./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/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_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/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_885921cb-c87d-44de-b688-60c19a81b200/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 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 --- 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 14:39:57,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:39:57,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:39:57,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:39:57,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:39:57,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:39:57,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:39:57,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:39:57,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:39:57,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:39:57,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:39:57,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:39:57,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:39:57,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:39:57,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:39:57,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:39:57,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:39:57,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:39:57,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:39:57,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:39:57,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:39:57,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:39:57,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:39:57,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:39:57,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:39:57,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:39:57,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:39:57,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:39:57,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:39:57,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:39:57,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:39:57,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:39:57,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:39:57,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:39:57,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:39:57,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:39:57,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:39:57,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:39:57,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:39:57,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:39:57,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:39:57,868 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 14:39:57,887 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:39:57,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:39:57,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:39:57,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:39:57,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:39:57,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:39:57,889 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:39:57,889 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:39:57,889 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:39:57,890 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:39:57,890 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:39:57,890 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:39:57,890 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:39:57,890 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:39:57,891 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:39:57,891 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:39:57,891 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:39:57,891 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:39:57,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:39:57,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:39:57,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:39:57,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:39:57,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:39:57,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:39:57,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:39:57,893 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:39:57,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:39:57,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:39:57,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:39:57,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:39:57,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:39:57,894 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:39:57,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:39:57,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:39:57,895 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:39:57,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:39:57,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:39:57,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:39:57,895 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_885921cb-c87d-44de-b688-60c19a81b200/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 [2022-12-14 14:39:58,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:39:58,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:39:58,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:39:58,104 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:39:58,104 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:39:58,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2022-12-14 14:40:00,695 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:40:01,176 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:40:01,176 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2022-12-14 14:40:01,215 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/data/c664c55ea/1d63e9caabe5478fa2b6f6050d136895/FLAG6ffda126e [2022-12-14 14:40:01,228 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/data/c664c55ea/1d63e9caabe5478fa2b6f6050d136895 [2022-12-14 14:40:01,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:40:01,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:40:01,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:40:01,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:40:01,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:40:01,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:40:01" (1/1) ... [2022-12-14 14:40:01,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce6494c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:01, skipping insertion in model container [2022-12-14 14:40:01,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:40:01" (1/1) ... [2022-12-14 14:40:01,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:40:01,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:40:01,826 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:01,893 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 14:40:01,902 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 14:40:01,911 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 14:40:01,971 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-14 14:40:02,216 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 14:40:02,218 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:40:02,218 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 14:40:02,223 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 14:40:02,224 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 14:40:02,224 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 14:40:02,233 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 14:40:02,306 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-14 14:40:02,348 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-14 14:40:02,408 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_flags [2022-12-14 14:40:02,491 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 14:40:02,999 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_ref [2022-12-14 14:40:03,000 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_deref [2022-12-14 14:40:03,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,007 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,008 WARN L623 FunctionHandler]: Unknown extern function tty_port_install [2022-12-14 14:40:03,009 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,010 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 14:40:03,011 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-14 14:40:03,011 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:40:03,011 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-14 14:40:03,012 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:40:03,014 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,014 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,017 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,018 WARN L623 FunctionHandler]: Unknown extern function tty_port_close_start [2022-12-14 14:40:03,018 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:40:03,018 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_flush [2022-12-14 14:40:03,019 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:40:03,019 WARN L623 FunctionHandler]: Unknown extern function tty_port_close_end [2022-12-14 14:40:03,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,022 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:40:03,023 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:40:03,023 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,038 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,042 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 14:40:03,043 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 14:40:03,043 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 14:40:03,044 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 14:40:03,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,048 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,049 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,051 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,052 WARN L623 FunctionHandler]: Unknown extern function tty_wakeup [2022-12-14 14:40:03,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,072 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,074 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,075 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,076 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,077 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,077 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,078 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,078 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,079 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,079 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,080 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,080 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,080 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,081 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,081 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,082 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,082 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,083 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,083 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,084 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,084 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,090 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,095 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 14:40:03,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,126 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:03,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,134 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-14 14:40:03,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,136 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:40:03,137 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:03,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,144 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-14 14:40:03,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,153 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 14:40:03,156 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 14:40:03,160 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 14:40:03,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,171 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 14:40:03,172 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 14:40:03,173 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-14 14:40:03,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,176 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-14 14:40:03,180 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,185 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,186 WARN L623 FunctionHandler]: Unknown extern function tty_wakeup [2022-12-14 14:40:03,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,193 WARN L623 FunctionHandler]: Unknown extern function do_SAK [2022-12-14 14:40:03,194 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,200 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-14 14:40:03,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,229 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:40:03,229 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:03,231 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,231 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,232 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,233 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,233 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,234 WARN L623 FunctionHandler]: Unknown extern function tty_hangup [2022-12-14 14:40:03,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,244 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,245 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,254 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,255 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,260 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,260 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,261 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:03,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,273 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,273 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:40:03,274 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:40:03,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,275 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:40:03,276 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:40:03,276 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,278 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:40:03,278 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:40:03,279 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,280 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,282 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,283 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,288 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,291 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,292 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 14:40:03,292 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:40:03,294 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,297 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 14:40:03,298 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,299 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 14:40:03,302 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 14:40:03,303 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,303 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:40:03,305 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,306 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 14:40:03,307 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,324 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 14:40:03,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,325 WARN L623 FunctionHandler]: Unknown extern function tty_port_raise_dtr_rts [2022-12-14 14:40:03,326 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,326 WARN L623 FunctionHandler]: Unknown extern function tty_hung_up_p [2022-12-14 14:40:03,327 WARN L623 FunctionHandler]: Unknown extern function tty_port_carrier_raised [2022-12-14 14:40:03,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,328 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-14 14:40:03,328 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:40:03,328 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-14 14:40:03,329 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,329 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 14:40:03,329 WARN L623 FunctionHandler]: Unknown extern function tty_hung_up_p [2022-12-14 14:40:03,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,333 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,333 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,342 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:03,342 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:03,343 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:03,343 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 14:40:03,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,344 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 14:40:03,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,345 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 14:40:03,346 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,346 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 14:40:03,347 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,347 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 14:40:03,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,355 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 14:40:03,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,357 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 14:40:03,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,358 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 14:40:03,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,361 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 14:40:03,361 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 14:40:03,362 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 14:40:03,362 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 14:40:03,363 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:03,363 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:03,364 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:03,364 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:03,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,366 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 14:40:03,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,375 WARN L623 FunctionHandler]: Unknown extern function tty_port_init [2022-12-14 14:40:03,376 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:40:03,376 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:40:03,377 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:40:03,377 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:40:03,377 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:40:03,381 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-12-14 14:40:03,381 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:03,382 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:40:03,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,394 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-12-14 14:40:03,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,395 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-14 14:40:03,396 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-12-14 14:40:03,396 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:03,400 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,401 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,402 WARN L623 FunctionHandler]: Unknown extern function tty_set_operations [2022-12-14 14:40:03,403 WARN L623 FunctionHandler]: Unknown extern function tty_register_driver [2022-12-14 14:40:03,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,403 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-14 14:40:03,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,411 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,412 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,416 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,441 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 14:40:03,449 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 14:40:03,450 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 14:40:03,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,468 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 14:40:03,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,541 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 14:40:03,543 WARN L623 FunctionHandler]: Unknown extern function ldv_destruct_6 [2022-12-14 14:40:03,544 WARN L623 FunctionHandler]: Unknown extern function ldv_activate_6 [2022-12-14 14:40:03,544 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_6 [2022-12-14 14:40:03,545 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-14 14:40:03,545 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-14 14:40:03,546 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-12-14 14:40:03,546 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_7 [2022-12-14 14:40:03,547 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_7 [2022-12-14 14:40:03,547 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_9 [2022-12-14 14:40:03,548 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 14:40:03,548 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:40:03,549 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:40:03,558 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_5 [2022-12-14 14:40:03,559 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_5 [2022-12-14 14:40:03,559 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_5 [2022-12-14 14:40:03,559 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-12-14 14:40:03,560 WARN L623 FunctionHandler]: Unknown extern function ldv_setup_5 [2022-12-14 14:40:03,560 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 14:40:03,561 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:40:03,562 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:40:03,562 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:40:03,563 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:40:03,563 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:40:03,565 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:40:03,565 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 14:40:03,566 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:40:03,566 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:40:03,566 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:40:03,567 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:03,567 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:40:03,567 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:40:03,568 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:40:03,568 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 14:40:03,569 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 14:40:03,569 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:03,570 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:40:03,570 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:03,575 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_885921cb-c87d-44de-b688-60c19a81b200/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2022-12-14 14:40:03,601 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 14:40:03,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:40:03,664 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:40:03,734 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:03,735 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 14:40:03,735 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 14:40:03,735 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 14:40:03,736 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-14 14:40:03,738 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 14:40:03,739 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:40:03,739 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 14:40:03,739 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 14:40:03,739 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 14:40:03,740 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 14:40:03,740 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 14:40:03,740 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-14 14:40:03,741 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-14 14:40:03,743 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_flags [2022-12-14 14:40:03,745 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 14:40:03,772 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_ref [2022-12-14 14:40:03,776 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_deref [2022-12-14 14:40:03,777 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,783 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,783 WARN L623 FunctionHandler]: Unknown extern function tty_port_install [2022-12-14 14:40:03,787 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,788 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 14:40:03,788 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-14 14:40:03,788 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:40:03,788 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-14 14:40:03,788 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:40:03,789 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,794 WARN L623 FunctionHandler]: Unknown extern function tty_port_close_start [2022-12-14 14:40:03,794 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:40:03,795 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_flush [2022-12-14 14:40:03,795 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:40:03,795 WARN L623 FunctionHandler]: Unknown extern function tty_port_close_end [2022-12-14 14:40:03,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,799 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:40:03,802 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:40:03,803 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,805 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,811 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,812 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 14:40:03,812 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 14:40:03,813 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-14 14:40:03,813 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 14:40:03,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,814 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,815 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,816 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,817 WARN L623 FunctionHandler]: Unknown extern function tty_wakeup [2022-12-14 14:40:03,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,823 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,824 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,824 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,824 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,825 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,825 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,825 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 14:40:03,825 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,826 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,826 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,826 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,826 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,826 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,827 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,827 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,827 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,827 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,828 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,828 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,828 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,828 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,829 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:40:03,831 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-14 14:40:03,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,833 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,834 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,839 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:03,839 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,839 WARN L623 FunctionHandler]: Unknown extern function hdlc_open [2022-12-14 14:40:03,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,840 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:40:03,841 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:03,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,841 WARN L623 FunctionHandler]: Unknown extern function hdlc_close [2022-12-14 14:40:03,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,843 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 14:40:03,844 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 14:40:03,845 WARN L623 FunctionHandler]: Unknown extern function hdlc_ioctl [2022-12-14 14:40:03,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,847 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 14:40:03,848 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 14:40:03,848 WARN L623 FunctionHandler]: Unknown extern function alloc_hdlcdev [2022-12-14 14:40:03,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,850 WARN L623 FunctionHandler]: Unknown extern function unregister_hdlc_device [2022-12-14 14:40:03,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,852 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,852 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,856 WARN L623 FunctionHandler]: Unknown extern function tty_wakeup [2022-12-14 14:40:03,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,857 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,860 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,861 WARN L623 FunctionHandler]: Unknown extern function do_SAK [2022-12-14 14:40:03,861 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,864 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-14 14:40:03,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,880 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,882 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,883 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,884 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,885 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:40:03,885 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:03,886 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,886 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,887 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,887 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,887 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,888 WARN L623 FunctionHandler]: Unknown extern function tty_hangup [2022-12-14 14:40:03,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,891 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,892 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,898 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,934 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,934 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,935 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,937 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,937 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:40:03,937 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:03,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,953 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:40:03,954 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:40:03,954 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,954 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:40:03,955 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:40:03,955 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,955 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,956 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 14:40:03,956 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:40:03,957 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,957 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,964 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,964 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 14:40:03,964 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:40:03,965 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,968 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 14:40:03,968 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,969 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 14:40:03,972 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 14:40:03,972 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,972 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:40:03,973 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,974 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 14:40:03,975 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,976 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,985 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 14:40:03,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,986 WARN L623 FunctionHandler]: Unknown extern function tty_port_raise_dtr_rts [2022-12-14 14:40:03,986 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,986 WARN L623 FunctionHandler]: Unknown extern function tty_hung_up_p [2022-12-14 14:40:03,987 WARN L623 FunctionHandler]: Unknown extern function tty_port_carrier_raised [2022-12-14 14:40:03,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,987 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-14 14:40:03,988 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:40:03,988 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-14 14:40:03,988 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:40:03,988 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 14:40:03,988 WARN L623 FunctionHandler]: Unknown extern function tty_hung_up_p [2022-12-14 14:40:03,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,996 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:03,996 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:03,997 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:03,997 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 14:40:03,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,998 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 14:40:03,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,998 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 14:40:03,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,999 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 14:40:03,999 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:03,999 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 14:40:03,999 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,000 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 14:40:04,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,000 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 14:40:04,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,001 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 14:40:04,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,003 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 14:40:04,003 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 14:40:04,003 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 14:40:04,003 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 14:40:04,004 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:04,004 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:04,004 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:04,004 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:04,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,008 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 14:40:04,013 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,015 WARN L623 FunctionHandler]: Unknown extern function tty_port_init [2022-12-14 14:40:04,015 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:40:04,015 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:40:04,015 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:40:04,016 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:40:04,016 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:40:04,018 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-12-14 14:40:04,018 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:04,019 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:40:04,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,023 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-12-14 14:40:04,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,023 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-14 14:40:04,029 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-12-14 14:40:04,029 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:04,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,031 WARN L623 FunctionHandler]: Unknown extern function tty_set_operations [2022-12-14 14:40:04,031 WARN L623 FunctionHandler]: Unknown extern function tty_register_driver [2022-12-14 14:40:04,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,032 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-14 14:40:04,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,038 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,052 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,106 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 14:40:04,124 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 14:40:04,125 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 14:40:04,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,180 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 14:40:04,180 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:04,189 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 14:40:04,190 WARN L623 FunctionHandler]: Unknown extern function ldv_destruct_6 [2022-12-14 14:40:04,191 WARN L623 FunctionHandler]: Unknown extern function ldv_activate_6 [2022-12-14 14:40:04,191 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_6 [2022-12-14 14:40:04,192 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-14 14:40:04,192 WARN L623 FunctionHandler]: Unknown extern function hdlc_change_mtu [2022-12-14 14:40:04,192 WARN L623 FunctionHandler]: Unknown extern function hdlc_start_xmit [2022-12-14 14:40:04,192 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_7 [2022-12-14 14:40:04,193 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_7 [2022-12-14 14:40:04,193 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_9 [2022-12-14 14:40:04,193 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-14 14:40:04,194 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:40:04,194 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:40:04,200 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_5 [2022-12-14 14:40:04,200 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_5 [2022-12-14 14:40:04,200 WARN L623 FunctionHandler]: Unknown extern function ldv_disconnect_5 [2022-12-14 14:40:04,201 WARN L623 FunctionHandler]: Unknown extern function ldv_release_5 [2022-12-14 14:40:04,201 WARN L623 FunctionHandler]: Unknown extern function ldv_setup_5 [2022-12-14 14:40:04,201 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 14:40:04,202 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:40:04,202 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:40:04,203 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:40:04,203 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:40:04,203 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:40:04,204 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:40:04,204 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 14:40:04,205 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:40:04,205 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:40:04,205 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:40:04,205 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:04,205 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:40:04,206 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:40:04,206 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:40:04,206 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 14:40:04,207 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 14:40:04,207 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:04,207 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:40:04,207 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:04,208 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_885921cb-c87d-44de-b688-60c19a81b200/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2022-12-14 14:40:04,209 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 14:40:04,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:40:04,318 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:40:04,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04 WrapperNode [2022-12-14 14:40:04,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:40:04,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:40:04,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:40:04,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:40:04,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (1/1) ... [2022-12-14 14:40:04,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (1/1) ... [2022-12-14 14:40:04,588 INFO L138 Inliner]: procedures = 389, calls = 4022, calls flagged for inlining = 186, calls inlined = 180, statements flattened = 9223 [2022-12-14 14:40:04,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:40:04,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:40:04,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:40:04,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:40:04,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (1/1) ... [2022-12-14 14:40:04,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (1/1) ... [2022-12-14 14:40:04,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (1/1) ... [2022-12-14 14:40:04,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (1/1) ... [2022-12-14 14:40:04,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (1/1) ... [2022-12-14 14:40:04,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (1/1) ... [2022-12-14 14:40:04,932 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (1/1) ... [2022-12-14 14:40:04,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (1/1) ... [2022-12-14 14:40:05,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:40:05,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:40:05,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:40:05,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:40:05,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (1/1) ... [2022-12-14 14:40:05,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:40:05,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:40:05,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:40:05,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:40:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-12-14 14:40:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-12-14 14:40:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-14 14:40:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 14:40:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 14:40:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 14:40:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 14:40:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-12-14 14:40:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-12-14 14:40:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-14 14:40:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-14 14:40:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-12-14 14:40:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-12-14 14:40:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2022-12-14 14:40:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2022-12-14 14:40:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 14:40:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 14:40:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-12-14 14:40:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-12-14 14:40:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-12-14 14:40:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-12-14 14:40:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-12-14 14:40:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-12-14 14:40:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-14 14:40:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-14 14:40:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 14:40:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 14:40:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2022-12-14 14:40:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2022-12-14 14:40:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-12-14 14:40:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-12-14 14:40:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2022-12-14 14:40:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2022-12-14 14:40:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 14:40:05,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 14:40:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2022-12-14 14:40:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2022-12-14 14:40:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-12-14 14:40:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-12-14 14:40:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 14:40:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-12-14 14:40:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-12-14 14:40:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure isr_io_pin [2022-12-14 14:40:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_io_pin [2022-12-14 14:40:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2022-12-14 14:40:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2022-12-14 14:40:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 14:40:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 14:40:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-12-14 14:40:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-12-14 14:40:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 14:40:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 14:40:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2022-12-14 14:40:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2022-12-14 14:40:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:40:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2022-12-14 14:40:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2022-12-14 14:40:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 14:40:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 14:40:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-12-14 14:40:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-12-14 14:40:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-12-14 14:40:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-12-14 14:40:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 14:40:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 14:40:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2022-12-14 14:40:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2022-12-14 14:40:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 14:40:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 14:40:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-14 14:40:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-14 14:40:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2022-12-14 14:40:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2022-12-14 14:40:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 14:40:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 14:40:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 14:40:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 14:40:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-12-14 14:40:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-12-14 14:40:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-12-14 14:40:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-12-14 14:40:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:40:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-12-14 14:40:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-12-14 14:40:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 14:40:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 14:40:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure install [2022-12-14 14:40:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2022-12-14 14:40:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-12-14 14:40:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-12-14 14:40:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 14:40:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 14:40:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2022-12-14 14:40:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2022-12-14 14:40:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2022-12-14 14:40:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2022-12-14 14:40:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-12-14 14:40:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-12-14 14:40:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 14:40:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 14:40:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-12-14 14:40:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-12-14 14:40:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2022-12-14 14:40:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2022-12-14 14:40:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-12-14 14:40:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-12-14 14:40:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 14:40:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 14:40:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:40:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-12-14 14:40:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-12-14 14:40:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:40:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2022-12-14 14:40:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2022-12-14 14:40:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-12-14 14:40:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-12-14 14:40:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:40:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2022-12-14 14:40:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2022-12-14 14:40:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 14:40:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2022-12-14 14:40:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2022-12-14 14:40:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-12-14 14:40:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-12-14 14:40:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2022-12-14 14:40:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2022-12-14 14:40:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2022-12-14 14:40:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2022-12-14 14:40:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure isr_timer [2022-12-14 14:40:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_timer [2022-12-14 14:40:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2022-12-14 14:40:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2022-12-14 14:40:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 14:40:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 14:40:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2022-12-14 14:40:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2022-12-14 14:40:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-12-14 14:40:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-12-14 14:40:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2022-12-14 14:40:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2022-12-14 14:40:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2022-12-14 14:40:05,082 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2022-12-14 14:40:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 14:40:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 14:40:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 14:40:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 14:40:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-12-14 14:40:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-12-14 14:40:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2022-12-14 14:40:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2022-12-14 14:40:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:40:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:40:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2022-12-14 14:40:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2022-12-14 14:40:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 14:40:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 14:40:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-12-14 14:40:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-12-14 14:40:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 14:40:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 14:40:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 14:40:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 14:40:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-12-14 14:40:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-12-14 14:40:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 14:40:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 14:40:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 14:40:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 14:40:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2022-12-14 14:40:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2022-12-14 14:40:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-12-14 14:40:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-12-14 14:40:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2022-12-14 14:40:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2022-12-14 14:40:05,085 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-12-14 14:40:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-12-14 14:40:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 14:40:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 14:40:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 14:40:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 14:40:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-12-14 14:40:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-12-14 14:40:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2022-12-14 14:40:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2022-12-14 14:40:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 14:40:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 14:40:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 14:40:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 14:40:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 14:40:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 14:40:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-14 14:40:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-14 14:40:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-12-14 14:40:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-12-14 14:40:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-12-14 14:40:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-12-14 14:40:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-12-14 14:40:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-12-14 14:40:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:40:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 14:40:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 14:40:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2022-12-14 14:40:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2022-12-14 14:40:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:40:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-14 14:40:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-14 14:40:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-12-14 14:40:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-12-14 14:40:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:40:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-12-14 14:40:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-12-14 14:40:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-12-14 14:40:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-12-14 14:40:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-12-14 14:40:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-12-14 14:40:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 14:40:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 14:40:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-12-14 14:40:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-12-14 14:40:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-12-14 14:40:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-12-14 14:40:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2022-12-14 14:40:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2022-12-14 14:40:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-12-14 14:40:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-12-14 14:40:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-12-14 14:40:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-12-14 14:40:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 14:40:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 14:40:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-12-14 14:40:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-12-14 14:40:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2022-12-14 14:40:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2022-12-14 14:40:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2022-12-14 14:40:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2022-12-14 14:40:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-12-14 14:40:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-12-14 14:40:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-12-14 14:40:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-12-14 14:40:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 14:40:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 14:40:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2022-12-14 14:40:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2022-12-14 14:40:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-12-14 14:40:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-12-14 14:40:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 14:40:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 14:40:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:40:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2022-12-14 14:40:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2022-12-14 14:40:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg16 [2022-12-14 14:40:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg16 [2022-12-14 14:40:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 14:40:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 14:40:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 14:40:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 14:40:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 14:40:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 14:40:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-12-14 14:40:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-12-14 14:40:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-14 14:40:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-14 14:40:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2022-12-14 14:40:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2022-12-14 14:40:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2022-12-14 14:40:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2022-12-14 14:40:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-12-14 14:40:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-12-14 14:40:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 14:40:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 14:40:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2022-12-14 14:40:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2022-12-14 14:40:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-12-14 14:40:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-12-14 14:40:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 14:40:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 14:40:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-12-14 14:40:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-12-14 14:40:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-12-14 14:40:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-12-14 14:40:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:40:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-12-14 14:40:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-12-14 14:40:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-12-14 14:40:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-12-14 14:40:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-12-14 14:40:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-12-14 14:40:05,783 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:40:05,787 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:40:06,015 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 14:40:37,020 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:40:41,129 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:40:41,129 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:40:41,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:40:41 BoogieIcfgContainer [2022-12-14 14:40:41,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:40:41,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:40:41,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:40:41,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:40:41,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:40:01" (1/3) ... [2022-12-14 14:40:41,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc4d3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:40:41, skipping insertion in model container [2022-12-14 14:40:41,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:04" (2/3) ... [2022-12-14 14:40:41,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc4d3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:40:41, skipping insertion in model container [2022-12-14 14:40:41,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:40:41" (3/3) ... [2022-12-14 14:40:41,139 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2022-12-14 14:40:41,153 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:40:41,153 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:40:41,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:40:41,223 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;@6a8195aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:40:41,223 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:40:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 2424 states, 1466 states have (on average 1.4004092769440655) internal successors, (2053), 1555 states have internal predecessors, (2053), 823 states have call successors, (823), 134 states have call predecessors, (823), 133 states have return successors, (811), 796 states have call predecessors, (811), 811 states have call successors, (811) [2022-12-14 14:40:41,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-12-14 14:40:41,247 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:40:41,247 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:40:41,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:40:41,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:40:41,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1547726178, now seen corresponding path program 1 times [2022-12-14 14:40:41,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:40:41,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125768222] [2022-12-14 14:40:41,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:40:41,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:40:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:40:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1285 trivial. 0 not checked. [2022-12-14 14:40:42,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:40:42,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125768222] [2022-12-14 14:40:42,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125768222] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:40:42,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:40:42,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:40:42,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139791053] [2022-12-14 14:40:42,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:40:42,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:40:42,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:40:42,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:40:42,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:40:42,195 INFO L87 Difference]: Start difference. First operand has 2424 states, 1466 states have (on average 1.4004092769440655) internal successors, (2053), 1555 states have internal predecessors, (2053), 823 states have call successors, (823), 134 states have call predecessors, (823), 133 states have return successors, (811), 796 states have call predecessors, (811), 811 states have call successors, (811) Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-12-14 14:40:44,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:40:46,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:40:48,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:40:50,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:40:55,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:40:59,760 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 14:41:00,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:41:00,078 INFO L93 Difference]: Finished difference Result 6840 states and 10442 transitions. [2022-12-14 14:41:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:41:00,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 285 [2022-12-14 14:41:00,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:41:00,124 INFO L225 Difference]: With dead ends: 6840 [2022-12-14 14:41:00,124 INFO L226 Difference]: Without dead ends: 4376 [2022-12-14 14:41:00,142 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 14:41:00,145 INFO L413 NwaCegarLoop]: 4167 mSDtfsCounter, 3111 mSDsluCounter, 3278 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3114 SdHoareTripleChecker+Valid, 7445 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:41:00,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3114 Valid, 7445 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 823 Invalid, 5 Unknown, 0 Unchecked, 17.6s Time] [2022-12-14 14:41:00,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4376 states. [2022-12-14 14:41:00,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4376 to 4373. [2022-12-14 14:41:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4373 states, 2662 states have (on average 1.3970698722764838) internal successors, (3719), 2806 states have internal predecessors, (3719), 1466 states have call successors, (1466), 245 states have call predecessors, (1466), 244 states have return successors, (1468), 1435 states have call predecessors, (1468), 1465 states have call successors, (1468) [2022-12-14 14:41:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4373 states to 4373 states and 6653 transitions. [2022-12-14 14:41:00,438 INFO L78 Accepts]: Start accepts. Automaton has 4373 states and 6653 transitions. Word has length 285 [2022-12-14 14:41:00,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:41:00,440 INFO L495 AbstractCegarLoop]: Abstraction has 4373 states and 6653 transitions. [2022-12-14 14:41:00,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-12-14 14:41:00,440 INFO L276 IsEmpty]: Start isEmpty. Operand 4373 states and 6653 transitions. [2022-12-14 14:41:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-12-14 14:41:00,455 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:41:00,455 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:41:00,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:41:00,456 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:41:00,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:41:00,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1625923530, now seen corresponding path program 1 times [2022-12-14 14:41:00,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:41:00,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972364592] [2022-12-14 14:41:00,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:41:00,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:41:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:41:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1285 trivial. 0 not checked. [2022-12-14 14:41:00,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:41:00,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972364592] [2022-12-14 14:41:00,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972364592] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:41:00,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:41:00,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:41:00,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821312392] [2022-12-14 14:41:00,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:41:00,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:41:00,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:41:00,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:41:00,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:41:00,878 INFO L87 Difference]: Start difference. First operand 4373 states and 6653 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 14:41:02,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:41:05,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:41:07,310 WARN L539 Checker$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 14:41:11,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:41:16,590 WARN L539 Checker$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 14:41:20,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:41:22,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:41:22,036 INFO L93 Difference]: Finished difference Result 12547 states and 19076 transitions. [2022-12-14 14:41:22,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:41:22,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 306 [2022-12-14 14:41:22,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:41:22,077 INFO L225 Difference]: With dead ends: 12547 [2022-12-14 14:41:22,077 INFO L226 Difference]: Without dead ends: 8231 [2022-12-14 14:41:22,100 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 14:41:22,101 INFO L413 NwaCegarLoop]: 4547 mSDtfsCounter, 3262 mSDsluCounter, 3207 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 7754 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:41:22,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3267 Valid, 7754 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 932 Invalid, 5 Unknown, 0 Unchecked, 20.9s Time] [2022-12-14 14:41:22,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8231 states. [2022-12-14 14:41:22,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8231 to 8226. [2022-12-14 14:41:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8226 states, 5041 states have (on average 1.4011108906962904) internal successors, (7063), 5315 states have internal predecessors, (7063), 2712 states have call successors, (2712), 473 states have call predecessors, (2712), 472 states have return successors, (2725), 2653 states have call predecessors, (2725), 2711 states have call successors, (2725) [2022-12-14 14:41:22,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8226 states to 8226 states and 12500 transitions. [2022-12-14 14:41:22,416 INFO L78 Accepts]: Start accepts. Automaton has 8226 states and 12500 transitions. Word has length 306 [2022-12-14 14:41:22,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:41:22,416 INFO L495 AbstractCegarLoop]: Abstraction has 8226 states and 12500 transitions. [2022-12-14 14:41:22,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 14:41:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 8226 states and 12500 transitions. [2022-12-14 14:41:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-12-14 14:41:22,424 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:41:22,424 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:41:22,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:41:22,425 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:41:22,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:41:22,425 INFO L85 PathProgramCache]: Analyzing trace with hash 622519530, now seen corresponding path program 1 times [2022-12-14 14:41:22,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:41:22,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449915304] [2022-12-14 14:41:22,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:41:22,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:41:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:41:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1285 trivial. 0 not checked. [2022-12-14 14:41:23,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:41:23,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449915304] [2022-12-14 14:41:23,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449915304] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:41:23,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:41:23,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:41:23,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639897688] [2022-12-14 14:41:23,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:41:23,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:41:23,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:41:23,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:41:23,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:41:23,093 INFO L87 Difference]: Start difference. First operand 8226 states and 12500 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2022-12-14 14:41:24,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:41:26,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:41:28,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:41:31,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:41:34,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:41:38,068 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 14:41:39,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:41:39,694 INFO L93 Difference]: Finished difference Result 12957 states and 19867 transitions. [2022-12-14 14:41:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:41:39,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) Word has length 314 [2022-12-14 14:41:39,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:41:39,749 INFO L225 Difference]: With dead ends: 12957 [2022-12-14 14:41:39,749 INFO L226 Difference]: Without dead ends: 12954 [2022-12-14 14:41:39,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 14:41:39,755 INFO L413 NwaCegarLoop]: 4049 mSDtfsCounter, 2739 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2739 SdHoareTripleChecker+Valid, 6711 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:41:39,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2739 Valid, 6711 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 786 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2022-12-14 14:41:39,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12954 states. [2022-12-14 14:41:40,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12954 to 12606. [2022-12-14 14:41:40,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12606 states, 8036 states have (on average 1.4227227476356397) internal successors, (11433), 8383 states have internal predecessors, (11433), 3764 states have call successors, (3764), 808 states have call predecessors, (3764), 805 states have return successors, (4040), 3667 states have call predecessors, (4040), 3763 states have call successors, (4040) [2022-12-14 14:41:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12606 states to 12606 states and 19237 transitions. [2022-12-14 14:41:40,210 INFO L78 Accepts]: Start accepts. Automaton has 12606 states and 19237 transitions. Word has length 314 [2022-12-14 14:41:40,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:41:40,211 INFO L495 AbstractCegarLoop]: Abstraction has 12606 states and 19237 transitions. [2022-12-14 14:41:40,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2022-12-14 14:41:40,212 INFO L276 IsEmpty]: Start isEmpty. Operand 12606 states and 19237 transitions. [2022-12-14 14:41:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-12-14 14:41:40,226 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:41:40,226 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-12-14 14:41:40,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:41:40,226 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:41:40,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:41:40,227 INFO L85 PathProgramCache]: Analyzing trace with hash 803494516, now seen corresponding path program 1 times [2022-12-14 14:41:40,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:41:40,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081139493] [2022-12-14 14:41:40,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:41:40,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:41:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:41:40,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2022-12-14 14:41:40,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:41:40,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081139493] [2022-12-14 14:41:40,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081139493] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:41:40,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:41:40,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:41:40,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3624122] [2022-12-14 14:41:40,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:41:40,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:41:40,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:41:40,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:41:40,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:41:40,816 INFO L87 Difference]: Start difference. First operand 12606 states and 19237 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-14 14:41:42,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:41:45,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:41:47,429 WARN L539 Checker$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 14:41:49,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:41:51,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:41:53,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:41:58,515 WARN L539 Checker$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 14:41:59,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:42:04,506 WARN L539 Checker$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 14:42:05,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:42:05,665 INFO L93 Difference]: Finished difference Result 42137 states and 65323 transitions. [2022-12-14 14:42:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:42:05,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 331 [2022-12-14 14:42:05,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:42:05,834 INFO L225 Difference]: With dead ends: 42137 [2022-12-14 14:42:05,834 INFO L226 Difference]: Without dead ends: 29588 [2022-12-14 14:42:05,897 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 14:42:05,898 INFO L413 NwaCegarLoop]: 4963 mSDtfsCounter, 4926 mSDsluCounter, 7679 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 310 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4931 SdHoareTripleChecker+Valid, 12642 SdHoareTripleChecker+Invalid, 1872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:42:05,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4931 Valid, 12642 Invalid, 1872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 1557 Invalid, 5 Unknown, 0 Unchecked, 24.1s Time] [2022-12-14 14:42:05,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29588 states. [2022-12-14 14:42:06,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29588 to 24942. [2022-12-14 14:42:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24942 states, 15919 states have (on average 1.4252151517055092) internal successors, (22688), 16616 states have internal predecessors, (22688), 7431 states have call successors, (7431), 1596 states have call predecessors, (7431), 1591 states have return successors, (7993), 7232 states have call predecessors, (7993), 7430 states have call successors, (7993) [2022-12-14 14:42:06,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24942 states to 24942 states and 38112 transitions. [2022-12-14 14:42:06,883 INFO L78 Accepts]: Start accepts. Automaton has 24942 states and 38112 transitions. Word has length 331 [2022-12-14 14:42:06,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:42:06,884 INFO L495 AbstractCegarLoop]: Abstraction has 24942 states and 38112 transitions. [2022-12-14 14:42:06,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-14 14:42:06,885 INFO L276 IsEmpty]: Start isEmpty. Operand 24942 states and 38112 transitions. [2022-12-14 14:42:06,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-12-14 14:42:06,902 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:42:06,902 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 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] [2022-12-14 14:42:06,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:42:06,903 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:42:06,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:42:06,903 INFO L85 PathProgramCache]: Analyzing trace with hash 334098905, now seen corresponding path program 1 times [2022-12-14 14:42:06,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:42:06,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760388773] [2022-12-14 14:42:06,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:42:06,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:42:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:42:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1944 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1944 trivial. 0 not checked. [2022-12-14 14:42:07,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:42:07,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760388773] [2022-12-14 14:42:07,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760388773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:42:07,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:42:07,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:42:07,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530590897] [2022-12-14 14:42:07,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:42:07,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:42:07,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:42:07,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:42:07,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:42:07,456 INFO L87 Difference]: Start difference. First operand 24942 states and 38112 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 14:42:09,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:42:11,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:42:13,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:42:19,800 WARN L539 Checker$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 14:42:23,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:42:23,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:42:23,587 INFO L93 Difference]: Finished difference Result 29498 states and 45366 transitions. [2022-12-14 14:42:23,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:42:23,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 385 [2022-12-14 14:42:23,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:42:23,687 INFO L225 Difference]: With dead ends: 29498 [2022-12-14 14:42:23,688 INFO L226 Difference]: Without dead ends: 29495 [2022-12-14 14:42:23,702 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 14:42:23,703 INFO L413 NwaCegarLoop]: 3780 mSDtfsCounter, 2666 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2666 SdHoareTripleChecker+Valid, 6441 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:42:23,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2666 Valid, 6441 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 733 Invalid, 5 Unknown, 0 Unchecked, 15.6s Time] [2022-12-14 14:42:23,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29495 states. [2022-12-14 14:42:24,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29495 to 28802. [2022-12-14 14:42:24,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28802 states, 18599 states have (on average 1.4322813054465293) internal successors, (26639), 19361 states have internal predecessors, (26639), 8329 states have call successors, (8329), 1879 states have call predecessors, (8329), 1873 states have return successors, (9153), 8091 states have call predecessors, (9153), 8328 states have call successors, (9153) [2022-12-14 14:42:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28802 states to 28802 states and 44121 transitions. [2022-12-14 14:42:24,677 INFO L78 Accepts]: Start accepts. Automaton has 28802 states and 44121 transitions. Word has length 385 [2022-12-14 14:42:24,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:42:24,677 INFO L495 AbstractCegarLoop]: Abstraction has 28802 states and 44121 transitions. [2022-12-14 14:42:24,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 14:42:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 28802 states and 44121 transitions. [2022-12-14 14:42:24,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-12-14 14:42:24,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:42:24,711 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 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] [2022-12-14 14:42:24,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:42:24,711 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:42:24,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:42:24,711 INFO L85 PathProgramCache]: Analyzing trace with hash -90268099, now seen corresponding path program 1 times [2022-12-14 14:42:24,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:42:24,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696790988] [2022-12-14 14:42:24,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:42:24,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:42:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:42:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1947 trivial. 0 not checked. [2022-12-14 14:42:26,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:42:26,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696790988] [2022-12-14 14:42:26,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696790988] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:42:26,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:42:26,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:42:26,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813476978] [2022-12-14 14:42:26,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:42:26,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:42:26,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:42:26,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:42:26,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:42:26,009 INFO L87 Difference]: Start difference. First operand 28802 states and 44121 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-14 14:42:28,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:42:30,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:42:32,618 WARN L539 Checker$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 14:42:35,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:42:36,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:42:40,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:42:42,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:42:43,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:42:45,421 WARN L539 Checker$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 14:42:48,624 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 14:42:50,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:42:50,168 INFO L93 Difference]: Finished difference Result 57507 states and 88099 transitions. [2022-12-14 14:42:50,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:42:50,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 420 [2022-12-14 14:42:50,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:42:50,273 INFO L225 Difference]: With dead ends: 57507 [2022-12-14 14:42:50,273 INFO L226 Difference]: Without dead ends: 28750 [2022-12-14 14:42:50,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:42:50,359 INFO L413 NwaCegarLoop]: 3253 mSDtfsCounter, 1 mSDsluCounter, 6501 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 9754 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:42:50,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 9754 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1191 Invalid, 5 Unknown, 0 Unchecked, 23.3s Time] [2022-12-14 14:42:50,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28750 states. [2022-12-14 14:42:51,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28750 to 28750. [2022-12-14 14:42:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28750 states, 18567 states have (on average 1.4324877470781494) internal successors, (26597), 19329 states have internal predecessors, (26597), 8309 states have call successors, (8309), 1879 states have call predecessors, (8309), 1873 states have return successors, (9133), 8071 states have call predecessors, (9133), 8308 states have call successors, (9133) [2022-12-14 14:42:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28750 states to 28750 states and 44039 transitions. [2022-12-14 14:42:51,299 INFO L78 Accepts]: Start accepts. Automaton has 28750 states and 44039 transitions. Word has length 420 [2022-12-14 14:42:51,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:42:51,299 INFO L495 AbstractCegarLoop]: Abstraction has 28750 states and 44039 transitions. [2022-12-14 14:42:51,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-14 14:42:51,300 INFO L276 IsEmpty]: Start isEmpty. Operand 28750 states and 44039 transitions. [2022-12-14 14:42:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2022-12-14 14:42:51,345 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:42:51,345 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:42:51,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:42:51,346 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:42:51,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:42:51,346 INFO L85 PathProgramCache]: Analyzing trace with hash 406502402, now seen corresponding path program 1 times [2022-12-14 14:42:51,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:42:51,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60855511] [2022-12-14 14:42:51,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:42:51,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:42:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:42:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1960 trivial. 0 not checked. [2022-12-14 14:42:52,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:42:52,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60855511] [2022-12-14 14:42:52,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60855511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:42:52,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:42:52,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:42:52,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841993964] [2022-12-14 14:42:52,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:42:52,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:42:52,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:42:52,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:42:52,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:42:52,176 INFO L87 Difference]: Start difference. First operand 28750 states and 44039 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 14:42:54,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:42:56,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:42:58,559 WARN L539 Checker$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 14:43:01,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:06,509 WARN L539 Checker$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 14:43:10,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:12,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:14,128 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 14:43:14,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:14,624 INFO L93 Difference]: Finished difference Result 36801 states and 56834 transitions. [2022-12-14 14:43:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:43:14,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 436 [2022-12-14 14:43:14,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:14,831 INFO L225 Difference]: With dead ends: 36801 [2022-12-14 14:43:14,831 INFO L226 Difference]: Without dead ends: 36798 [2022-12-14 14:43:14,847 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 14:43:14,848 INFO L413 NwaCegarLoop]: 3782 mSDtfsCounter, 2659 mSDsluCounter, 2660 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2659 SdHoareTripleChecker+Valid, 6442 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:14,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2659 Valid, 6442 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 733 Invalid, 7 Unknown, 0 Unchecked, 21.7s Time] [2022-12-14 14:43:14,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36798 states. [2022-12-14 14:43:15,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36798 to 36082. [2022-12-14 14:43:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36082 states, 23717 states have (on average 1.444449129316524) internal successors, (34258), 24597 states have internal predecessors, (34258), 9979 states have call successors, (9979), 2395 states have call predecessors, (9979), 2385 states have return successors, (11325), 9667 states have call predecessors, (11325), 9978 states have call successors, (11325) [2022-12-14 14:43:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36082 states to 36082 states and 55562 transitions. [2022-12-14 14:43:15,959 INFO L78 Accepts]: Start accepts. Automaton has 36082 states and 55562 transitions. Word has length 436 [2022-12-14 14:43:15,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:15,959 INFO L495 AbstractCegarLoop]: Abstraction has 36082 states and 55562 transitions. [2022-12-14 14:43:15,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 14:43:15,960 INFO L276 IsEmpty]: Start isEmpty. Operand 36082 states and 55562 transitions. [2022-12-14 14:43:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-12-14 14:43:16,008 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:16,008 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 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] [2022-12-14 14:43:16,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:43:16,008 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:43:16,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:16,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1828181682, now seen corresponding path program 1 times [2022-12-14 14:43:16,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:16,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221759828] [2022-12-14 14:43:16,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:16,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2056 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2022-12-14 14:43:17,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:17,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221759828] [2022-12-14 14:43:17,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221759828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:17,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:17,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:43:17,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781602662] [2022-12-14 14:43:17,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:17,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:17,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:17,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:17,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:17,361 INFO L87 Difference]: Start difference. First operand 36082 states and 55562 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 14:43:19,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:21,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:43:23,766 WARN L539 Checker$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 14:43:30,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:32,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:34,754 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 14:43:35,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:35,723 INFO L93 Difference]: Finished difference Result 72567 states and 111782 transitions. [2022-12-14 14:43:35,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:43:35,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 459 [2022-12-14 14:43:35,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:35,891 INFO L225 Difference]: With dead ends: 72567 [2022-12-14 14:43:35,891 INFO L226 Difference]: Without dead ends: 36542 [2022-12-14 14:43:36,046 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 14:43:36,046 INFO L413 NwaCegarLoop]: 3262 mSDtfsCounter, 29 mSDsluCounter, 3241 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 6503 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:36,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 6503 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 802 Invalid, 5 Unknown, 0 Unchecked, 17.1s Time] [2022-12-14 14:43:36,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36542 states. [2022-12-14 14:43:37,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36542 to 36110. [2022-12-14 14:43:37,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36110 states, 23745 states have (on average 1.443925036849863) internal successors, (34286), 24625 states have internal predecessors, (34286), 9979 states have call successors, (9979), 2395 states have call predecessors, (9979), 2385 states have return successors, (11325), 9667 states have call predecessors, (11325), 9978 states have call successors, (11325) [2022-12-14 14:43:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36110 states to 36110 states and 55590 transitions. [2022-12-14 14:43:37,176 INFO L78 Accepts]: Start accepts. Automaton has 36110 states and 55590 transitions. Word has length 459 [2022-12-14 14:43:37,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:37,177 INFO L495 AbstractCegarLoop]: Abstraction has 36110 states and 55590 transitions. [2022-12-14 14:43:37,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 14:43:37,177 INFO L276 IsEmpty]: Start isEmpty. Operand 36110 states and 55590 transitions. [2022-12-14 14:43:37,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2022-12-14 14:43:37,261 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:37,262 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 5, 5, 5, 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] [2022-12-14 14:43:37,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 14:43:37,262 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:43:37,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:37,263 INFO L85 PathProgramCache]: Analyzing trace with hash -658529113, now seen corresponding path program 1 times [2022-12-14 14:43:37,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:37,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169461562] [2022-12-14 14:43:37,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:37,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2077 trivial. 0 not checked. [2022-12-14 14:43:38,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:38,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169461562] [2022-12-14 14:43:38,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169461562] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:43:38,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065754530] [2022-12-14 14:43:38,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:38,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:43:38,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:43:38,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:43:38,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:43:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:41,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 10362 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:43:41,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:43:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2090 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2090 trivial. 0 not checked. [2022-12-14 14:43:42,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:43:42,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065754530] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:42,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:43:42,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 14:43:42,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269204272] [2022-12-14 14:43:42,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:42,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:42,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:42,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:42,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:43:42,637 INFO L87 Difference]: Start difference. First operand 36110 states and 55590 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2022-12-14 14:43:43,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:46,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:43:48,189 WARN L539 Checker$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 14:43:55,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:58,670 WARN L539 Checker$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 14:44:00,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:03,603 WARN L539 Checker$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 14:44:04,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:44:04,136 INFO L93 Difference]: Finished difference Result 44187 states and 68418 transitions. [2022-12-14 14:44:04,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:44:04,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 503 [2022-12-14 14:44:04,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:44:04,272 INFO L225 Difference]: With dead ends: 44187 [2022-12-14 14:44:04,273 INFO L226 Difference]: Without dead ends: 44184 [2022-12-14 14:44:04,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 503 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:44:04,292 INFO L413 NwaCegarLoop]: 3780 mSDtfsCounter, 2520 mSDsluCounter, 2660 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2520 SdHoareTripleChecker+Valid, 6440 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:44:04,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2520 Valid, 6440 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 734 Invalid, 6 Unknown, 0 Unchecked, 20.6s Time] [2022-12-14 14:44:04,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44184 states. [2022-12-14 14:44:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44184 to 43392. [2022-12-14 14:44:05,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43392 states, 28872 states have (on average 1.4518564699362704) internal successors, (41918), 29868 states have internal predecessors, (41918), 11632 states have call successors, (11632), 2901 states have call predecessors, (11632), 2887 states have return successors, (13500), 11246 states have call predecessors, (13500), 11631 states have call successors, (13500) [2022-12-14 14:44:05,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43392 states to 43392 states and 67050 transitions. [2022-12-14 14:44:05,614 INFO L78 Accepts]: Start accepts. Automaton has 43392 states and 67050 transitions. Word has length 503 [2022-12-14 14:44:05,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:44:05,614 INFO L495 AbstractCegarLoop]: Abstraction has 43392 states and 67050 transitions. [2022-12-14 14:44:05,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2022-12-14 14:44:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 43392 states and 67050 transitions. [2022-12-14 14:44:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-12-14 14:44:05,772 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:05,772 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 5, 5, 5, 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] [2022-12-14 14:44:05,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:44:05,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-14 14:44:05,974 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:44:05,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:05,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1385607725, now seen corresponding path program 1 times [2022-12-14 14:44:05,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:05,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387515236] [2022-12-14 14:44:05,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:05,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:07,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2087 trivial. 0 not checked. [2022-12-14 14:44:07,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:07,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387515236] [2022-12-14 14:44:07,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387515236] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:44:07,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950995543] [2022-12-14 14:44:07,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:07,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:44:07,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:44:07,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:44:07,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:44:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:10,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 11657 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:44:10,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:44:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2100 trivial. 0 not checked. [2022-12-14 14:44:11,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:44:11,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950995543] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:11,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:44:11,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-14 14:44:11,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206158279] [2022-12-14 14:44:11,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:11,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:44:11,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:11,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:44:11,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:44:11,720 INFO L87 Difference]: Start difference. First operand 43392 states and 67050 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-12-14 14:44:12,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:15,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:44:17,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:19,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:21,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:23,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:26,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:28,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:31,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:34,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:37,234 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 14:44:38,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:44:38,117 INFO L93 Difference]: Finished difference Result 77254 states and 120350 transitions. [2022-12-14 14:44:38,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:44:38,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 535 [2022-12-14 14:44:38,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:44:38,412 INFO L225 Difference]: With dead ends: 77254 [2022-12-14 14:44:38,412 INFO L226 Difference]: Without dead ends: 77251 [2022-12-14 14:44:38,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:44:38,440 INFO L413 NwaCegarLoop]: 3783 mSDtfsCounter, 2491 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2491 SdHoareTripleChecker+Valid, 6458 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:44:38,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2491 Valid, 6458 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 734 Invalid, 7 Unknown, 0 Unchecked, 24.9s Time] [2022-12-14 14:44:38,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77251 states. [2022-12-14 14:44:40,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77251 to 69093. [2022-12-14 14:44:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69093 states, 46939 states have (on average 1.4653060354928737) internal successors, (68780), 48346 states have internal predecessors, (68780), 17476 states have call successors, (17476), 4704 states have call predecessors, (17476), 4677 states have return successors, (21172), 16835 states have call predecessors, (21172), 17475 states have call successors, (21172) [2022-12-14 14:44:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69093 states to 69093 states and 107428 transitions. [2022-12-14 14:44:40,590 INFO L78 Accepts]: Start accepts. Automaton has 69093 states and 107428 transitions. Word has length 535 [2022-12-14 14:44:40,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:44:40,590 INFO L495 AbstractCegarLoop]: Abstraction has 69093 states and 107428 transitions. [2022-12-14 14:44:40,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-12-14 14:44:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 69093 states and 107428 transitions. [2022-12-14 14:44:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2022-12-14 14:44:40,798 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:40,799 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:40,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:44:40,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 14:44:41,000 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:44:41,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:41,002 INFO L85 PathProgramCache]: Analyzing trace with hash 59338278, now seen corresponding path program 1 times [2022-12-14 14:44:41,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:41,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837307201] [2022-12-14 14:44:41,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:41,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2115 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2022-12-14 14:44:43,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:43,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837307201] [2022-12-14 14:44:43,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837307201] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:43,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:44:43,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:44:43,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134758312] [2022-12-14 14:44:43,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:43,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:44:43,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:43,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:44:43,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:44:43,381 INFO L87 Difference]: Start difference. First operand 69093 states and 107428 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2022-12-14 14:44:45,980 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 14:44:49,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:44:52,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:55,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:59,410 WARN L539 Checker$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 14:45:01,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:01,821 INFO L93 Difference]: Finished difference Result 166198 states and 256125 transitions. [2022-12-14 14:45:01,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:45:01,821 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), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 573 [2022-12-14 14:45:01,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:02,181 INFO L225 Difference]: With dead ends: 166198 [2022-12-14 14:45:02,182 INFO L226 Difference]: Without dead ends: 97162 [2022-12-14 14:45:02,441 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 14:45:02,442 INFO L413 NwaCegarLoop]: 4240 mSDtfsCounter, 2167 mSDsluCounter, 2896 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 7136 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:02,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 7136 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1159 Invalid, 4 Unknown, 0 Unchecked, 15.9s Time] [2022-12-14 14:45:02,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97162 states. [2022-12-14 14:45:05,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97162 to 96893. [2022-12-14 14:45:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96893 states, 66101 states have (on average 1.4608553577101708) internal successors, (96564), 68146 states have internal predecessors, (96564), 23894 states have call successors, (23894), 6952 states have call predecessors, (23894), 6897 states have return successors, (27954), 22911 states have call predecessors, (27954), 23893 states have call successors, (27954) [2022-12-14 14:45:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96893 states to 96893 states and 148412 transitions. [2022-12-14 14:45:06,392 INFO L78 Accepts]: Start accepts. Automaton has 96893 states and 148412 transitions. Word has length 573 [2022-12-14 14:45:06,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:06,393 INFO L495 AbstractCegarLoop]: Abstraction has 96893 states and 148412 transitions. [2022-12-14 14:45:06,393 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), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2022-12-14 14:45:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 96893 states and 148412 transitions. [2022-12-14 14:45:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2022-12-14 14:45:06,687 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:06,688 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:06,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 14:45:06,688 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:45:06,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:06,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1716723558, now seen corresponding path program 2 times [2022-12-14 14:45:06,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:06,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10838165] [2022-12-14 14:45:06,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2115 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked. [2022-12-14 14:45:09,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:09,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10838165] [2022-12-14 14:45:09,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10838165] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:09,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:09,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:45:09,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232312243] [2022-12-14 14:45:09,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:09,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:45:09,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:09,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:45:09,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:45:09,201 INFO L87 Difference]: Start difference. First operand 96893 states and 148412 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-14 14:45:10,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:13,614 WARN L539 Checker$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 14:45:18,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:45:22,064 WARN L539 Checker$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 14:45:24,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:26,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:28,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:33,119 WARN L539 Checker$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 14:45:35,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:38,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:38,749 INFO L93 Difference]: Finished difference Result 245362 states and 375277 transitions. [2022-12-14 14:45:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:45:38,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 573 [2022-12-14 14:45:38,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:39,230 INFO L225 Difference]: With dead ends: 245362 [2022-12-14 14:45:39,231 INFO L226 Difference]: Without dead ends: 148526 [2022-12-14 14:45:39,533 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 14:45:39,533 INFO L413 NwaCegarLoop]: 4936 mSDtfsCounter, 2957 mSDsluCounter, 2929 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 128 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2960 SdHoareTripleChecker+Valid, 7865 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:39,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2960 Valid, 7865 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1338 Invalid, 6 Unknown, 0 Unchecked, 24.9s Time] [2022-12-14 14:45:39,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148526 states. [2022-12-14 14:45:43,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148526 to 147861. [2022-12-14 14:45:43,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147861 states, 102479 states have (on average 1.4339328057455674) internal successors, (146948), 105646 states have internal predecessors, (146948), 34496 states have call successors, (34496), 10968 states have call predecessors, (34496), 10885 states have return successors, (39252), 32905 states have call predecessors, (39252), 34495 states have call successors, (39252) [2022-12-14 14:45:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147861 states to 147861 states and 220696 transitions. [2022-12-14 14:45:44,305 INFO L78 Accepts]: Start accepts. Automaton has 147861 states and 220696 transitions. Word has length 573 [2022-12-14 14:45:44,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:44,306 INFO L495 AbstractCegarLoop]: Abstraction has 147861 states and 220696 transitions. [2022-12-14 14:45:44,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-12-14 14:45:44,306 INFO L276 IsEmpty]: Start isEmpty. Operand 147861 states and 220696 transitions. [2022-12-14 14:45:44,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2022-12-14 14:45:44,696 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:44,697 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:44,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 14:45:44,697 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:45:44,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:44,698 INFO L85 PathProgramCache]: Analyzing trace with hash -661457732, now seen corresponding path program 1 times [2022-12-14 14:45:44,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:44,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623698073] [2022-12-14 14:45:44,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:44,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2115 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2102 trivial. 0 not checked. [2022-12-14 14:45:48,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:48,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623698073] [2022-12-14 14:45:48,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623698073] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:45:48,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907526394] [2022-12-14 14:45:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:48,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:48,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:45:48,507 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:45:48,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:45:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:53,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 17255 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:45:53,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:45:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2115 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 1991 trivial. 0 not checked. [2022-12-14 14:45:54,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:45:54,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907526394] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:54,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:45:54,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 14:45:54,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489629166] [2022-12-14 14:45:54,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:54,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:45:54,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:54,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:45:54,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:54,114 INFO L87 Difference]: Start difference. First operand 147861 states and 220696 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 3 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-12-14 14:45:56,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:58,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:04,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:46:06,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:08,943 WARN L539 Checker$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 14:46:10,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:12,860 WARN L539 Checker$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 14:46:17,500 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 14:46:20,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:46:20,370 INFO L93 Difference]: Finished difference Result 207048 states and 309382 transitions. [2022-12-14 14:46:20,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:46:20,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 3 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 573 [2022-12-14 14:46:20,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:46:21,075 INFO L225 Difference]: With dead ends: 207048 [2022-12-14 14:46:21,076 INFO L226 Difference]: Without dead ends: 207045 [2022-12-14 14:46:21,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:46:21,160 INFO L413 NwaCegarLoop]: 4970 mSDtfsCounter, 2545 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2545 SdHoareTripleChecker+Valid, 7709 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:46:21,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2545 Valid, 7709 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 903 Invalid, 6 Unknown, 0 Unchecked, 22.5s Time] [2022-12-14 14:46:21,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207045 states. [2022-12-14 14:46:26,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207045 to 201955. [2022-12-14 14:46:26,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201955 states, 142065 states have (on average 1.4421004469784957) internal successors, (204872), 146106 states have internal predecessors, (204872), 45044 states have call successors, (45044), 14973 states have call predecessors, (45044), 14845 states have return successors, (52346), 42842 states have call predecessors, (52346), 45043 states have call successors, (52346) [2022-12-14 14:46:27,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201955 states to 201955 states and 302262 transitions. [2022-12-14 14:46:27,847 INFO L78 Accepts]: Start accepts. Automaton has 201955 states and 302262 transitions. Word has length 573 [2022-12-14 14:46:27,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:46:27,848 INFO L495 AbstractCegarLoop]: Abstraction has 201955 states and 302262 transitions. [2022-12-14 14:46:27,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 3 states have call successors, (66), 3 states have call predecessors, (66), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-12-14 14:46:27,848 INFO L276 IsEmpty]: Start isEmpty. Operand 201955 states and 302262 transitions. [2022-12-14 14:46:28,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2022-12-14 14:46:28,800 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:46:28,800 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 17, 17, 15, 15, 15, 15, 7, 7, 7, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:46:28,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 14:46:29,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:46:29,002 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:46:29,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:46:29,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1976601673, now seen corresponding path program 2 times [2022-12-14 14:46:29,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:46:29,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759813374] [2022-12-14 14:46:29,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:46:29,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:46:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:46:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3116 backedges. 73 proven. 10 refuted. 0 times theorem prover too weak. 3033 trivial. 0 not checked. [2022-12-14 14:46:33,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:46:33,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759813374] [2022-12-14 14:46:33,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759813374] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:46:33,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111211870] [2022-12-14 14:46:33,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:46:33,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:46:33,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:46:33,088 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:46:33,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:46:36,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 14:46:36,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:46:36,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 3637 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:46:36,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:46:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 3022 trivial. 0 not checked. [2022-12-14 14:46:36,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:46:36,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111211870] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:46:36,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:46:36,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-12-14 14:46:36,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259567354] [2022-12-14 14:46:36,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:46:36,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:46:36,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:46:36,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:46:36,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 14:46:36,518 INFO L87 Difference]: Start difference. First operand 201955 states and 302262 transitions. Second operand has 4 states, 4 states have (on average 45.25) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-12-14 14:46:38,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:40,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:46,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:46:48,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:50,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:47:00,977 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 14:47:06,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:47:06,542 INFO L93 Difference]: Finished difference Result 563226 states and 877931 transitions. [2022-12-14 14:47:06,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:47:06,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.25) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 673 [2022-12-14 14:47:06,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:47:08,136 INFO L225 Difference]: With dead ends: 563226 [2022-12-14 14:47:08,136 INFO L226 Difference]: Without dead ends: 362769 [2022-12-14 14:47:08,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 673 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:47:08,817 INFO L413 NwaCegarLoop]: 4564 mSDtfsCounter, 2180 mSDsluCounter, 7821 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 398 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 12385 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:47:08,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2394 Valid, 12385 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 1329 Invalid, 5 Unknown, 0 Unchecked, 20.5s Time] [2022-12-14 14:47:09,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362769 states. [2022-12-14 14:47:18,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362769 to 202207. [2022-12-14 14:47:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202207 states, 142317 states have (on average 1.4413176219285118) internal successors, (205124), 146358 states have internal predecessors, (205124), 45044 states have call successors, (45044), 14973 states have call predecessors, (45044), 14845 states have return successors, (52346), 42842 states have call predecessors, (52346), 45043 states have call successors, (52346) [2022-12-14 14:47:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202207 states to 202207 states and 302514 transitions. [2022-12-14 14:47:19,870 INFO L78 Accepts]: Start accepts. Automaton has 202207 states and 302514 transitions. Word has length 673 [2022-12-14 14:47:19,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:47:19,870 INFO L495 AbstractCegarLoop]: Abstraction has 202207 states and 302514 transitions. [2022-12-14 14:47:19,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.25) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-12-14 14:47:19,871 INFO L276 IsEmpty]: Start isEmpty. Operand 202207 states and 302514 transitions. [2022-12-14 14:47:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2022-12-14 14:47:20,853 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:47:20,854 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 17, 17, 15, 15, 15, 15, 14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 14:47:20,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 14:47:21,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 14:47:21,056 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:47:21,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:47:21,057 INFO L85 PathProgramCache]: Analyzing trace with hash 641486530, now seen corresponding path program 1 times [2022-12-14 14:47:21,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:47:21,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582747709] [2022-12-14 14:47:21,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:47:21,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:47:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:47:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 73 proven. 10 refuted. 0 times theorem prover too weak. 3361 trivial. 0 not checked. [2022-12-14 14:47:25,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:47:25,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582747709] [2022-12-14 14:47:25,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582747709] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:47:25,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465254109] [2022-12-14 14:47:25,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:47:25,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:47:25,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:47:25,517 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:47:25,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:47:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:47:31,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 19047 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:47:31,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:47:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1537 proven. 0 refuted. 0 times theorem prover too weak. 1907 trivial. 0 not checked. [2022-12-14 14:47:31,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:47:31,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465254109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:47:31,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:47:31,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-12-14 14:47:31,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108523385] [2022-12-14 14:47:31,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:47:31,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:47:31,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:47:31,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:47:31,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:47:31,456 INFO L87 Difference]: Start difference. First operand 202207 states and 302514 transitions. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 3 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2022-12-14 14:47:33,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:47:35,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:47:41,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:47:50,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:47:53,019 WARN L539 Checker$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 14:47:54,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:47:57,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:48:02,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:48:02,362 INFO L93 Difference]: Finished difference Result 455242 states and 682205 transitions. [2022-12-14 14:48:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:48:02,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 3 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) Word has length 734 [2022-12-14 14:48:02,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:48:03,072 INFO L225 Difference]: With dead ends: 455242 [2022-12-14 14:48:03,072 INFO L226 Difference]: Without dead ends: 172238 [2022-12-14 14:48:03,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 734 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:48:03,859 INFO L413 NwaCegarLoop]: 4853 mSDtfsCounter, 3432 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3435 SdHoareTripleChecker+Valid, 8089 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:48:03,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3435 Valid, 8089 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 966 Invalid, 6 Unknown, 0 Unchecked, 22.9s Time] [2022-12-14 14:48:03,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172238 states. [2022-12-14 14:48:09,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172238 to 148107. [2022-12-14 14:48:09,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148107 states, 103419 states have (on average 1.4340014890880786) internal successors, (148303), 106257 states have internal predecessors, (148303), 33922 states have call successors, (33922), 10847 states have call predecessors, (33922), 10765 states have return successors, (38472), 32368 states have call predecessors, (38472), 33921 states have call successors, (38472) [2022-12-14 14:48:09,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148107 states to 148107 states and 220697 transitions. [2022-12-14 14:48:09,925 INFO L78 Accepts]: Start accepts. Automaton has 148107 states and 220697 transitions. Word has length 734 [2022-12-14 14:48:09,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:48:09,925 INFO L495 AbstractCegarLoop]: Abstraction has 148107 states and 220697 transitions. [2022-12-14 14:48:09,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 3 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2022-12-14 14:48:09,926 INFO L276 IsEmpty]: Start isEmpty. Operand 148107 states and 220697 transitions. [2022-12-14 14:48:10,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2022-12-14 14:48:10,410 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:48:10,411 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 17, 17, 15, 15, 15, 15, 14, 14, 14, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 14:48:10,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 14:48:10,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 14:48:10,613 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:48:10,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:48:10,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1026760588, now seen corresponding path program 1 times [2022-12-14 14:48:10,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:48:10,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67008278] [2022-12-14 14:48:10,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:10,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:48:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 77 proven. 1 refuted. 0 times theorem prover too weak. 3393 trivial. 0 not checked. [2022-12-14 14:48:14,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:48:14,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67008278] [2022-12-14 14:48:14,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67008278] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:48:14,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753292413] [2022-12-14 14:48:14,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:48:14,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:48:14,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:48:14,746 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:48:14,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 14:48:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:48:21,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 19272 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:48:21,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:48:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 1598 proven. 0 refuted. 0 times theorem prover too weak. 1873 trivial. 0 not checked. [2022-12-14 14:48:22,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:48:22,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753292413] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:48:22,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:48:22,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-14 14:48:22,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318500297] [2022-12-14 14:48:22,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:48:22,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:48:22,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:48:22,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:48:22,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:48:22,166 INFO L87 Difference]: Start difference. First operand 148107 states and 220697 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 3 states have call successors, (85), 3 states have call predecessors, (85), 3 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) [2022-12-14 14:48:24,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:48:26,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:48:28,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:48:33,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 14:48:35,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:48:38,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:48:42,920 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 14:48:45,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:48:45,809 INFO L93 Difference]: Finished difference Result 256225 states and 381636 transitions. [2022-12-14 14:48:45,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:48:45,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 3 states have call successors, (85), 3 states have call predecessors, (85), 3 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) Word has length 740 [2022-12-14 14:48:45,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:48:45,815 INFO L225 Difference]: With dead ends: 256225 [2022-12-14 14:48:45,815 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 14:48:46,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 740 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:48:46,533 INFO L413 NwaCegarLoop]: 4231 mSDtfsCounter, 3292 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3295 SdHoareTripleChecker+Valid, 5347 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:48:46,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3295 Valid, 5347 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 730 Invalid, 5 Unknown, 0 Unchecked, 19.9s Time] [2022-12-14 14:48:46,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 14:48:46,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 14:48:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 14:48:46,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 14:48:46,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 740 [2022-12-14 14:48:46,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:48:46,557 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 14:48:46,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 3 states have call successors, (85), 3 states have call predecessors, (85), 3 states have return successors, (82), 3 states have call predecessors, (82), 3 states have call successors, (82) [2022-12-14 14:48:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 14:48:46,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 14:48:46,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 14:48:46,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 14:48:46,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_885921cb-c87d-44de-b688-60c19a81b200/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 14:48:46,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.