12-14 09:54:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_tape_put [2022-12-14 09:54:01,734 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_tape_put [2022-12-14 09:54:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 09:54:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_ioctl [2022-12-14 09:54:01,734 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_ioctl [2022-12-14 09:54:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure st_log_options [2022-12-14 09:54:01,734 INFO L138 BoogieDeclarations]: Found implementation of procedure st_log_options [2022-12-14 09:54:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:54:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure create_one_cdev [2022-12-14 09:54:01,735 INFO L138 BoogieDeclarations]: Found implementation of procedure create_one_cdev [2022-12-14 09:54:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure queue_dma_alignment [2022-12-14 09:54:01,735 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_dma_alignment [2022-12-14 09:54:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure do_load_unload [2022-12-14 09:54:01,735 INFO L138 BoogieDeclarations]: Found implementation of procedure do_load_unload [2022-12-14 09:54:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush_write_buffer [2022-12-14 09:54:01,735 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush_write_buffer [2022-12-14 09:54:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 09:54:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 09:54:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure enlarge_buffer [2022-12-14 09:54:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure enlarge_buffer [2022-12-14 09:54:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2022-12-14 09:54:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2022-12-14 09:54:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure st_chk_result [2022-12-14 09:54:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure st_chk_result [2022-12-14 09:54:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 09:54:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 09:54:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure write_behind_check [2022-12-14 09:54:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure write_behind_check [2022-12-14 09:54:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:54:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 09:54:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 09:54:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-14 09:54:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-14 09:54:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 09:54:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 09:54:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-12-14 09:54:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-12-14 09:54:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 09:54:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 09:54:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_st_ref_mutex [2022-12-14 09:54:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_st_ref_mutex [2022-12-14 09:54:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:54:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 09:54:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 09:54:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 09:54:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 09:54:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:54:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure deb_space_print [2022-12-14 09:54:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure deb_space_print [2022-12-14 09:54:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 09:54:01,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 09:54:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-12-14 09:54:01,740 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-12-14 09:54:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-12-14 09:54:01,740 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-12-14 09:54:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:54:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 09:54:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2022-12-14 09:54:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2022-12-14 09:54:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure release_buffering [2022-12-14 09:54:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure release_buffering [2022-12-14 09:54:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-12-14 09:54:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-12-14 09:54:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2022-12-14 09:54:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2022-12-14 09:54:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_page [2022-12-14 09:54:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_page [2022-12-14 09:54:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure st_flush [2022-12-14 09:54:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure st_flush [2022-12-14 09:54:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 09:54:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 09:54:01,741 INFO L130 BoogieDeclarations]: Found specification of procedure rw_checks [2022-12-14 09:54:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure rw_checks [2022-12-14 09:54:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-12-14 09:54:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-12-14 09:54:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-12-14 09:54:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-12-14 09:54:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2022-12-14 09:54:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_scsi_tape [2022-12-14 09:54:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure st_write [2022-12-14 09:54:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure st_write [2022-12-14 09:54:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 09:54:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 09:54:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:54:01,742 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_autopm_get_device [2022-12-14 09:54:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_autopm_get_device [2022-12-14 09:54:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure set_location [2022-12-14 09:54:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure set_location [2022-12-14 09:54:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:54:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:54:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 09:54:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 09:54:02,471 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:54:02,473 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:54:02,540 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 09:54:11,541 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:54:14,926 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:54:14,926 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 09:54:14,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:54:14 BoogieIcfgContainer [2022-12-14 09:54:14,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:54:14,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:54:14,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:54:14,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:54:14,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:53:58" (1/3) ... [2022-12-14 09:54:14,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbe638e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:54:14, skipping insertion in model container [2022-12-14 09:54:14,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:54:00" (2/3) ... [2022-12-14 09:54:14,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbe638e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:54:14, skipping insertion in model container [2022-12-14 09:54:14,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:54:14" (3/3) ... [2022-12-14 09:54:14,936 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--st.ko-entry_point.cil.out.i [2022-12-14 09:54:14,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:54:14,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:54:15,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:54:15,019 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;@35eef308, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:54:15,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:54:15,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 2054 states, 1402 states have (on average 1.44793152639087) internal successors, (2030), 1450 states have internal predecessors, (2030), 560 states have call successors, (560), 91 states have call predecessors, (560), 90 states have return successors, (537), 536 states have call predecessors, (537), 537 states have call successors, (537) [2022-12-14 09:54:15,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2022-12-14 09:54:15,056 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:54:15,057 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:54:15,057 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:54:15,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:54:15,061 INFO L85 PathProgramCache]: Analyzing trace with hash -443770097, now seen corresponding path program 1 times [2022-12-14 09:54:15,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:54:15,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717217035] [2022-12-14 09:54:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:54:15,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:54:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:54:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 16726 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16726 trivial. 0 not checked. [2022-12-14 09:54:16,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:54:16,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717217035] [2022-12-14 09:54:16,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717217035] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:54:16,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:54:16,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:54:16,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301293489] [2022-12-14 09:54:16,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:54:16,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:54:16,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:54:16,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:54:16,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:54:16,377 INFO L87 Difference]: Start difference. First operand has 2054 states, 1402 states have (on average 1.44793152639087) internal successors, (2030), 1450 states have internal predecessors, (2030), 560 states have call successors, (560), 91 states have call predecessors, (560), 90 states have return successors, (537), 536 states have call predecessors, (537), 537 states have call successors, (537) Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-14 09:54:18,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:21,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:25,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:54:29,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:33,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:35,396 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 09:54:37,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:54:37,208 INFO L93 Difference]: Finished difference Result 5745 states and 8803 transitions. [2022-12-14 09:54:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:54:37,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 794 [2022-12-14 09:54:37,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:54:37,239 INFO L225 Difference]: With dead ends: 5745 [2022-12-14 09:54:37,240 INFO L226 Difference]: Without dead ends: 3777 [2022-12-14 09:54:37,250 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 09:54:37,252 INFO L413 NwaCegarLoop]: 3224 mSDtfsCounter, 2686 mSDsluCounter, 2767 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2700 SdHoareTripleChecker+Valid, 5991 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:54:37,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2700 Valid, 5991 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 697 Invalid, 5 Unknown, 0 Unchecked, 20.5s Time] [2022-12-14 09:54:37,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3777 states. [2022-12-14 09:54:37,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3777 to 3757. [2022-12-14 09:54:37,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3757 states, 2632 states have (on average 1.4430091185410334) internal successors, (3798), 2669 states have internal predecessors, (3798), 951 states have call successors, (951), 174 states have call predecessors, (951), 173 states have return successors, (956), 938 states have call predecessors, (956), 942 states have call successors, (956) [2022-12-14 09:54:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 5705 transitions. [2022-12-14 09:54:37,433 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 5705 transitions. Word has length 794 [2022-12-14 09:54:37,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:54:37,435 INFO L495 AbstractCegarLoop]: Abstraction has 3757 states and 5705 transitions. [2022-12-14 09:54:37,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (74), 2 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2022-12-14 09:54:37,435 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 5705 transitions. [2022-12-14 09:54:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2022-12-14 09:54:37,452 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:54:37,452 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:54:37,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:54:37,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:54:37,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:54:37,453 INFO L85 PathProgramCache]: Analyzing trace with hash 529599730, now seen corresponding path program 1 times [2022-12-14 09:54:37,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:54:37,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589100425] [2022-12-14 09:54:37,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:54:37,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:54:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:54:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 16726 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16726 trivial. 0 not checked. [2022-12-14 09:54:38,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:54:38,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589100425] [2022-12-14 09:54:38,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589100425] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:54:38,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:54:38,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:54:38,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285379883] [2022-12-14 09:54:38,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:54:38,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:54:38,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:54:38,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:54:38,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:54:38,485 INFO L87 Difference]: Start difference. First operand 3757 states and 5705 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 09:54:42,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:44,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:54:46,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:54:50,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:52,225 WARN L539 Checker$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 09:54:55,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:57,217 WARN L539 Checker$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 09:55:00,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:55:01,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:55:01,101 INFO L93 Difference]: Finished difference Result 7285 states and 11068 transitions. [2022-12-14 09:55:01,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:55:01,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 790 [2022-12-14 09:55:01,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:55:01,135 INFO L225 Difference]: With dead ends: 7285 [2022-12-14 09:55:01,136 INFO L226 Difference]: Without dead ends: 7282 [2022-12-14 09:55:01,141 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 09:55:01,142 INFO L413 NwaCegarLoop]: 3235 mSDtfsCounter, 2803 mSDsluCounter, 2513 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2803 SdHoareTripleChecker+Valid, 5748 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:55:01,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2803 Valid, 5748 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 689 Invalid, 5 Unknown, 0 Unchecked, 22.4s Time] [2022-12-14 09:55:01,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7282 states. [2022-12-14 09:55:01,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7282 to 7276. [2022-12-14 09:55:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7276 states, 5139 states have (on average 1.4502821560614905) internal successors, (7453), 5201 states have internal predecessors, (7453), 1794 states have call successors, (1794), 343 states have call predecessors, (1794), 342 states have return successors, (1813), 1778 states have call predecessors, (1813), 1785 states have call successors, (1813) [2022-12-14 09:55:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7276 states to 7276 states and 11060 transitions. [2022-12-14 09:55:01,443 INFO L78 Accepts]: Start accepts. Automaton has 7276 states and 11060 transitions. Word has length 790 [2022-12-14 09:55:01,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:55:01,445 INFO L495 AbstractCegarLoop]: Abstraction has 7276 states and 11060 transitions. [2022-12-14 09:55:01,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 09:55:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 7276 states and 11060 transitions. [2022-12-14 09:55:01,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 792 [2022-12-14 09:55:01,455 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:55:01,456 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:55:01,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:55:01,456 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:55:01,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:55:01,457 INFO L85 PathProgramCache]: Analyzing trace with hash -763175473, now seen corresponding path program 1 times [2022-12-14 09:55:01,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:55:01,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594621499] [2022-12-14 09:55:01,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:55:01,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:55:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:55:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 16726 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16726 trivial. 0 not checked. [2022-12-14 09:55:02,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:55:02,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594621499] [2022-12-14 09:55:02,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594621499] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:55:02,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:55:02,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:55:02,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743748079] [2022-12-14 09:55:02,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:55:02,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:55:02,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:55:02,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:55:02,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:55:02,183 INFO L87 Difference]: Start difference. First operand 7276 states and 11060 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 09:55:05,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:07,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:55:09,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:55:10,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:12,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:14,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:18,646 WARN L539 Checker$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 09:55:21,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:23,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:55:24,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:55:24,208 INFO L93 Difference]: Finished difference Result 10836 states and 16468 transitions. [2022-12-14 09:55:24,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:55:24,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 791 [2022-12-14 09:55:24,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:55:24,247 INFO L225 Difference]: With dead ends: 10836 [2022-12-14 09:55:24,247 INFO L226 Difference]: Without dead ends: 10833 [2022-12-14 09:55:24,253 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 09:55:24,253 INFO L413 NwaCegarLoop]: 3243 mSDtfsCounter, 2824 mSDsluCounter, 2516 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2824 SdHoareTripleChecker+Valid, 5759 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:55:24,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2824 Valid, 5759 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 691 Invalid, 4 Unknown, 0 Unchecked, 21.8s Time] [2022-12-14 09:55:24,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10833 states. [2022-12-14 09:55:24,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10833 to 10826. [2022-12-14 09:55:24,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10826 states, 7663 states have (on average 1.452172778285267) internal successors, (11128), 7752 states have internal predecessors, (11128), 2649 states have call successors, (2649), 514 states have call predecessors, (2649), 513 states have return successors, (2682), 2630 states have call predecessors, (2682), 2640 states have call successors, (2682) [2022-12-14 09:55:24,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10826 states to 10826 states and 16459 transitions. [2022-12-14 09:55:24,616 INFO L78 Accepts]: Start accepts. Automaton has 10826 states and 16459 transitions. Word has length 791 [2022-12-14 09:55:24,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:55:24,616 INFO L495 AbstractCegarLoop]: Abstraction has 10826 states and 16459 transitions. [2022-12-14 09:55:24,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 09:55:24,617 INFO L276 IsEmpty]: Start isEmpty. Operand 10826 states and 16459 transitions. [2022-12-14 09:55:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 793 [2022-12-14 09:55:24,622 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:55:24,623 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:55:24,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:55:24,623 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:55:24,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:55:24,623 INFO L85 PathProgramCache]: Analyzing trace with hash 2110471061, now seen corresponding path program 1 times [2022-12-14 09:55:24,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:55:24,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080673625] [2022-12-14 09:55:24,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:55:24,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:55:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:55:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 16726 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16726 trivial. 0 not checked. [2022-12-14 09:55:25,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:55:25,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080673625] [2022-12-14 09:55:25,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080673625] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:55:25,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:55:25,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:55:25,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169773306] [2022-12-14 09:55:25,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:55:25,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:55:25,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:55:25,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:55:25,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:55:25,240 INFO L87 Difference]: Start difference. First operand 10826 states and 16459 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 09:55:27,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:31,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:34,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:55:36,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:38,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:41,632 WARN L539 Checker$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 09:55:44,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:55:45,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:55:45,381 INFO L93 Difference]: Finished difference Result 17532 states and 26533 transitions. [2022-12-14 09:55:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:55:45,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 792 [2022-12-14 09:55:45,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:55:45,460 INFO L225 Difference]: With dead ends: 17532 [2022-12-14 09:55:45,460 INFO L226 Difference]: Without dead ends: 17528 [2022-12-14 09:55:45,470 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 09:55:45,470 INFO L413 NwaCegarLoop]: 3210 mSDtfsCounter, 1825 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 5696 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:55:45,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 5696 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 709 Invalid, 5 Unknown, 0 Unchecked, 19.8s Time] [2022-12-14 09:55:45,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17528 states. [2022-12-14 09:55:45,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17528 to 17504. [2022-12-14 09:55:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17504 states, 12319 states have (on average 1.446140108775063) internal successors, (17815), 12501 states have internal predecessors, (17815), 4266 states have call successors, (4266), 925 states have call predecessors, (4266), 918 states have return successors, (4419), 4208 states have call predecessors, (4419), 4257 states have call successors, (4419) [2022-12-14 09:55:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17504 states to 17504 states and 26500 transitions. [2022-12-14 09:55:46,029 INFO L78 Accepts]: Start accepts. Automaton has 17504 states and 26500 transitions. Word has length 792 [2022-12-14 09:55:46,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:55:46,030 INFO L495 AbstractCegarLoop]: Abstraction has 17504 states and 26500 transitions. [2022-12-14 09:55:46,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 09:55:46,031 INFO L276 IsEmpty]: Start isEmpty. Operand 17504 states and 26500 transitions. [2022-12-14 09:55:46,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 794 [2022-12-14 09:55:46,035 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:55:46,036 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:55:46,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:55:46,036 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:55:46,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:55:46,036 INFO L85 PathProgramCache]: Analyzing trace with hash 999205266, now seen corresponding path program 1 times [2022-12-14 09:55:46,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:55:46,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26253071] [2022-12-14 09:55:46,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:55:46,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:55:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:55:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 16726 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16726 trivial. 0 not checked. [2022-12-14 09:55:46,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:55:46,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26253071] [2022-12-14 09:55:46,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26253071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:55:46,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:55:46,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:55:46,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659517550] [2022-12-14 09:55:46,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:55:46,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:55:46,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:55:46,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:55:46,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:55:46,687 INFO L87 Difference]: Start difference. First operand 17504 states and 26500 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 09:55:49,879 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 09:55:53,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:55,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:55:58,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:56:00,266 WARN L539 Checker$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 09:56:02,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:56:03,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:56:05,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:56:09,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:56:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:56:10,637 INFO L93 Difference]: Finished difference Result 18095 states and 27388 transitions. [2022-12-14 09:56:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:56:10,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 793 [2022-12-14 09:56:10,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:56:10,704 INFO L225 Difference]: With dead ends: 18095 [2022-12-14 09:56:10,704 INFO L226 Difference]: Without dead ends: 18092 [2022-12-14 09:56:10,714 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 09:56:10,714 INFO L413 NwaCegarLoop]: 3218 mSDtfsCounter, 2716 mSDsluCounter, 2522 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2744 SdHoareTripleChecker+Valid, 5740 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:56:10,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2744 Valid, 5740 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 695 Invalid, 7 Unknown, 0 Unchecked, 23.6s Time] [2022-12-14 09:56:10,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18092 states. [2022-12-14 09:56:11,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18092 to 18074. [2022-12-14 09:56:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18074 states, 12702 states have (on average 1.4450480239332388) internal successors, (18355), 12893 states have internal predecessors, (18355), 4388 states have call successors, (4388), 989 states have call predecessors, (4388), 983 states have return successors, (4604), 4324 states have call predecessors, (4604), 4379 states have call successors, (4604) [2022-12-14 09:56:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18074 states to 18074 states and 27347 transitions. [2022-12-14 09:56:11,359 INFO L78 Accepts]: Start accepts. Automaton has 18074 states and 27347 transitions. Word has length 793 [2022-12-14 09:56:11,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:56:11,360 INFO L495 AbstractCegarLoop]: Abstraction has 18074 states and 27347 transitions. [2022-12-14 09:56:11,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 09:56:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 18074 states and 27347 transitions. [2022-12-14 09:56:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2022-12-14 09:56:11,366 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:56:11,367 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:56:11,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 09:56:11,367 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:56:11,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:56:11,367 INFO L85 PathProgramCache]: Analyzing trace with hash 909708856, now seen corresponding path program 1 times [2022-12-14 09:56:11,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:56:11,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750105610] [2022-12-14 09:56:11,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:56:11,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:56:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:56:12,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16726 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16726 trivial. 0 not checked. [2022-12-14 09:56:12,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:56:12,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750105610] [2022-12-14 09:56:12,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750105610] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:56:12,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:56:12,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:56:12,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948617990] [2022-12-14 09:56:12,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:56:12,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:56:12,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:56:12,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:56:12,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:56:12,060 INFO L87 Difference]: Start difference. First operand 18074 states and 27347 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 09:56:13,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:56:17,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:56:21,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:56:25,036 WARN L539 Checker$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 09:56:28,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:56:32,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:56:33,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:56:33,452 INFO L93 Difference]: Finished difference Result 23302 states and 35096 transitions. [2022-12-14 09:56:33,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:56:33,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 794 [2022-12-14 09:56:33,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:56:33,528 INFO L225 Difference]: With dead ends: 23302 [2022-12-14 09:56:33,528 INFO L226 Difference]: Without dead ends: 23275 [2022-12-14 09:56:33,540 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 09:56:33,541 INFO L413 NwaCegarLoop]: 3120 mSDtfsCounter, 2689 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2689 SdHoareTripleChecker+Valid, 5563 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:56:33,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2689 Valid, 5563 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 672 Invalid, 5 Unknown, 0 Unchecked, 20.9s Time] [2022-12-14 09:56:33,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23275 states. [2022-12-14 09:56:34,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23275 to 23267. [2022-12-14 09:56:34,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23267 states, 16392 states have (on average 1.4451561737432894) internal successors, (23689), 16634 states have internal predecessors, (23689), 5540 states have call successors, (5540), 1350 states have call predecessors, (5540), 1334 states have return successors, (5802), 5447 states have call predecessors, (5802), 5531 states have call successors, (5802) [2022-12-14 09:56:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23267 states to 23267 states and 35031 transitions. [2022-12-14 09:56:34,297 INFO L78 Accepts]: Start accepts. Automaton has 23267 states and 35031 transitions. Word has length 794 [2022-12-14 09:56:34,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:56:34,298 INFO L495 AbstractCegarLoop]: Abstraction has 23267 states and 35031 transitions. [2022-12-14 09:56:34,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2022-12-14 09:56:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 23267 states and 35031 transitions. [2022-12-14 09:56:34,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2022-12-14 09:56:34,304 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:56:34,304 INFO L195 NwaCegarLoop]: trace histogram [58, 58, 58, 58, 58, 58, 58, 58, 58, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:56:34,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 09:56:34,305 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:56:34,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:56:34,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1348737404, now seen corresponding path program 1 times [2022-12-14 09:56:34,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:56:34,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779167762] [2022-12-14 09:56:34,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:56:34,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:56:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:56:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 16734 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16728 trivial. 0 not checked. [2022-12-14 09:56:34,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:56:34,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779167762] [2022-12-14 09:56:34,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779167762] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:56:34,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:56:34,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:56:34,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394223663] [2022-12-14 09:56:34,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:56:34,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:56:34,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:56:34,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:56:34,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:56:34,884 INFO L87 Difference]: Start difference. First operand 23267 states and 35031 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-12-14 09:56:36,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:56:41,657 WARN L539 Checker$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 09:56:45,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:56:48,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:56:50,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:56:52,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:56:53,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:56:55,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:56:55,139 INFO L93 Difference]: Finished difference Result 51364 states and 77338 transitions. [2022-12-14 09:56:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:56:55,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 819 [2022-12-14 09:56:55,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:56:55,252 INFO L225 Difference]: With dead ends: 51364 [2022-12-14 09:56:55,252 INFO L226 Difference]: Without dead ends: 28234 [2022-12-14 09:56:55,323 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 09:56:55,324 INFO L413 NwaCegarLoop]: 2936 mSDtfsCounter, 572 mSDsluCounter, 2700 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:56:55,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 5636 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 735 Invalid, 4 Unknown, 0 Unchecked, 19.6s Time] [2022-12-14 09:56:55,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28234 states. [2022-12-14 09:56:55,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28234 to 28189. [2022-12-14 09:56:56,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28189 states, 20094 states have (on average 1.4549119140041804) internal successors, (29235), 20436 states have internal predecessors, (29235), 6470 states have call successors, (6470), 1642 states have call predecessors, (6470), 1624 states have return successors, (6732), 6361 states have call predecessors, (6732), 6461 states have call successors, (6732) [2022-12-14 09:56:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28189 states to 28189 states and 42437 transitions. [2022-12-14 09:56:56,116 INFO L78 Accepts]: Start accepts. Automaton has 28189 states and 42437 transitions. Word has length 819 [2022-12-14 09:56:56,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:56:56,117 INFO L495 AbstractCegarLoop]: Abstraction has 28189 states and 42437 transitions. [2022-12-14 09:56:56,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-12-14 09:56:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 28189 states and 42437 transitions. [2022-12-14 09:56:56,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2022-12-14 09:56:56,125 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:56:56,125 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:56:56,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 09:56:56,125 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:56:56,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:56:56,126 INFO L85 PathProgramCache]: Analyzing trace with hash 54020955, now seen corresponding path program 1 times [2022-12-14 09:56:56,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:56:56,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527595815] [2022-12-14 09:56:56,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:56:56,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:56:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:56:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 18501 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18498 trivial. 0 not checked. [2022-12-14 09:56:56,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:56:56,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527595815] [2022-12-14 09:56:56,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527595815] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:56:56,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:56:56,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:56:56,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963407193] [2022-12-14 09:56:56,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:56:56,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:56:56,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:56:56,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:56:56,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:56:56,904 INFO L87 Difference]: Start difference. First operand 28189 states and 42437 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) [2022-12-14 09:56:58,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:57:00,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:57:02,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:57:06,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:57:10,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:57:12,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:57:14,780 WARN L539 Checker$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 09:57:16,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:57:19,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:57:22,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:57:22,171 INFO L93 Difference]: Finished difference Result 69735 states and 105139 transitions. [2022-12-14 09:57:22,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:57:22,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) Word has length 871 [2022-12-14 09:57:22,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:57:22,318 INFO L225 Difference]: With dead ends: 69735 [2022-12-14 09:57:22,318 INFO L226 Difference]: Without dead ends: 41683 [2022-12-14 09:57:22,391 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 09:57:22,392 INFO L413 NwaCegarLoop]: 3574 mSDtfsCounter, 2718 mSDsluCounter, 2674 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2732 SdHoareTripleChecker+Valid, 6248 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:57:22,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2732 Valid, 6248 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 735 Invalid, 6 Unknown, 0 Unchecked, 24.3s Time] [2022-12-14 09:57:22,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41683 states. [2022-12-14 09:57:23,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41683 to 41614. [2022-12-14 09:57:23,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41614 states, 29772 states have (on average 1.457241703614134) internal successors, (43385), 30276 states have internal predecessors, (43385), 9487 states have call successors, (9487), 2380 states have call predecessors, (9487), 2354 states have return successors, (9904), 9315 states have call predecessors, (9904), 9478 states have call successors, (9904) [2022-12-14 09:57:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41614 states to 41614 states and 62776 transitions. [2022-12-14 09:57:23,901 INFO L78 Accepts]: Start accepts. Automaton has 41614 states and 62776 transitions. Word has length 871 [2022-12-14 09:57:23,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:57:23,902 INFO L495 AbstractCegarLoop]: Abstraction has 41614 states and 62776 transitions. [2022-12-14 09:57:23,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (80), 3 states have call predecessors, (80), 3 states have call successors, (80) [2022-12-14 09:57:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 41614 states and 62776 transitions. [2022-12-14 09:57:23,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 873 [2022-12-14 09:57:23,919 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:57:23,919 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:57:23,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 09:57:23,919 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:57:23,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:57:23,920 INFO L85 PathProgramCache]: Analyzing trace with hash 9216257, now seen corresponding path program 1 times [2022-12-14 09:57:23,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:57:23,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818950111] [2022-12-14 09:57:23,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:57:23,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:57:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:57:24,804 INFO L134 CoverageAnalysis]: Checked inductivity of 18513 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18507 trivial. 0 not checked. [2022-12-14 09:57:24,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:57:24,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818950111] [2022-12-14 09:57:24,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818950111] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:57:24,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:57:24,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:57:24,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542441464] [2022-12-14 09:57:24,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:57:24,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:57:24,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:57:24,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:57:24,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:57:24,807 INFO L87 Difference]: Start difference. First operand 41614 states and 62776 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-12-14 09:57:26,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:57:32,493 WARN L539 Checker$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 09:57:35,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:57:38,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:57:40,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:57:44,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:57:46,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:57:46,942 INFO L93 Difference]: Finished difference Result 105203 states and 158030 transitions. [2022-12-14 09:57:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:57:46,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 872 [2022-12-14 09:57:46,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:57:47,164 INFO L225 Difference]: With dead ends: 105203 [2022-12-14 09:57:47,164 INFO L226 Difference]: Without dead ends: 63726 [2022-12-14 09:57:47,271 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 09:57:47,271 INFO L413 NwaCegarLoop]: 3328 mSDtfsCounter, 2063 mSDsluCounter, 2549 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 16 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2063 SdHoareTripleChecker+Valid, 5877 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:57:47,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2063 Valid, 5877 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 730 Invalid, 4 Unknown, 0 Unchecked, 20.7s Time] [2022-12-14 09:57:47,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63726 states. [2022-12-14 09:57:49,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63726 to 63679. [2022-12-14 09:57:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63679 states, 45490 states have (on average 1.4498351285996922) internal successors, (65953), 46223 states have internal predecessors, (65953), 14284 states have call successors, (14284), 3942 states have call predecessors, (14284), 3904 states have return successors, (14945), 14040 states have call predecessors, (14945), 14275 states have call successors, (14945) [2022-12-14 09:57:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63679 states to 63679 states and 95182 transitions. [2022-12-14 09:57:49,817 INFO L78 Accepts]: Start accepts. Automaton has 63679 states and 95182 transitions. Word has length 872 [2022-12-14 09:57:49,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:57:49,817 INFO L495 AbstractCegarLoop]: Abstraction has 63679 states and 95182 transitions. [2022-12-14 09:57:49,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-12-14 09:57:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 63679 states and 95182 transitions. [2022-12-14 09:57:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2022-12-14 09:57:49,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:57:49,827 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:57:49,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 09:57:49,827 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:57:49,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:57:49,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1521528113, now seen corresponding path program 1 times [2022-12-14 09:57:49,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:57:49,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139664403] [2022-12-14 09:57:49,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:57:49,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:57:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:57:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 18509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18509 trivial. 0 not checked. [2022-12-14 09:57:50,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:57:50,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139664403] [2022-12-14 09:57:50,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139664403] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:57:50,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:57:50,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:57:50,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561508043] [2022-12-14 09:57:50,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:57:50,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:57:50,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:57:50,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:57:50,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:57:50,510 INFO L87 Difference]: Start difference. First operand 63679 states and 95182 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-12-14 09:57:51,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:57:57,398 WARN L539 Checker$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 09:58:03,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:58:06,819 WARN L539 Checker$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 09:58:10,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:58:10,445 INFO L93 Difference]: Finished difference Result 127357 states and 190418 transitions. [2022-12-14 09:58:10,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:58:10,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 879 [2022-12-14 09:58:10,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:58:10,748 INFO L225 Difference]: With dead ends: 127357 [2022-12-14 09:58:10,748 INFO L226 Difference]: Without dead ends: 63823 [2022-12-14 09:58:10,921 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 09:58:10,921 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 6 mSDsluCounter, 2725 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5451 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:58:10,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5451 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 679 Invalid, 3 Unknown, 0 Unchecked, 17.8s Time] [2022-12-14 09:58:10,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63823 states. [2022-12-14 09:58:12,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63823 to 63703. [2022-12-14 09:58:12,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63703 states, 45514 states have (on average 1.449597925912906) internal successors, (65977), 46247 states have internal predecessors, (65977), 14284 states have call successors, (14284), 3942 states have call predecessors, (14284), 3904 states have return successors, (14945), 14040 states have call predecessors, (14945), 14275 states have call successors, (14945) [2022-12-14 09:58:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63703 states to 63703 states and 95206 transitions. [2022-12-14 09:58:12,882 INFO L78 Accepts]: Start accepts. Automaton has 63703 states and 95206 transitions. Word has length 879 [2022-12-14 09:58:12,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:58:12,883 INFO L495 AbstractCegarLoop]: Abstraction has 63703 states and 95206 transitions. [2022-12-14 09:58:12,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-12-14 09:58:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 63703 states and 95206 transitions. [2022-12-14 09:58:12,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2022-12-14 09:58:12,893 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:58:12,893 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:58:12,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 09:58:12,893 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:58:12,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:58:12,894 INFO L85 PathProgramCache]: Analyzing trace with hash -937238971, now seen corresponding path program 1 times [2022-12-14 09:58:12,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:58:12,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240211841] [2022-12-14 09:58:12,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:58:12,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:58:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:58:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 18510 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18509 trivial. 0 not checked. [2022-12-14 09:58:13,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:58:13,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240211841] [2022-12-14 09:58:13,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240211841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:58:13,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:58:13,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:58:13,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917144593] [2022-12-14 09:58:13,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:58:13,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:58:13,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:58:13,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:58:13,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:58:13,757 INFO L87 Difference]: Start difference. First operand 63703 states and 95206 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-12-14 09:58:15,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:17,039 WARN L539 Checker$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 09:58:22,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:27,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:58:29,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:58:31,847 WARN L539 Checker$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 09:58:33,867 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 09:58:35,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:58:35,986 INFO L93 Difference]: Finished difference Result 127381 states and 190418 transitions. [2022-12-14 09:58:35,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:58:35,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 881 [2022-12-14 09:58:35,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:58:36,233 INFO L225 Difference]: With dead ends: 127381 [2022-12-14 09:58:36,233 INFO L226 Difference]: Without dead ends: 63823 [2022-12-14 09:58:36,407 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 09:58:36,408 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 4 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5450 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:58:36,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 5450 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 678 Invalid, 5 Unknown, 0 Unchecked, 20.7s Time] [2022-12-14 09:58:36,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63823 states. [2022-12-14 09:58:38,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63823 to 63727. [2022-12-14 09:58:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63727 states, 45538 states have (on average 1.4493609732531072) internal successors, (66001), 46271 states have internal predecessors, (66001), 14284 states have call successors, (14284), 3942 states have call predecessors, (14284), 3904 states have return successors, (14945), 14040 states have call predecessors, (14945), 14275 states have call successors, (14945) [2022-12-14 09:58:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63727 states to 63727 states and 95230 transitions. [2022-12-14 09:58:38,454 INFO L78 Accepts]: Start accepts. Automaton has 63727 states and 95230 transitions. Word has length 881 [2022-12-14 09:58:38,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:58:38,454 INFO L495 AbstractCegarLoop]: Abstraction has 63727 states and 95230 transitions. [2022-12-14 09:58:38,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2022-12-14 09:58:38,455 INFO L276 IsEmpty]: Start isEmpty. Operand 63727 states and 95230 transitions. [2022-12-14 09:58:38,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2022-12-14 09:58:38,463 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:58:38,463 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:58:38,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 09:58:38,464 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:58:38,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:58:38,464 INFO L85 PathProgramCache]: Analyzing trace with hash 494595419, now seen corresponding path program 1 times [2022-12-14 09:58:38,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:58:38,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341582146] [2022-12-14 09:58:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:58:38,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:58:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:58:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 18505 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18505 trivial. 0 not checked. [2022-12-14 09:58:40,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:58:40,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341582146] [2022-12-14 09:58:40,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341582146] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:58:40,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:58:40,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 09:58:40,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244070781] [2022-12-14 09:58:40,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:58:40,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:58:40,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:58:40,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:58:40,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:58:40,461 INFO L87 Difference]: Start difference. First operand 63727 states and 95230 transitions. Second operand has 6 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 3 states have call successors, (81), 3 states have call predecessors, (81), 2 states have return successors, (78), 3 states have call predecessors, (78), 2 states have call successors, (78) [2022-12-14 09:58:42,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:43,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:45,878 WARN L539 Checker$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 09:58:49,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:50,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:52,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:53,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:59,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:59:02,691 WARN L539 Checker$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 09:59:04,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 09:59:06,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:59:07,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:59:08,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:59:10,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:59:14,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:59:17,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:59:19,274 WARN L539 Checker$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 09:59:23,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:59:26,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:59:26,009 INFO L93 Difference]: Finished difference Result 75604 states and 112331 transitions. [2022-12-14 09:59:26,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:59:26,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 3 states have call successors, (81), 3 states have call predecessors, (81), 2 states have return successors, (78), 3 states have call predecessors, (78), 2 states have call successors, (78) Word has length 880 [2022-12-14 09:59:26,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:59:26,303 INFO L225 Difference]: With dead ends: 75604 [2022-12-14 09:59:26,303 INFO L226 Difference]: Without dead ends: 75601 [2022-12-14 09:59:26,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:59:26,347 INFO L413 NwaCegarLoop]: 3202 mSDtfsCounter, 984 mSDsluCounter, 10290 mSDsCounter, 0 mSdLazyCounter, 1709 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 13492 SdHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1709 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:59:26,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [990 Valid, 13492 Invalid, 1719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1709 Invalid, 9 Unknown, 0 Unchecked, 44.2s Time] [2022-12-14 09:59:26,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75601 states. [2022-12-14 09:59:28,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75601 to 75572. [2022-12-14 09:59:28,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75572 states, 53604 states have (on average 1.4413103499738826) internal successors, (77260), 54408 states have internal predecessors, (77260), 17047 states have call successors, (17047), 4967 states have call predecessors, (17047), 4920 states have return successors, (17932), 16766 states have call predecessors, (17932), 17038 states have call successors, (17932) [2022-12-14 09:59:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75572 states to 75572 states and 112239 transitions. [2022-12-14 09:59:28,536 INFO L78 Accepts]: Start accepts. Automaton has 75572 states and 112239 transitions. Word has length 880 [2022-12-14 09:59:28,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:59:28,537 INFO L495 AbstractCegarLoop]: Abstraction has 75572 states and 112239 transitions. [2022-12-14 09:59:28,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 3 states have call successors, (81), 3 states have call predecessors, (81), 2 states have return successors, (78), 3 states have call predecessors, (78), 2 states have call successors, (78) [2022-12-14 09:59:28,537 INFO L276 IsEmpty]: Start isEmpty. Operand 75572 states and 112239 transitions. [2022-12-14 09:59:28,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2022-12-14 09:59:28,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:59:28,547 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 61, 61, 61, 61, 61, 61, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:59:28,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 09:59:28,547 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:59:28,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:59:28,548 INFO L85 PathProgramCache]: Analyzing trace with hash 264891663, now seen corresponding path program 1 times [2022-12-14 09:59:28,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:59:28,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765812346] [2022-12-14 09:59:28,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:59:28,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:59:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:59:29,425 INFO L134 CoverageAnalysis]: Checked inductivity of 18511 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 18509 trivial. 0 not checked. [2022-12-14 09:59:29,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:59:29,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765812346] [2022-12-14 09:59:29,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765812346] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:59:29,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038882463] [2022-12-14 09:59:29,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:59:29,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:59:29,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:59:29,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:59:29,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_841957c6-de81-4200-bed7-c13f008246c4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:59:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:59:31,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 9562 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 09:59:31,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:59:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 18511 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 18509 trivial. 0 not checked. [2022-12-14 09:59:31,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:59:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 18511 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 18509 trivial. 0 not checked. [2022-12-14 09:59:31,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038882463] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:59:31,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1982787896] [2022-12-14 09:59:31,750 INFO L159 IcfgInterpreter]: Started Sifa with 224 locations of interest [2022-12-14 09:59:31,750 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:59:31,754 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:59:31,758 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:59:31,759 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:59:51,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:52,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:53,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:56,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:56,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:56,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:56,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:57,319 INFO L217 Elim1Store]: Index analysis took 6126 ms