./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/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_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/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_3b2587ae-897b-4cc9-949f-cc6f315d10c9/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 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 --- 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 03:06:48,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 03:06:48,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 03:06:48,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 03:06:48,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 03:06:48,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 03:06:48,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 03:06:48,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 03:06:48,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 03:06:48,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 03:06:48,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 03:06:48,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 03:06:48,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 03:06:48,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 03:06:48,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 03:06:48,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 03:06:48,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 03:06:48,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 03:06:48,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 03:06:48,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 03:06:48,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 03:06:48,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 03:06:48,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 03:06:48,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 03:06:48,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 03:06:48,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 03:06:48,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 03:06:48,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 03:06:48,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 03:06:48,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 03:06:48,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 03:06:48,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 03:06:48,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 03:06:48,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 03:06:48,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 03:06:48,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 03:06:48,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 03:06:48,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 03:06:48,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 03:06:48,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 03:06:48,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 03:06:48,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 03:06:48,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 03:06:48,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 03:06:48,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 03:06:48,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 03:06:48,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 03:06:48,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 03:06:48,126 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 03:06:48,126 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 03:06:48,127 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 03:06:48,127 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 03:06:48,127 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 03:06:48,127 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 03:06:48,127 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 03:06:48,127 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 03:06:48,127 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 03:06:48,128 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 03:06:48,128 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 03:06:48,128 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 03:06:48,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 03:06:48,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 03:06:48,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 03:06:48,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 03:06:48,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 03:06:48,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 03:06:48,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 03:06:48,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 03:06:48,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 03:06:48,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 03:06:48,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 03:06:48,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:06:48,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 03:06:48,130 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 03:06:48,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 03:06:48,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 03:06:48,131 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 03:06:48,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 03:06:48,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 03:06:48,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 03:06:48,131 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_3b2587ae-897b-4cc9-949f-cc6f315d10c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760ec64c2425d439883c5d1074b52af06ed0343ac750305f469404408ecd0aa4 [2022-12-14 03:06:48,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 03:06:48,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 03:06:48,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 03:06:48,310 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 03:06:48,310 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 03:06:48,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i [2022-12-14 03:06:50,843 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 03:06:51,248 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 03:06:51,249 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i [2022-12-14 03:06:51,278 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/data/673cad818/7b68a712c3bc4a96a5e83ef92aea9443/FLAGc0f3f460d [2022-12-14 03:06:51,404 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/data/673cad818/7b68a712c3bc4a96a5e83ef92aea9443 [2022-12-14 03:06:51,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 03:06:51,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 03:06:51,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 03:06:51,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 03:06:51,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 03:06:51,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:06:51" (1/1) ... [2022-12-14 03:06:51,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6107426f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:51, skipping insertion in model container [2022-12-14 03:06:51,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:06:51" (1/1) ... [2022-12-14 03:06:51,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 03:06:51,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:06:52,212 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 03:06:52,218 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 03:06:52,276 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 03:06:52,281 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 03:06:52,306 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:52,448 WARN L623 FunctionHandler]: Unknown extern function __ieee80211_get_channel [2022-12-14 03:06:52,461 WARN L623 FunctionHandler]: Unknown extern function cfg80211_inform_bss_width [2022-12-14 03:06:52,686 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 03:06:52,687 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 03:06:52,690 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,693 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,696 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,697 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:06:52,697 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:52,706 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 03:06:52,708 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 03:06:52,710 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,712 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,713 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:06:52,714 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:52,720 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 03:06:52,721 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 03:06:52,722 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:06:52,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,733 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,739 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:52,774 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:52,775 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,781 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:52,808 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,809 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 03:06:52,809 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 03:06:52,816 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,818 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:52,825 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,831 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,833 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:52,836 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,837 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:52,844 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,850 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,867 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,870 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,872 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,879 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,888 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,889 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:52,890 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:52,899 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,901 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,903 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,905 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,909 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,913 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,944 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:52,954 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:52,956 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,956 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:52,957 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,971 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,972 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:52,980 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:52,981 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:53,000 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,003 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:53,011 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,012 WARN L623 FunctionHandler]: Unknown extern function krealloc [2022-12-14 03:06:53,013 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:53,018 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,020 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,022 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,031 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,034 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 03:06:53,050 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,051 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:53,052 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,055 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,055 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:53,063 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,064 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 03:06:53,066 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 03:06:53,067 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 03:06:53,068 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 03:06:53,069 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,072 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,074 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,076 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,078 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,079 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 03:06:53,079 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 03:06:53,080 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,083 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,085 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 03:06:53,086 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,088 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,089 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,091 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,094 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 03:06:53,094 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 03:06:53,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,098 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,101 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,103 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,118 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,125 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,127 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,129 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,138 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,139 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:53,140 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,142 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,143 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 03:06:53,152 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:53,153 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:06:53,154 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,156 WARN L623 FunctionHandler]: Unknown extern function cfg80211_connect_result [2022-12-14 03:06:53,156 WARN L623 FunctionHandler]: Unknown extern function cfg80211_roamed [2022-12-14 03:06:53,157 WARN L623 FunctionHandler]: Unknown extern function cfg80211_ibss_joined [2022-12-14 03:06:53,157 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:53,157 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 03:06:53,158 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 03:06:53,165 WARN L623 FunctionHandler]: Unknown extern function cfg80211_disconnected [2022-12-14 03:06:53,165 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 03:06:53,185 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,187 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,188 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 03:06:53,188 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 03:06:53,195 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,196 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,197 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,198 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,198 WARN L623 FunctionHandler]: Unknown extern function cfg80211_pmksa_candidate_notify [2022-12-14 03:06:53,206 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,206 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,207 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,208 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,208 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,216 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,216 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 03:06:53,217 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,217 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,217 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:53,227 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,234 WARN L623 FunctionHandler]: Unknown extern function cfg80211_cqm_rssi_notify [2022-12-14 03:06:53,242 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,242 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 03:06:53,243 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:53,244 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 03:06:53,244 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 03:06:53,270 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 03:06:53,271 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 03:06:53,272 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 03:06:53,272 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 03:06:53,279 WARN L623 FunctionHandler]: Unknown extern function wiphy_new [2022-12-14 03:06:53,280 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:06:53,281 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 03:06:53,281 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 03:06:53,282 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 03:06:53,282 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 03:06:53,282 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 03:06:53,283 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 03:06:53,283 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 03:06:53,283 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 03:06:53,284 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 03:06:53,284 WARN L623 FunctionHandler]: Unknown extern function generic_rndis_bind [2022-12-14 03:06:53,287 WARN L623 FunctionHandler]: Unknown extern function wiphy_register [2022-12-14 03:06:53,287 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 03:06:53,288 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:53,288 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:53,288 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 03:06:53,288 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 03:06:53,289 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 03:06:53,289 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 03:06:53,295 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:53,295 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:53,296 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 03:06:53,296 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 03:06:53,296 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 03:06:53,296 WARN L623 FunctionHandler]: Unknown extern function rndis_unbind [2022-12-14 03:06:53,296 WARN L623 FunctionHandler]: Unknown extern function wiphy_unregister [2022-12-14 03:06:53,297 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 03:06:53,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,304 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:53,305 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 03:06:53,312 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:53,312 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:53,313 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:53,313 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 03:06:53,313 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 03:06:53,313 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 03:06:53,818 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,818 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,818 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,819 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,819 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,819 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,819 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,819 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,819 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,820 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,820 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,820 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,820 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,820 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,820 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,821 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,821 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,821 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,821 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,821 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,821 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,822 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,822 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,822 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,822 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,822 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,822 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,823 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,823 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,823 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,823 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,823 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,823 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,824 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,824 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,824 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:53,826 WARN L623 FunctionHandler]: Unknown extern function usbnet_stop [2022-12-14 03:06:53,826 WARN L623 FunctionHandler]: Unknown extern function usbnet_tx_timeout [2022-12-14 03:06:53,827 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 03:06:53,827 WARN L623 FunctionHandler]: Unknown extern function usbnet_open [2022-12-14 03:06:53,827 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 03:06:53,828 WARN L623 FunctionHandler]: Unknown extern function usbnet_start_xmit [2022-12-14 03:06:53,838 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 03:06:53,839 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 03:06:53,839 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 03:06:53,840 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 03:06:53,840 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 03:06:53,840 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 03:06:53,841 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 03:06:53,842 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 03:06:53,842 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 03:06:53,863 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 03:06:53,864 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 03:06:53,865 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-14 03:06:53,866 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-14 03:06:53,866 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-14 03:06:53,866 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-14 03:06:53,867 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-14 03:06:53,870 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 03:06:53,871 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 03:06:53,872 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 03:06:53,984 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 03:06:53,984 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 03:06:54,029 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 03:06:54,128 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_3b2587ae-897b-4cc9-949f-cc6f315d10c9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464274,464287] [2022-12-14 03:06:54,131 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_3b2587ae-897b-4cc9-949f-cc6f315d10c9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464421,464434] [2022-12-14 03:06:54,131 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_3b2587ae-897b-4cc9-949f-cc6f315d10c9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464560,464573] [2022-12-14 03:06:54,132 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_3b2587ae-897b-4cc9-949f-cc6f315d10c9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464718,464731] [2022-12-14 03:06:54,132 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,132 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,137 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,138 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,140 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,141 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:06:54,185 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 03:06:54,272 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 03:06:54,273 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 03:06:54,273 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 03:06:54,273 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 03:06:54,274 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,279 WARN L623 FunctionHandler]: Unknown extern function __ieee80211_get_channel [2022-12-14 03:06:54,280 WARN L623 FunctionHandler]: Unknown extern function cfg80211_inform_bss_width [2022-12-14 03:06:54,288 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 03:06:54,288 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 03:06:54,289 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,291 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,292 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,293 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:06:54,293 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,295 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 03:06:54,296 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 03:06:54,297 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,298 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,298 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:06:54,298 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,299 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 03:06:54,299 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 03:06:54,300 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:06:54,301 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,302 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,305 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,306 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:54,307 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,307 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:54,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,311 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 03:06:54,311 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 03:06:54,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,314 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:54,315 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,317 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:54,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,319 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:54,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,323 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,345 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:54,345 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:54,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,351 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,353 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,356 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,362 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,367 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:54,370 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,371 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,371 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:54,372 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,375 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,377 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,377 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,379 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,381 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,383 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,384 WARN L623 FunctionHandler]: Unknown extern function krealloc [2022-12-14 03:06:54,385 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,387 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,389 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,396 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,398 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,399 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 03:06:54,402 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,403 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,403 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,405 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,405 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,406 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,407 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 03:06:54,408 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 03:06:54,409 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 03:06:54,410 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 03:06:54,411 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,412 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,413 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,414 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,415 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,416 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,418 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,419 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 03:06:54,419 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 03:06:54,420 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,422 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,423 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 03:06:54,424 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,426 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,427 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,428 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,429 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,430 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,431 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 03:06:54,431 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 03:06:54,432 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,434 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,435 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,438 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,439 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,441 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,448 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,453 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,455 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,457 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,459 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,460 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:54,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,462 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,463 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 03:06:54,466 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,467 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:06:54,468 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,469 WARN L623 FunctionHandler]: Unknown extern function cfg80211_connect_result [2022-12-14 03:06:54,469 WARN L623 FunctionHandler]: Unknown extern function cfg80211_roamed [2022-12-14 03:06:54,470 WARN L623 FunctionHandler]: Unknown extern function cfg80211_ibss_joined [2022-12-14 03:06:54,470 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,470 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 03:06:54,470 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 03:06:54,471 WARN L623 FunctionHandler]: Unknown extern function cfg80211_disconnected [2022-12-14 03:06:54,471 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 03:06:54,473 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,475 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,475 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 03:06:54,475 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 03:06:54,476 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,477 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,477 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,478 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,478 WARN L623 FunctionHandler]: Unknown extern function cfg80211_pmksa_candidate_notify [2022-12-14 03:06:54,479 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,479 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,480 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,480 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,480 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,481 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,481 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 03:06:54,482 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,482 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,482 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 03:06:54,485 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,486 WARN L623 FunctionHandler]: Unknown extern function cfg80211_cqm_rssi_notify [2022-12-14 03:06:54,488 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,488 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 03:06:54,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:06:54,489 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 03:06:54,489 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 03:06:54,493 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 03:06:54,493 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 03:06:54,493 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 03:06:54,494 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 03:06:54,495 WARN L623 FunctionHandler]: Unknown extern function wiphy_new [2022-12-14 03:06:54,499 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:06:54,499 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 03:06:54,500 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 03:06:54,500 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 03:06:54,500 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 03:06:54,500 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 03:06:54,501 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 03:06:54,501 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 03:06:54,501 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 03:06:54,501 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 03:06:54,502 WARN L623 FunctionHandler]: Unknown extern function generic_rndis_bind [2022-12-14 03:06:54,504 WARN L623 FunctionHandler]: Unknown extern function wiphy_register [2022-12-14 03:06:54,504 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 03:06:54,504 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:54,504 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:54,504 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 03:06:54,504 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 03:06:54,505 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 03:06:54,505 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 03:06:54,505 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:54,505 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:54,506 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 03:06:54,506 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 03:06:54,506 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 03:06:54,506 WARN L623 FunctionHandler]: Unknown extern function rndis_unbind [2022-12-14 03:06:54,506 WARN L623 FunctionHandler]: Unknown extern function wiphy_unregister [2022-12-14 03:06:54,506 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 03:06:54,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,508 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 03:06:54,508 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 03:06:54,509 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 03:06:54,509 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:54,509 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 03:06:54,510 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 03:06:54,510 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 03:06:54,510 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 03:06:54,518 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,519 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,519 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,519 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,519 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,519 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,520 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,521 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,521 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,521 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,521 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,521 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,521 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,521 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,522 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,524 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,524 WARN L623 FunctionHandler]: Unknown extern function usbnet_stop [2022-12-14 03:06:54,525 WARN L623 FunctionHandler]: Unknown extern function usbnet_tx_timeout [2022-12-14 03:06:54,525 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 03:06:54,525 WARN L623 FunctionHandler]: Unknown extern function usbnet_open [2022-12-14 03:06:54,525 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 03:06:54,525 WARN L623 FunctionHandler]: Unknown extern function usbnet_start_xmit [2022-12-14 03:06:54,530 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 03:06:54,531 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 03:06:54,531 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 03:06:54,531 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 03:06:54,532 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 03:06:54,532 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 03:06:54,532 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 03:06:54,532 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 03:06:54,533 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 03:06:54,548 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 03:06:54,549 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 03:06:54,549 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-14 03:06:54,550 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-14 03:06:54,550 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-14 03:06:54,550 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-14 03:06:54,550 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-14 03:06:54,552 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 03:06:54,553 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 03:06:54,553 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 03:06:54,556 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 03:06:54,556 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 03:06:54,557 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 03:06:54,560 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_3b2587ae-897b-4cc9-949f-cc6f315d10c9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464274,464287] [2022-12-14 03:06:54,560 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_3b2587ae-897b-4cc9-949f-cc6f315d10c9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464421,464434] [2022-12-14 03:06:54,561 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_3b2587ae-897b-4cc9-949f-cc6f315d10c9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464560,464573] [2022-12-14 03:06:54,561 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_3b2587ae-897b-4cc9-949f-cc6f315d10c9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i[464718,464731] [2022-12-14 03:06:54,561 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,561 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,562 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,563 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,563 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,564 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 03:06:54,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:06:54,664 INFO L208 MainTranslator]: Completed translation [2022-12-14 03:06:54,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54 WrapperNode [2022-12-14 03:06:54,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 03:06:54,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 03:06:54,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 03:06:54,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 03:06:54,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (1/1) ... [2022-12-14 03:06:54,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (1/1) ... [2022-12-14 03:06:54,879 INFO L138 Inliner]: procedures = 396, calls = 4554, calls flagged for inlining = 219, calls inlined = 198, statements flattened = 8988 [2022-12-14 03:06:54,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 03:06:54,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 03:06:54,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 03:06:54,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 03:06:54,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (1/1) ... [2022-12-14 03:06:54,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (1/1) ... [2022-12-14 03:06:54,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (1/1) ... [2022-12-14 03:06:54,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (1/1) ... [2022-12-14 03:06:55,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (1/1) ... [2022-12-14 03:06:55,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (1/1) ... [2022-12-14 03:06:55,070 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (1/1) ... [2022-12-14 03:06:55,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (1/1) ... [2022-12-14 03:06:55,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 03:06:55,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 03:06:55,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 03:06:55,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 03:06:55,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (1/1) ... [2022-12-14 03:06:55,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:06:55,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:06:55,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 03:06:55,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 03:06:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-12-14 03:06:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-12-14 03:06:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-12-14 03:06:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-12-14 03:06:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-12-14 03:06:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-12-14 03:06:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-12-14 03:06:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-12-14 03:06:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 03:06:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 03:06:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-12-14 03:06:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-12-14 03:06:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-12-14 03:06:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-12-14 03:06:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 03:06:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 03:06:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-12-14 03:06:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-12-14 03:06:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-12-14 03:06:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-12-14 03:06:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-12-14 03:06:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-12-14 03:06:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-12-14 03:06:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-12-14 03:06:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-12-14 03:06:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-12-14 03:06:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-12-14 03:06:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-12-14 03:06:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-12-14 03:06:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-12-14 03:06:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 03:06:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 03:06:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-12-14 03:06:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-12-14 03:06:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 03:06:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 03:06:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 03:06:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 03:06:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 03:06:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-12-14 03:06:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-12-14 03:06:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-12-14 03:06:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-12-14 03:06:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-12-14 03:06:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-12-14 03:06:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-14 03:06:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-14 03:06:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 03:06:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 03:06:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-12-14 03:06:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-12-14 03:06:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-12-14 03:06:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-12-14 03:06:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-12-14 03:06:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-12-14 03:06:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-12-14 03:06:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-12-14 03:06:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 03:06:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-12-14 03:06:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-12-14 03:06:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-12-14 03:06:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-12-14 03:06:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 03:06:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 03:06:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 03:06:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-12-14 03:06:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-12-14 03:06:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-12-14 03:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-12-14 03:06:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 03:06:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-12-14 03:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-12-14 03:06:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 03:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 03:06:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 03:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 03:06:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-12-14 03:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-12-14 03:06:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-12-14 03:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-12-14 03:06:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-12-14 03:06:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-12-14 03:06:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 03:06:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-12-14 03:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-12-14 03:06:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-12-14 03:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-12-14 03:06:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 03:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 03:06:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-12-14 03:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-12-14 03:06:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 03:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 03:06:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 03:06:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-12-14 03:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-12-14 03:06:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 03:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 03:06:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-12-14 03:06:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-12-14 03:06:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 03:06:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-12-14 03:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-12-14 03:06:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-12-14 03:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-12-14 03:06:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 03:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 03:06:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-12-14 03:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-12-14 03:06:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-12-14 03:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-12-14 03:06:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 03:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 03:06:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-12-14 03:06:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-12-14 03:06:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-12-14 03:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-12-14 03:06:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 03:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 03:06:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 03:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 03:06:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 03:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 03:06:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 03:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 03:06:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 03:06:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 03:06:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 03:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 03:06:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-12-14 03:06:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-12-14 03:06:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-12-14 03:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-12-14 03:06:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-12-14 03:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-12-14 03:06:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 03:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 03:06:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-12-14 03:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-12-14 03:06:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 03:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 03:06:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-12-14 03:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-12-14 03:06:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-12-14 03:06:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-12-14 03:06:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-12-14 03:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-12-14 03:06:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 03:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 03:06:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-12-14 03:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-12-14 03:06:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 03:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 03:06:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 03:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 03:06:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-14 03:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-14 03:06:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 03:06:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 03:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 03:06:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-12-14 03:06:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-12-14 03:06:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 03:06:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-12-14 03:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-12-14 03:06:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-12-14 03:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-12-14 03:06:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-12-14 03:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-12-14 03:06:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-12-14 03:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-12-14 03:06:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 03:06:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-12-14 03:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-12-14 03:06:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 03:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 03:06:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-12-14 03:06:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-12-14 03:06:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 03:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 03:06:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 03:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 03:06:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-12-14 03:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-12-14 03:06:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 03:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 03:06:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 03:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 03:06:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-12-14 03:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-12-14 03:06:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-12-14 03:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-12-14 03:06:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 03:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 03:06:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-12-14 03:06:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-12-14 03:06:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-12-14 03:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-12-14 03:06:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-12-14 03:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-12-14 03:06:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 03:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 03:06:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-12-14 03:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-12-14 03:06:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-12-14 03:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-12-14 03:06:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-12-14 03:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-12-14 03:06:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 03:06:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-12-14 03:06:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-12-14 03:06:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 03:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 03:06:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-12-14 03:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-12-14 03:06:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-12-14 03:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-12-14 03:06:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 03:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 03:06:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-12-14 03:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-12-14 03:06:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 03:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 03:06:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 03:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 03:06:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-12-14 03:06:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-12-14 03:06:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-12-14 03:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-12-14 03:06:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-12-14 03:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-12-14 03:06:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-12-14 03:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-12-14 03:06:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-12-14 03:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-12-14 03:06:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-12-14 03:06:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 03:06:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-12-14 03:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-12-14 03:06:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-12-14 03:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-12-14 03:06:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 03:06:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 03:06:55,942 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 03:06:55,945 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 03:06:56,305 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 03:07:12,244 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 03:07:12,499 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 03:07:13,643 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 03:07:13,643 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 03:07:13,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:07:13 BoogieIcfgContainer [2022-12-14 03:07:13,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 03:07:13,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 03:07:13,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 03:07:13,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 03:07:13,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:06:51" (1/3) ... [2022-12-14 03:07:13,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ea4057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:07:13, skipping insertion in model container [2022-12-14 03:07:13,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:06:54" (2/3) ... [2022-12-14 03:07:13,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ea4057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:07:13, skipping insertion in model container [2022-12-14 03:07:13,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:07:13" (3/3) ... [2022-12-14 03:07:13,657 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rndis_wlan.cil.i [2022-12-14 03:07:13,677 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 03:07:13,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 03:07:13,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 03:07:13,767 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;@6d9ec93a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 03:07:13,767 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 03:07:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 2014 states, 1226 states have (on average 1.3140293637846656) internal successors, (1611), 1229 states have internal predecessors, (1611), 674 states have call successors, (674), 113 states have call predecessors, (674), 112 states have return successors, (666), 666 states have call predecessors, (666), 666 states have call successors, (666) [2022-12-14 03:07:13,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-12-14 03:07:13,808 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:07:13,809 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:07:13,810 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:07:13,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:07:13,815 INFO L85 PathProgramCache]: Analyzing trace with hash -490950493, now seen corresponding path program 1 times [2022-12-14 03:07:13,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:07:13,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045179637] [2022-12-14 03:07:13,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:07:13,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:07:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:07:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5115 trivial. 0 not checked. [2022-12-14 03:07:15,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:07:15,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045179637] [2022-12-14 03:07:15,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045179637] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:07:15,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:07:15,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:07:15,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075409200] [2022-12-14 03:07:15,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:07:15,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:07:15,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:07:15,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:07:15,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:07:15,095 INFO L87 Difference]: Start difference. First operand has 2014 states, 1226 states have (on average 1.3140293637846656) internal successors, (1611), 1229 states have internal predecessors, (1611), 674 states have call successors, (674), 113 states have call predecessors, (674), 112 states have return successors, (666), 666 states have call predecessors, (666), 666 states have call successors, (666) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-14 03:07:18,419 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 03:07:20,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:07:20,230 INFO L93 Difference]: Finished difference Result 5818 states and 8556 transitions. [2022-12-14 03:07:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:07:20,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 384 [2022-12-14 03:07:20,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:07:20,262 INFO L225 Difference]: With dead ends: 5818 [2022-12-14 03:07:20,262 INFO L226 Difference]: Without dead ends: 3865 [2022-12-14 03:07:20,274 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 03:07:20,276 INFO L413 NwaCegarLoop]: 3167 mSDtfsCounter, 2755 mSDsluCounter, 2461 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2755 SdHoareTripleChecker+Valid, 5628 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 03:07:20,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2755 Valid, 5628 Invalid, 925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 911 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 03:07:20,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2022-12-14 03:07:20,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3863. [2022-12-14 03:07:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3863 states, 2370 states have (on average 1.310548523206751) internal successors, (3106), 2375 states have internal predecessors, (3106), 1270 states have call successors, (1270), 222 states have call predecessors, (1270), 221 states have return successors, (1267), 1267 states have call predecessors, (1267), 1267 states have call successors, (1267) [2022-12-14 03:07:20,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3863 states and 5643 transitions. [2022-12-14 03:07:20,475 INFO L78 Accepts]: Start accepts. Automaton has 3863 states and 5643 transitions. Word has length 384 [2022-12-14 03:07:20,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:07:20,476 INFO L495 AbstractCegarLoop]: Abstraction has 3863 states and 5643 transitions. [2022-12-14 03:07:20,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-14 03:07:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 5643 transitions. [2022-12-14 03:07:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-12-14 03:07:20,488 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:07:20,488 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:07:20,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 03:07:20,488 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:07:20,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:07:20,489 INFO L85 PathProgramCache]: Analyzing trace with hash -384530819, now seen corresponding path program 1 times [2022-12-14 03:07:20,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:07:20,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595574804] [2022-12-14 03:07:20,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:07:20,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:07:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:07:21,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5184 trivial. 0 not checked. [2022-12-14 03:07:21,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:07:21,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595574804] [2022-12-14 03:07:21,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595574804] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:07:21,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:07:21,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:07:21,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239909717] [2022-12-14 03:07:21,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:07:21,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:07:21,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:07:21,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:07:21,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:07:21,084 INFO L87 Difference]: Start difference. First operand 3863 states and 5643 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 03:07:25,109 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 03:07:26,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:07:26,146 INFO L93 Difference]: Finished difference Result 11261 states and 16442 transitions. [2022-12-14 03:07:26,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:07:26,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 438 [2022-12-14 03:07:26,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:07:26,180 INFO L225 Difference]: With dead ends: 11261 [2022-12-14 03:07:26,180 INFO L226 Difference]: Without dead ends: 7471 [2022-12-14 03:07:26,196 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 03:07:26,196 INFO L413 NwaCegarLoop]: 3138 mSDtfsCounter, 2642 mSDsluCounter, 2461 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2642 SdHoareTripleChecker+Valid, 5599 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 03:07:26,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2642 Valid, 5599 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 906 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 03:07:26,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7471 states. [2022-12-14 03:07:26,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7471 to 7460. [2022-12-14 03:07:26,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7460 states, 4587 states have (on average 1.3091345105733594) internal successors, (6005), 4601 states have internal predecessors, (6005), 2437 states have call successors, (2437), 435 states have call predecessors, (2437), 434 states have return successors, (2434), 2427 states have call predecessors, (2434), 2434 states have call successors, (2434) [2022-12-14 03:07:26,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7460 states to 7460 states and 10876 transitions. [2022-12-14 03:07:26,486 INFO L78 Accepts]: Start accepts. Automaton has 7460 states and 10876 transitions. Word has length 438 [2022-12-14 03:07:26,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:07:26,488 INFO L495 AbstractCegarLoop]: Abstraction has 7460 states and 10876 transitions. [2022-12-14 03:07:26,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 03:07:26,488 INFO L276 IsEmpty]: Start isEmpty. Operand 7460 states and 10876 transitions. [2022-12-14 03:07:26,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-12-14 03:07:26,503 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:07:26,504 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:07:26,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 03:07:26,504 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:07:26,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:07:26,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1296068444, now seen corresponding path program 1 times [2022-12-14 03:07:26,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:07:26,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603590268] [2022-12-14 03:07:26,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:07:26,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:07:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:07:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5374 trivial. 0 not checked. [2022-12-14 03:07:27,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:07:27,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603590268] [2022-12-14 03:07:27,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603590268] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:07:27,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:07:27,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 03:07:27,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21219033] [2022-12-14 03:07:27,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:07:27,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 03:07:27,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:07:27,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 03:07:27,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 03:07:27,340 INFO L87 Difference]: Start difference. First operand 7460 states and 10876 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 03:07:30,619 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 03:07:32,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:07:32,362 INFO L93 Difference]: Finished difference Result 11221 states and 16358 transitions. [2022-12-14 03:07:32,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 03:07:32,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 431 [2022-12-14 03:07:32,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:07:32,409 INFO L225 Difference]: With dead ends: 11221 [2022-12-14 03:07:32,409 INFO L226 Difference]: Without dead ends: 11196 [2022-12-14 03:07:32,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:07:32,421 INFO L413 NwaCegarLoop]: 3206 mSDtfsCounter, 2811 mSDsluCounter, 5581 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 8787 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 03:07:32,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 8787 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1340 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 03:07:32,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11196 states. [2022-12-14 03:07:32,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11196 to 11194. [2022-12-14 03:07:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11194 states, 6887 states have (on average 1.3100043560331058) internal successors, (9022), 6905 states have internal predecessors, (9022), 3649 states have call successors, (3649), 657 states have call predecessors, (3649), 656 states have return successors, (3646), 3637 states have call predecessors, (3646), 3646 states have call successors, (3646) [2022-12-14 03:07:32,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11194 states to 11194 states and 16317 transitions. [2022-12-14 03:07:32,859 INFO L78 Accepts]: Start accepts. Automaton has 11194 states and 16317 transitions. Word has length 431 [2022-12-14 03:07:32,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:07:32,860 INFO L495 AbstractCegarLoop]: Abstraction has 11194 states and 16317 transitions. [2022-12-14 03:07:32,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 03:07:32,860 INFO L276 IsEmpty]: Start isEmpty. Operand 11194 states and 16317 transitions. [2022-12-14 03:07:32,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2022-12-14 03:07:32,880 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:07:32,880 INFO L195 NwaCegarLoop]: trace histogram [38, 36, 36, 36, 36, 36, 36, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:07:32,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 03:07:32,881 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:07:32,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:07:32,881 INFO L85 PathProgramCache]: Analyzing trace with hash -195029563, now seen corresponding path program 1 times [2022-12-14 03:07:32,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:07:32,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598277361] [2022-12-14 03:07:32,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:07:32,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:07:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:07:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5287 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5276 trivial. 0 not checked. [2022-12-14 03:07:33,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:07:33,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598277361] [2022-12-14 03:07:33,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598277361] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:07:33,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:07:33,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:07:33,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716244062] [2022-12-14 03:07:33,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:07:33,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:07:33,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:07:33,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:07:33,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:07:33,355 INFO L87 Difference]: Start difference. First operand 11194 states and 16317 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 03:07:36,459 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 03:07:37,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:07:37,981 INFO L93 Difference]: Finished difference Result 24105 states and 35112 transitions. [2022-12-14 03:07:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:07:37,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 460 [2022-12-14 03:07:37,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:07:38,036 INFO L225 Difference]: With dead ends: 24105 [2022-12-14 03:07:38,036 INFO L226 Difference]: Without dead ends: 12984 [2022-12-14 03:07:38,079 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 03:07:38,079 INFO L413 NwaCegarLoop]: 3186 mSDtfsCounter, 2643 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2643 SdHoareTripleChecker+Valid, 5665 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 03:07:38,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2643 Valid, 5665 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 890 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 03:07:38,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12984 states. [2022-12-14 03:07:38,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12984 to 12976. [2022-12-14 03:07:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12976 states, 7981 states have (on average 1.30835734870317) internal successors, (10442), 8003 states have internal predecessors, (10442), 4226 states have call successors, (4226), 769 states have call predecessors, (4226), 767 states have return successors, (4223), 4210 states have call predecessors, (4223), 4223 states have call successors, (4223) [2022-12-14 03:07:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12976 states to 12976 states and 18891 transitions. [2022-12-14 03:07:38,589 INFO L78 Accepts]: Start accepts. Automaton has 12976 states and 18891 transitions. Word has length 460 [2022-12-14 03:07:38,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:07:38,590 INFO L495 AbstractCegarLoop]: Abstraction has 12976 states and 18891 transitions. [2022-12-14 03:07:38,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 03:07:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 12976 states and 18891 transitions. [2022-12-14 03:07:38,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2022-12-14 03:07:38,611 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:07:38,612 INFO L195 NwaCegarLoop]: trace histogram [39, 36, 36, 36, 36, 36, 36, 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] [2022-12-14 03:07:38,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 03:07:38,612 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:07:38,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:07:38,612 INFO L85 PathProgramCache]: Analyzing trace with hash 829149304, now seen corresponding path program 1 times [2022-12-14 03:07:38,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:07:38,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641867998] [2022-12-14 03:07:38,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:07:38,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:07:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:07:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5277 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5274 trivial. 0 not checked. [2022-12-14 03:07:39,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:07:39,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641867998] [2022-12-14 03:07:39,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641867998] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:07:39,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:07:39,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:07:39,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048228175] [2022-12-14 03:07:39,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:07:39,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:07:39,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:07:39,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:07:39,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:07:39,017 INFO L87 Difference]: Start difference. First operand 12976 states and 18891 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-12-14 03:07:42,994 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 03:07:43,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:07:43,911 INFO L93 Difference]: Finished difference Result 31305 states and 45366 transitions. [2022-12-14 03:07:43,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:07:43,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 478 [2022-12-14 03:07:43,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:07:43,985 INFO L225 Difference]: With dead ends: 31305 [2022-12-14 03:07:43,985 INFO L226 Difference]: Without dead ends: 18402 [2022-12-14 03:07:44,033 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 03:07:44,034 INFO L413 NwaCegarLoop]: 2958 mSDtfsCounter, 1569 mSDsluCounter, 2427 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1569 SdHoareTripleChecker+Valid, 5385 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 03:07:44,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1569 Valid, 5385 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 951 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 03:07:44,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18402 states. [2022-12-14 03:07:44,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18402 to 18381. [2022-12-14 03:07:44,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18381 states, 11365 states have (on average 1.3114826220853497) internal successors, (14905), 11413 states have internal predecessors, (14905), 5800 states have call successors, (5800), 1217 states have call predecessors, (5800), 1214 states have return successors, (5797), 5756 states have call predecessors, (5797), 5797 states have call successors, (5797) [2022-12-14 03:07:44,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18381 states to 18381 states and 26502 transitions. [2022-12-14 03:07:44,651 INFO L78 Accepts]: Start accepts. Automaton has 18381 states and 26502 transitions. Word has length 478 [2022-12-14 03:07:44,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:07:44,652 INFO L495 AbstractCegarLoop]: Abstraction has 18381 states and 26502 transitions. [2022-12-14 03:07:44,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-12-14 03:07:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 18381 states and 26502 transitions. [2022-12-14 03:07:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2022-12-14 03:07:44,679 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:07:44,679 INFO L195 NwaCegarLoop]: trace histogram [41, 36, 36, 36, 36, 36, 36, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:07:44,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 03:07:44,679 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:07:44,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:07:44,680 INFO L85 PathProgramCache]: Analyzing trace with hash -923806836, now seen corresponding path program 1 times [2022-12-14 03:07:44,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:07:44,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551689511] [2022-12-14 03:07:44,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:07:44,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:07:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:07:45,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5629 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5629 trivial. 0 not checked. [2022-12-14 03:07:45,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:07:45,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551689511] [2022-12-14 03:07:45,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551689511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:07:45,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:07:45,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 03:07:45,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333750394] [2022-12-14 03:07:45,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:07:45,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 03:07:45,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:07:45,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 03:07:45,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 03:07:45,714 INFO L87 Difference]: Start difference. First operand 18381 states and 26502 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 03:07:49,392 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 03:07:52,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:07:52,976 INFO L93 Difference]: Finished difference Result 26014 states and 38784 transitions. [2022-12-14 03:07:52,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 03:07:52,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 513 [2022-12-14 03:07:52,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:07:53,071 INFO L225 Difference]: With dead ends: 26014 [2022-12-14 03:07:53,071 INFO L226 Difference]: Without dead ends: 26012 [2022-12-14 03:07:53,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:07:53,082 INFO L413 NwaCegarLoop]: 4467 mSDtfsCounter, 4789 mSDsluCounter, 7214 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 368 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5160 SdHoareTripleChecker+Valid, 11681 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 03:07:53,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5160 Valid, 11681 Invalid, 2516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [368 Valid, 2147 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 03:07:53,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26012 states. [2022-12-14 03:07:53,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26012 to 18381. [2022-12-14 03:07:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18381 states, 11365 states have (on average 1.3113066432028158) internal successors, (14903), 11413 states have internal predecessors, (14903), 5800 states have call successors, (5800), 1217 states have call predecessors, (5800), 1214 states have return successors, (5797), 5756 states have call predecessors, (5797), 5797 states have call successors, (5797) [2022-12-14 03:07:53,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18381 states to 18381 states and 26500 transitions. [2022-12-14 03:07:53,964 INFO L78 Accepts]: Start accepts. Automaton has 18381 states and 26500 transitions. Word has length 513 [2022-12-14 03:07:53,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:07:53,964 INFO L495 AbstractCegarLoop]: Abstraction has 18381 states and 26500 transitions. [2022-12-14 03:07:53,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 03:07:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 18381 states and 26500 transitions. [2022-12-14 03:07:54,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2022-12-14 03:07:54,012 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:07:54,012 INFO L195 NwaCegarLoop]: trace histogram [43, 36, 36, 36, 36, 36, 36, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:07:54,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 03:07:54,012 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:07:54,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:07:54,013 INFO L85 PathProgramCache]: Analyzing trace with hash 60832583, now seen corresponding path program 1 times [2022-12-14 03:07:54,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:07:54,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083616663] [2022-12-14 03:07:54,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:07:54,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:07:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:07:54,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5670 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5652 trivial. 0 not checked. [2022-12-14 03:07:54,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:07:54,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083616663] [2022-12-14 03:07:54,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083616663] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:07:54,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:07:54,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:07:54,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857326238] [2022-12-14 03:07:54,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:07:54,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:07:54,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:07:54,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:07:54,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:07:54,447 INFO L87 Difference]: Start difference. First operand 18381 states and 26500 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-14 03:07:59,264 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 03:07:59,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:07:59,804 INFO L93 Difference]: Finished difference Result 41970 states and 60447 transitions. [2022-12-14 03:07:59,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:07:59,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 546 [2022-12-14 03:07:59,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:07:59,894 INFO L225 Difference]: With dead ends: 41970 [2022-12-14 03:07:59,894 INFO L226 Difference]: Without dead ends: 24611 [2022-12-14 03:07:59,939 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 03:07:59,939 INFO L413 NwaCegarLoop]: 3798 mSDtfsCounter, 1599 mSDsluCounter, 2395 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 6193 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 03:07:59,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1599 Valid, 6193 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1193 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 03:07:59,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24611 states. [2022-12-14 03:08:00,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24611 to 24590. [2022-12-14 03:08:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24590 states, 15230 states have (on average 1.3129349967170059) internal successors, (19996), 15305 states have internal predecessors, (19996), 7666 states have call successors, (7666), 1696 states have call predecessors, (7666), 1692 states have return successors, (7663), 7594 states have call predecessors, (7663), 7663 states have call successors, (7663) [2022-12-14 03:08:00,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24590 states to 24590 states and 35325 transitions. [2022-12-14 03:08:00,891 INFO L78 Accepts]: Start accepts. Automaton has 24590 states and 35325 transitions. Word has length 546 [2022-12-14 03:08:00,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:08:00,892 INFO L495 AbstractCegarLoop]: Abstraction has 24590 states and 35325 transitions. [2022-12-14 03:08:00,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-14 03:08:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand 24590 states and 35325 transitions. [2022-12-14 03:08:00,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2022-12-14 03:08:00,936 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:08:00,936 INFO L195 NwaCegarLoop]: trace histogram [45, 36, 36, 36, 36, 36, 36, 26, 26, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:08:00,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 03:08:00,936 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:08:00,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:08:00,937 INFO L85 PathProgramCache]: Analyzing trace with hash 849761063, now seen corresponding path program 1 times [2022-12-14 03:08:00,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:08:00,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898001026] [2022-12-14 03:08:00,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:08:00,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:08:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:08:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 7244 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7221 trivial. 0 not checked. [2022-12-14 03:08:01,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:08:01,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898001026] [2022-12-14 03:08:01,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898001026] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:08:01,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:08:01,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:08:01,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921538936] [2022-12-14 03:08:01,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:08:01,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:08:01,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:08:01,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:08:01,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:08:01,703 INFO L87 Difference]: Start difference. First operand 24590 states and 35325 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2022-12-14 03:08:06,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:08:08,694 WARN L539 Checker$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 03:08:09,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:08:09,708 INFO L93 Difference]: Finished difference Result 70780 states and 101723 transitions. [2022-12-14 03:08:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:08:09,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 737 [2022-12-14 03:08:09,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:08:09,858 INFO L225 Difference]: With dead ends: 70780 [2022-12-14 03:08:09,858 INFO L226 Difference]: Without dead ends: 47212 [2022-12-14 03:08:09,924 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 03:08:09,925 INFO L413 NwaCegarLoop]: 4023 mSDtfsCounter, 2652 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2652 SdHoareTripleChecker+Valid, 6481 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 03:08:09,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2652 Valid, 6481 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1145 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 03:08:09,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47212 states. [2022-12-14 03:08:11,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47212 to 47210. [2022-12-14 03:08:11,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47210 states, 29318 states have (on average 1.311242240261955) internal successors, (38443), 29411 states have internal predecessors, (38443), 14638 states have call successors, (14638), 3256 states have call predecessors, (14638), 3252 states have return successors, (14635), 14554 states have call predecessors, (14635), 14635 states have call successors, (14635) [2022-12-14 03:08:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47210 states to 47210 states and 67716 transitions. [2022-12-14 03:08:11,741 INFO L78 Accepts]: Start accepts. Automaton has 47210 states and 67716 transitions. Word has length 737 [2022-12-14 03:08:11,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:08:11,742 INFO L495 AbstractCegarLoop]: Abstraction has 47210 states and 67716 transitions. [2022-12-14 03:08:11,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2022-12-14 03:08:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 47210 states and 67716 transitions. [2022-12-14 03:08:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 757 [2022-12-14 03:08:11,832 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:08:11,833 INFO L195 NwaCegarLoop]: trace histogram [46, 36, 36, 36, 36, 36, 36, 27, 27, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:08:11,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 03:08:11,833 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:08:11,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:08:11,833 INFO L85 PathProgramCache]: Analyzing trace with hash 690163888, now seen corresponding path program 1 times [2022-12-14 03:08:11,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:08:11,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178474914] [2022-12-14 03:08:11,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:08:11,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:08:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:08:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 7447 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2022-12-14 03:08:12,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:08:12,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178474914] [2022-12-14 03:08:12,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178474914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:08:12,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:08:12,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 03:08:12,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194693589] [2022-12-14 03:08:12,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:08:12,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 03:08:12,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:08:12,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 03:08:12,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 03:08:12,550 INFO L87 Difference]: Start difference. First operand 47210 states and 67716 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) [2022-12-14 03:08:19,057 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 03:08:21,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:08:21,563 INFO L93 Difference]: Finished difference Result 109294 states and 156156 transitions. [2022-12-14 03:08:21,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 03:08:21,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) Word has length 756 [2022-12-14 03:08:21,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:08:21,783 INFO L225 Difference]: With dead ends: 109294 [2022-12-14 03:08:21,784 INFO L226 Difference]: Without dead ends: 63106 [2022-12-14 03:08:21,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 03:08:21,910 INFO L413 NwaCegarLoop]: 3995 mSDtfsCounter, 2148 mSDsluCounter, 5187 mSDsCounter, 0 mSdLazyCounter, 2633 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 9182 SdHoareTripleChecker+Invalid, 2643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2633 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-14 03:08:21,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2148 Valid, 9182 Invalid, 2643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2633 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-12-14 03:08:21,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63106 states. [2022-12-14 03:08:24,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63106 to 63085. [2022-12-14 03:08:24,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63085 states, 39211 states have (on average 1.309964040702864) internal successors, (51365), 39335 states have internal predecessors, (51365), 19216 states have call successors, (19216), 4661 states have call predecessors, (19216), 4656 states have return successors, (19213), 19100 states have call predecessors, (19213), 19213 states have call successors, (19213) [2022-12-14 03:08:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63085 states to 63085 states and 89794 transitions. [2022-12-14 03:08:24,436 INFO L78 Accepts]: Start accepts. Automaton has 63085 states and 89794 transitions. Word has length 756 [2022-12-14 03:08:24,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:08:24,436 INFO L495 AbstractCegarLoop]: Abstraction has 63085 states and 89794 transitions. [2022-12-14 03:08:24,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 3 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) [2022-12-14 03:08:24,437 INFO L276 IsEmpty]: Start isEmpty. Operand 63085 states and 89794 transitions. [2022-12-14 03:08:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 810 [2022-12-14 03:08:24,548 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:08:24,549 INFO L195 NwaCegarLoop]: trace histogram [48, 36, 36, 36, 36, 36, 36, 28, 28, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:08:24,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 03:08:24,549 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:08:24,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:08:24,549 INFO L85 PathProgramCache]: Analyzing trace with hash 108420275, now seen corresponding path program 1 times [2022-12-14 03:08:24,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:08:24,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471047948] [2022-12-14 03:08:24,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:08:24,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:08:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:08:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 7764 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 7678 trivial. 0 not checked. [2022-12-14 03:08:25,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:08:25,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471047948] [2022-12-14 03:08:25,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471047948] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:08:25,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:08:25,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 03:08:25,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579121343] [2022-12-14 03:08:25,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:08:25,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 03:08:25,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:08:25,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 03:08:25,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 03:08:25,177 INFO L87 Difference]: Start difference. First operand 63085 states and 89794 transitions. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 3 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-12-14 03:08:31,229 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 03:08:33,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:08:33,846 INFO L93 Difference]: Finished difference Result 137324 states and 195416 transitions. [2022-12-14 03:08:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 03:08:33,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 3 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 809 [2022-12-14 03:08:33,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:08:34,109 INFO L225 Difference]: With dead ends: 137324 [2022-12-14 03:08:34,109 INFO L226 Difference]: Without dead ends: 75261 [2022-12-14 03:08:34,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 03:08:34,270 INFO L413 NwaCegarLoop]: 3799 mSDtfsCounter, 1581 mSDsluCounter, 3060 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 6859 SdHoareTripleChecker+Invalid, 2148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-14 03:08:34,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 6859 Invalid, 2148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2136 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-12-14 03:08:34,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75261 states. [2022-12-14 03:08:36,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75261 to 75240. [2022-12-14 03:08:36,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75240 states, 46800 states have (on average 1.3108333333333333) internal successors, (61347), 46955 states have internal predecessors, (61347), 22822 states have call successors, (22822), 5622 states have call predecessors, (22822), 5616 states have return successors, (22819), 22674 states have call predecessors, (22819), 22819 states have call successors, (22819) [2022-12-14 03:08:37,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75240 states to 75240 states and 106988 transitions. [2022-12-14 03:08:37,272 INFO L78 Accepts]: Start accepts. Automaton has 75240 states and 106988 transitions. Word has length 809 [2022-12-14 03:08:37,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:08:37,273 INFO L495 AbstractCegarLoop]: Abstraction has 75240 states and 106988 transitions. [2022-12-14 03:08:37,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 4 states have internal predecessors, (190), 3 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-12-14 03:08:37,273 INFO L276 IsEmpty]: Start isEmpty. Operand 75240 states and 106988 transitions. [2022-12-14 03:08:37,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2022-12-14 03:08:37,406 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:08:37,406 INFO L195 NwaCegarLoop]: trace histogram [50, 36, 36, 36, 36, 36, 36, 29, 29, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:08:37,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 03:08:37,407 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:08:37,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:08:37,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1253014467, now seen corresponding path program 1 times [2022-12-14 03:08:37,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:08:37,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28710127] [2022-12-14 03:08:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:08:37,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:08:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:08:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 8090 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 7985 trivial. 0 not checked. [2022-12-14 03:08:38,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:08:38,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28710127] [2022-12-14 03:08:38,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28710127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:08:38,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:08:38,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 03:08:38,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758823824] [2022-12-14 03:08:38,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:08:38,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 03:08:38,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:08:38,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 03:08:38,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 03:08:38,091 INFO L87 Difference]: Start difference. First operand 75240 states and 106988 transitions. Second operand has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 3 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) [2022-12-14 03:08:45,333 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 03:08:48,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:08:48,161 INFO L93 Difference]: Finished difference Result 161802 states and 230044 transitions. [2022-12-14 03:08:48,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 03:08:48,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 3 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) Word has length 831 [2022-12-14 03:08:48,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:08:48,479 INFO L225 Difference]: With dead ends: 161802 [2022-12-14 03:08:48,479 INFO L226 Difference]: Without dead ends: 87584 [2022-12-14 03:08:48,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 03:08:48,686 INFO L413 NwaCegarLoop]: 3803 mSDtfsCounter, 1632 mSDsluCounter, 5433 mSDsCounter, 0 mSdLazyCounter, 2603 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1632 SdHoareTripleChecker+Valid, 9236 SdHoareTripleChecker+Invalid, 2616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2603 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-14 03:08:48,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1632 Valid, 9236 Invalid, 2616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2603 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-12-14 03:08:48,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87584 states. [2022-12-14 03:08:51,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87584 to 87563. [2022-12-14 03:08:51,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87563 states, 54497 states have (on average 1.3108427986861662) internal successors, (71437), 54683 states have internal predecessors, (71437), 26464 states have call successors, (26464), 6607 states have call predecessors, (26464), 6600 states have return successors, (26461), 26284 states have call predecessors, (26461), 26461 states have call successors, (26461) [2022-12-14 03:08:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87563 states to 87563 states and 124362 transitions. [2022-12-14 03:08:51,982 INFO L78 Accepts]: Start accepts. Automaton has 87563 states and 124362 transitions. Word has length 831 [2022-12-14 03:08:51,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:08:51,983 INFO L495 AbstractCegarLoop]: Abstraction has 87563 states and 124362 transitions. [2022-12-14 03:08:51,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 3 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) [2022-12-14 03:08:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 87563 states and 124362 transitions. [2022-12-14 03:08:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 873 [2022-12-14 03:08:52,152 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:08:52,152 INFO L195 NwaCegarLoop]: trace histogram [52, 36, 36, 36, 36, 36, 36, 31, 31, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:08:52,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 03:08:52,153 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:08:52,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:08:52,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1569300624, now seen corresponding path program 1 times [2022-12-14 03:08:52,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:08:52,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047530674] [2022-12-14 03:08:52,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:08:52,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:08:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:08:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8628 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 8501 trivial. 0 not checked. [2022-12-14 03:08:52,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:08:52,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047530674] [2022-12-14 03:08:52,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047530674] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:08:52,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:08:52,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 03:08:52,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181683478] [2022-12-14 03:08:52,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:08:52,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 03:08:52,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:08:52,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 03:08:52,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 03:08:52,963 INFO L87 Difference]: Start difference. First operand 87563 states and 124362 transitions. Second operand has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:09:00,048 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 03:09:04,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:09:04,516 INFO L93 Difference]: Finished difference Result 215709 states and 311848 transitions. [2022-12-14 03:09:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 03:09:04,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 872 [2022-12-14 03:09:04,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:09:05,010 INFO L225 Difference]: With dead ends: 215709 [2022-12-14 03:09:05,010 INFO L226 Difference]: Without dead ends: 129168 [2022-12-14 03:09:05,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:09:05,344 INFO L413 NwaCegarLoop]: 4529 mSDtfsCounter, 2814 mSDsluCounter, 7130 mSDsCounter, 0 mSdLazyCounter, 2275 mSolverCounterSat, 332 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 11659 SdHoareTripleChecker+Invalid, 2608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 2275 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-14 03:09:05,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3155 Valid, 11659 Invalid, 2608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 2275 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-12-14 03:09:05,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129168 states. [2022-12-14 03:09:09,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129168 to 99778. [2022-12-14 03:09:09,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99778 states, 62110 states have (on average 1.3112703268394783) internal successors, (81443), 62327 states have internal predecessors, (81443), 30094 states have call successors, (30094), 7580 states have call predecessors, (30094), 7572 states have return successors, (30091), 29882 states have call predecessors, (30091), 30091 states have call successors, (30091) [2022-12-14 03:09:09,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99778 states to 99778 states and 141628 transitions. [2022-12-14 03:09:09,700 INFO L78 Accepts]: Start accepts. Automaton has 99778 states and 141628 transitions. Word has length 872 [2022-12-14 03:09:09,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:09:09,700 INFO L495 AbstractCegarLoop]: Abstraction has 99778 states and 141628 transitions. [2022-12-14 03:09:09,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:09:09,701 INFO L276 IsEmpty]: Start isEmpty. Operand 99778 states and 141628 transitions. [2022-12-14 03:09:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 875 [2022-12-14 03:09:09,894 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:09:09,894 INFO L195 NwaCegarLoop]: trace histogram [52, 36, 36, 36, 36, 36, 36, 31, 31, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:09:09,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 03:09:09,895 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:09:09,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:09:09,895 INFO L85 PathProgramCache]: Analyzing trace with hash -681517793, now seen corresponding path program 1 times [2022-12-14 03:09:09,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:09:09,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137462507] [2022-12-14 03:09:09,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:09:09,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:09:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:09:10,590 INFO L134 CoverageAnalysis]: Checked inductivity of 8631 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 8502 trivial. 0 not checked. [2022-12-14 03:09:10,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:09:10,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137462507] [2022-12-14 03:09:10,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137462507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:09:10,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:09:10,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 03:09:10,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639864623] [2022-12-14 03:09:10,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:09:10,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 03:09:10,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:09:10,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 03:09:10,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 03:09:10,593 INFO L87 Difference]: Start difference. First operand 99778 states and 141628 transitions. Second operand has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:09:18,136 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 03:09:23,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:09:23,644 INFO L93 Difference]: Finished difference Result 240103 states and 346452 transitions. [2022-12-14 03:09:23,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 03:09:23,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 874 [2022-12-14 03:09:23,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:09:24,193 INFO L225 Difference]: With dead ends: 240103 [2022-12-14 03:09:24,193 INFO L226 Difference]: Without dead ends: 141347 [2022-12-14 03:09:24,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:09:24,479 INFO L413 NwaCegarLoop]: 4607 mSDtfsCounter, 2615 mSDsluCounter, 7341 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 293 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2980 SdHoareTripleChecker+Valid, 11948 SdHoareTripleChecker+Invalid, 2583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-14 03:09:24,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2980 Valid, 11948 Invalid, 2583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 2289 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-12-14 03:09:24,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141347 states. [2022-12-14 03:09:29,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141347 to 111957. [2022-12-14 03:09:29,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111957 states, 69747 states have (on average 1.3113252182889588) internal successors, (91461), 69995 states have internal predecessors, (91461), 33700 states have call successors, (33700), 8517 states have call predecessors, (33700), 8508 states have return successors, (33697), 33456 states have call predecessors, (33697), 33697 states have call successors, (33697) [2022-12-14 03:09:29,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111957 states to 111957 states and 158858 transitions. [2022-12-14 03:09:29,875 INFO L78 Accepts]: Start accepts. Automaton has 111957 states and 158858 transitions. Word has length 874 [2022-12-14 03:09:29,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:09:29,876 INFO L495 AbstractCegarLoop]: Abstraction has 111957 states and 158858 transitions. [2022-12-14 03:09:29,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:09:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 111957 states and 158858 transitions. [2022-12-14 03:09:30,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 875 [2022-12-14 03:09:30,195 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:09:30,195 INFO L195 NwaCegarLoop]: trace histogram [52, 36, 36, 36, 36, 36, 36, 31, 31, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:30,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 03:09:30,196 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:09:30,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:09:30,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1157159809, now seen corresponding path program 1 times [2022-12-14 03:09:30,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:09:30,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412203384] [2022-12-14 03:09:30,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:09:30,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:09:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:09:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 8628 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 8501 trivial. 0 not checked. [2022-12-14 03:09:30,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:09:30,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412203384] [2022-12-14 03:09:30,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412203384] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:09:30,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:09:30,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 03:09:30,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734347353] [2022-12-14 03:09:30,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:09:30,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 03:09:30,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:09:30,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 03:09:30,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 03:09:30,840 INFO L87 Difference]: Start difference. First operand 111957 states and 158858 transitions. Second operand has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:09:38,682 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 03:09:44,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:09:44,636 INFO L93 Difference]: Finished difference Result 264497 states and 380948 transitions. [2022-12-14 03:09:44,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 03:09:44,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 874 [2022-12-14 03:09:44,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:09:45,229 INFO L225 Difference]: With dead ends: 264497 [2022-12-14 03:09:45,230 INFO L226 Difference]: Without dead ends: 153562 [2022-12-14 03:09:45,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:09:45,556 INFO L413 NwaCegarLoop]: 4588 mSDtfsCounter, 2672 mSDsluCounter, 7259 mSDsCounter, 0 mSdLazyCounter, 2303 mSolverCounterSat, 308 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 11847 SdHoareTripleChecker+Invalid, 2612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 2303 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-12-14 03:09:45,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3027 Valid, 11847 Invalid, 2612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 2303 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-12-14 03:09:45,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153562 states. [2022-12-14 03:09:51,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153562 to 124172. [2022-12-14 03:09:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124172 states, 77408 states have (on average 1.3112727366680446) internal successors, (101503), 77687 states have internal predecessors, (101503), 37306 states have call successors, (37306), 9466 states have call predecessors, (37306), 9456 states have return successors, (37303), 37030 states have call predecessors, (37303), 37303 states have call successors, (37303) [2022-12-14 03:09:51,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124172 states to 124172 states and 176112 transitions. [2022-12-14 03:09:51,940 INFO L78 Accepts]: Start accepts. Automaton has 124172 states and 176112 transitions. Word has length 874 [2022-12-14 03:09:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:09:51,941 INFO L495 AbstractCegarLoop]: Abstraction has 124172 states and 176112 transitions. [2022-12-14 03:09:51,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:09:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 124172 states and 176112 transitions. [2022-12-14 03:09:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 877 [2022-12-14 03:09:52,164 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:09:52,165 INFO L195 NwaCegarLoop]: trace histogram [52, 36, 36, 36, 36, 36, 36, 31, 31, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:09:52,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 03:09:52,165 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:09:52,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:09:52,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1548487395, now seen corresponding path program 1 times [2022-12-14 03:09:52,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:09:52,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501254243] [2022-12-14 03:09:52,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:09:52,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:09:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:09:52,910 INFO L134 CoverageAnalysis]: Checked inductivity of 8631 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8599 trivial. 0 not checked. [2022-12-14 03:09:52,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:09:52,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501254243] [2022-12-14 03:09:52,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501254243] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:09:52,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:09:52,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:09:52,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195985568] [2022-12-14 03:09:52,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:09:52,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:09:52,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:09:52,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:09:52,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:09:52,913 INFO L87 Difference]: Start difference. First operand 124172 states and 176112 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) [2022-12-14 03:10:00,906 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 03:10:05,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:10:05,604 INFO L93 Difference]: Finished difference Result 307486 states and 436211 transitions. [2022-12-14 03:10:05,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:10:05,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) Word has length 876 [2022-12-14 03:10:05,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:10:06,433 INFO L225 Difference]: With dead ends: 307486 [2022-12-14 03:10:06,433 INFO L226 Difference]: Without dead ends: 184336 [2022-12-14 03:10:06,897 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 03:10:06,897 INFO L413 NwaCegarLoop]: 4761 mSDtfsCounter, 2714 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 7219 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 03:10:06,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2714 Valid, 7219 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1311 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 03:10:07,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184336 states. [2022-12-14 03:10:14,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184336 to 184334. [2022-12-14 03:10:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184334 states, 115040 states have (on average 1.3104485396383867) internal successors, (150754), 115361 states have internal predecessors, (150754), 55234 states have call successors, (55234), 14068 states have call predecessors, (55234), 14058 states have return successors, (55231), 54922 states have call predecessors, (55231), 55231 states have call successors, (55231) [2022-12-14 03:10:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184334 states to 184334 states and 261219 transitions. [2022-12-14 03:10:15,047 INFO L78 Accepts]: Start accepts. Automaton has 184334 states and 261219 transitions. Word has length 876 [2022-12-14 03:10:15,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:10:15,048 INFO L495 AbstractCegarLoop]: Abstraction has 184334 states and 261219 transitions. [2022-12-14 03:10:15,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) [2022-12-14 03:10:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 184334 states and 261219 transitions. [2022-12-14 03:10:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2022-12-14 03:10:15,629 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:10:15,630 INFO L195 NwaCegarLoop]: trace histogram [52, 36, 36, 36, 36, 36, 36, 31, 31, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:15,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 03:10:15,630 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:10:15,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:10:15,631 INFO L85 PathProgramCache]: Analyzing trace with hash -544288105, now seen corresponding path program 1 times [2022-12-14 03:10:15,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:10:15,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599818117] [2022-12-14 03:10:15,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:10:15,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:10:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:10:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 8628 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 8537 trivial. 0 not checked. [2022-12-14 03:10:16,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:10:16,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599818117] [2022-12-14 03:10:16,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599818117] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:10:16,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:10:16,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:10:16,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561033441] [2022-12-14 03:10:16,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:10:16,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:10:16,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:10:16,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:10:16,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:10:16,439 INFO L87 Difference]: Start difference. First operand 184334 states and 261219 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) [2022-12-14 03:10:23,536 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 03:10:29,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:10:29,143 INFO L93 Difference]: Finished difference Result 303259 states and 429923 transitions. [2022-12-14 03:10:29,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:10:29,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) Word has length 875 [2022-12-14 03:10:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:10:30,096 INFO L225 Difference]: With dead ends: 303259 [2022-12-14 03:10:30,096 INFO L226 Difference]: Without dead ends: 211486 [2022-12-14 03:10:30,548 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 03:10:30,549 INFO L413 NwaCegarLoop]: 4782 mSDtfsCounter, 2675 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2675 SdHoareTripleChecker+Valid, 7240 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 03:10:30,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2675 Valid, 7240 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1311 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 03:10:30,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211486 states. [2022-12-14 03:10:39,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211486 to 211316. [2022-12-14 03:10:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211316 states, 131835 states have (on average 1.3106231273940911) internal successors, (172786), 132175 states have internal predecessors, (172786), 63337 states have call successors, (63337), 16152 states have call predecessors, (63337), 16142 states have return successors, (63334), 63009 states have call predecessors, (63334), 63334 states have call successors, (63334) [2022-12-14 03:10:40,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211316 states to 211316 states and 299457 transitions. [2022-12-14 03:10:40,429 INFO L78 Accepts]: Start accepts. Automaton has 211316 states and 299457 transitions. Word has length 875 [2022-12-14 03:10:40,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:10:40,430 INFO L495 AbstractCegarLoop]: Abstraction has 211316 states and 299457 transitions. [2022-12-14 03:10:40,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) [2022-12-14 03:10:40,430 INFO L276 IsEmpty]: Start isEmpty. Operand 211316 states and 299457 transitions. [2022-12-14 03:10:41,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2022-12-14 03:10:41,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:10:41,020 INFO L195 NwaCegarLoop]: trace histogram [51, 36, 36, 36, 36, 36, 36, 34, 34, 16, 14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:10:41,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 03:10:41,021 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:10:41,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:10:41,021 INFO L85 PathProgramCache]: Analyzing trace with hash -550920466, now seen corresponding path program 1 times [2022-12-14 03:10:41,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:10:41,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446919592] [2022-12-14 03:10:41,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:10:41,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:10:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:10:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 9115 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 9085 trivial. 0 not checked. [2022-12-14 03:10:41,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:10:41,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446919592] [2022-12-14 03:10:41,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446919592] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 03:10:41,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101448715] [2022-12-14 03:10:41,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:10:41,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:10:41,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:10:41,971 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 03:10:41,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 03:10:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:10:43,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 9176 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 03:10:43,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:10:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 9115 backedges. 1893 proven. 0 refuted. 0 times theorem prover too weak. 7222 trivial. 0 not checked. [2022-12-14 03:10:44,774 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:10:44,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101448715] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:10:44,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 03:10:44,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 03:10:44,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143802844] [2022-12-14 03:10:44,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:10:44,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:10:44,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:10:44,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:10:44,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:10:44,777 INFO L87 Difference]: Start difference. First operand 211316 states and 299457 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (88), 3 states have call predecessors, (88), 3 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:10:51,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 03:10:54,837 WARN L539 Checker$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 03:11:01,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:11:01,541 INFO L93 Difference]: Finished difference Result 369156 states and 523241 transitions. [2022-12-14 03:11:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:11:01,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (88), 3 states have call predecessors, (88), 3 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 911 [2022-12-14 03:11:01,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:11:02,612 INFO L225 Difference]: With dead ends: 369156 [2022-12-14 03:11:02,612 INFO L226 Difference]: Without dead ends: 250401 [2022-12-14 03:11:03,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 914 GetRequests, 911 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:11:03,021 INFO L413 NwaCegarLoop]: 3082 mSDtfsCounter, 2436 mSDsluCounter, 2457 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 5539 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-14 03:11:03,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2436 Valid, 5539 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 900 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-12-14 03:11:03,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250401 states. [2022-12-14 03:11:13,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250401 to 250270. [2022-12-14 03:11:14,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250270 states, 156084 states have (on average 1.3101855411188847) internal successors, (204499), 156541 states have internal predecessors, (204499), 74949 states have call successors, (74949), 19245 states have call predecessors, (74949), 19235 states have return successors, (74946), 74508 states have call predecessors, (74946), 74946 states have call successors, (74946) [2022-12-14 03:11:15,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250270 states to 250270 states and 354394 transitions. [2022-12-14 03:11:15,243 INFO L78 Accepts]: Start accepts. Automaton has 250270 states and 354394 transitions. Word has length 911 [2022-12-14 03:11:15,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:11:15,244 INFO L495 AbstractCegarLoop]: Abstraction has 250270 states and 354394 transitions. [2022-12-14 03:11:15,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (88), 3 states have call predecessors, (88), 3 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:11:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 250270 states and 354394 transitions. [2022-12-14 03:11:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 894 [2022-12-14 03:11:15,795 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:11:15,795 INFO L195 NwaCegarLoop]: trace histogram [53, 36, 36, 36, 36, 36, 36, 32, 32, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:15,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 03:11:15,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2587ae-897b-4cc9-949f-cc6f315d10c9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 03:11:15,997 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:11:15,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:11:15,999 INFO L85 PathProgramCache]: Analyzing trace with hash -807247360, now seen corresponding path program 1 times [2022-12-14 03:11:15,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:11:15,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264148883] [2022-12-14 03:11:16,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:16,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:11:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:11:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8877 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8843 trivial. 0 not checked. [2022-12-14 03:11:16,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:11:16,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264148883] [2022-12-14 03:11:16,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264148883] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:11:16,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:11:16,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:11:16,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315228574] [2022-12-14 03:11:16,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:11:16,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:11:16,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:11:16,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:11:16,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:11:16,590 INFO L87 Difference]: Start difference. First operand 250270 states and 354394 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:11:25,050 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 03:11:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:11:35,086 INFO L93 Difference]: Finished difference Result 569511 states and 806619 transitions. [2022-12-14 03:11:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:11:35,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 893 [2022-12-14 03:11:35,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:11:36,509 INFO L225 Difference]: With dead ends: 569511 [2022-12-14 03:11:36,509 INFO L226 Difference]: Without dead ends: 320263 [2022-12-14 03:11:37,423 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 03:11:37,424 INFO L413 NwaCegarLoop]: 4782 mSDtfsCounter, 2714 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 7240 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 03:11:37,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2714 Valid, 7240 Invalid, 1318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1311 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 03:11:37,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320263 states. [2022-12-14 03:11:50,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320263 to 320261. [2022-12-14 03:11:51,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320261 states, 199829 states have (on average 1.3098399131257226) internal successors, (261744), 200347 states have internal predecessors, (261744), 95802 states have call successors, (95802), 24638 states have call predecessors, (95802), 24628 states have return successors, (95799), 95307 states have call predecessors, (95799), 95799 states have call successors, (95799) [2022-12-14 03:11:52,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320261 states to 320261 states and 453345 transitions. [2022-12-14 03:11:52,672 INFO L78 Accepts]: Start accepts. Automaton has 320261 states and 453345 transitions. Word has length 893 [2022-12-14 03:11:52,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:11:52,673 INFO L495 AbstractCegarLoop]: Abstraction has 320261 states and 453345 transitions. [2022-12-14 03:11:52,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:11:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 320261 states and 453345 transitions. [2022-12-14 03:11:53,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2022-12-14 03:11:53,377 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:11:53,377 INFO L195 NwaCegarLoop]: trace histogram [53, 36, 36, 36, 36, 36, 36, 32, 32, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:11:53,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 03:11:53,378 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:11:53,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:11:53,378 INFO L85 PathProgramCache]: Analyzing trace with hash -2060639348, now seen corresponding path program 1 times [2022-12-14 03:11:53,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:11:53,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940255762] [2022-12-14 03:11:53,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:53,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:11:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:11:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 8881 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 8778 trivial. 0 not checked. [2022-12-14 03:11:54,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:11:54,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940255762] [2022-12-14 03:11:54,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940255762] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:11:54,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:11:54,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:11:54,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332947819] [2022-12-14 03:11:54,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:11:54,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:11:54,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:11:54,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:11:54,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:11:54,200 INFO L87 Difference]: Start difference. First operand 320261 states and 453345 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:12:02,095 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 03:12:13,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:12:13,286 INFO L93 Difference]: Finished difference Result 553341 states and 783627 transitions. [2022-12-14 03:12:13,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:12:13,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 894 [2022-12-14 03:12:13,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:12:15,077 INFO L225 Difference]: With dead ends: 553341 [2022-12-14 03:12:15,077 INFO L226 Difference]: Without dead ends: 356199 [2022-12-14 03:12:15,972 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 03:12:15,973 INFO L413 NwaCegarLoop]: 4782 mSDtfsCounter, 2673 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2673 SdHoareTripleChecker+Valid, 7240 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-12-14 03:12:15,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2673 Valid, 7240 Invalid, 1318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1311 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-12-14 03:12:16,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356199 states. [2022-12-14 03:12:30,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356199 to 356005. [2022-12-14 03:12:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356005 states, 222081 states have (on average 1.3100085104083645) internal successors, (290928), 222635 states have internal predecessors, (290928), 106526 states have call successors, (106526), 27406 states have call predecessors, (106526), 27396 states have return successors, (106523), 105999 states have call predecessors, (106523), 106523 states have call successors, (106523) [2022-12-14 03:12:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356005 states to 356005 states and 503977 transitions. [2022-12-14 03:12:32,956 INFO L78 Accepts]: Start accepts. Automaton has 356005 states and 503977 transitions. Word has length 894 [2022-12-14 03:12:32,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:12:32,957 INFO L495 AbstractCegarLoop]: Abstraction has 356005 states and 503977 transitions. [2022-12-14 03:12:32,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-12-14 03:12:32,957 INFO L276 IsEmpty]: Start isEmpty. Operand 356005 states and 503977 transitions. [2022-12-14 03:12:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2022-12-14 03:12:33,552 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:12:33,553 INFO L195 NwaCegarLoop]: trace histogram [54, 36, 36, 36, 36, 36, 36, 33, 33, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:12:33,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 03:12:33,553 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:12:33,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:12:33,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1716663952, now seen corresponding path program 1 times [2022-12-14 03:12:33,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:12:33,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128423015] [2022-12-14 03:12:33,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:12:33,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:12:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:12:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 9143 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9099 trivial. 0 not checked. [2022-12-14 03:12:34,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:12:34,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128423015] [2022-12-14 03:12:34,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128423015] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:12:34,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:12:34,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:12:34,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51918797] [2022-12-14 03:12:34,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:12:34,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:12:34,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:12:34,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:12:34,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:12:34,409 INFO L87 Difference]: Start difference. First operand 356005 states and 503977 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (89), 3 states have call predecessors, (89), 3 states have call successors, (89) [2022-12-14 03:12:43,466 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 []