./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.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_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bf654a6a1eca45ac77a809162568fb8018795c05fa9eb6946186269d2e2c9c25 --- 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 [2022-12-13 13:59:43,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:59:43,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:59:43,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:59:43,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:59:43,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:59:43,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:59:43,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:59:43,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:59:43,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:59:43,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:59:43,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:59:43,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:59:43,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:59:43,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:59:43,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:59:43,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:59:43,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:59:43,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:59:43,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:59:43,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:59:43,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:59:43,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:59:43,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:59:43,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:59:43,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:59:43,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:59:43,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:59:43,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:59:43,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:59:43,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:59:43,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:59:43,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:59:43,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:59:43,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:59:43,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:59:43,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:59:43,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:59:43,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:59:43,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:59:43,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:59:43,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 13:59:43,891 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:59:43,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:59:43,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:59:43,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:59:43,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:59:43,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:59:43,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:59:43,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:59:43,893 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:59:43,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:59:43,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:59:43,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:59:43,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:59:43,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:59:43,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:59:43,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:59:43,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:59:43,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:59:43,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:59:43,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:59:43,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:59:43,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:59:43,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:59:43,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:59:43,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:59:43,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:59:43,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:59:43,897 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:59:43,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:59:43,897 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:59:43,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:59:43,898 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:59:43,898 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf654a6a1eca45ac77a809162568fb8018795c05fa9eb6946186269d2e2c9c25 [2022-12-13 13:59:44,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:59:44,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:59:44,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:59:44,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:59:44,110 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:59:44,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-12-13 13:59:46,762 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:59:47,108 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:59:47,109 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-12-13 13:59:47,150 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/data/ea67cdfe9/dadf2ed1dbcf4165ba9d50099983dfe4/FLAGac86dc980 [2022-12-13 13:59:47,163 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/data/ea67cdfe9/dadf2ed1dbcf4165ba9d50099983dfe4 [2022-12-13 13:59:47,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:59:47,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:59:47,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:59:47,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:59:47,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:59:47,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:59:47" (1/1) ... [2022-12-13 13:59:47,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a21367c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:47, skipping insertion in model container [2022-12-13 13:59:47,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:59:47" (1/1) ... [2022-12-13 13:59:47,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:59:47,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:59:47,738 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 13:59:47,788 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-13 13:59:48,109 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 13:59:48,114 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 13:59:48,215 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 13:59:48,217 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 13:59:48,217 WARN L623 FunctionHandler]: Unknown extern function idr_find_slowpath [2022-12-13 13:59:48,225 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:48,291 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:59:48,296 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:59:48,325 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 13:59:48,647 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,649 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-12-13 13:59:48,649 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-13 13:59:48,654 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-13 13:59:48,660 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-13 13:59:48,660 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-13 13:59:48,661 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 13:59:48,661 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:48,665 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-13 13:59:48,666 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-13 13:59:48,666 WARN L623 FunctionHandler]: Unknown extern function tty_port_install [2022-12-13 13:59:48,667 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 13:59:48,668 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:48,677 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,678 WARN L623 FunctionHandler]: Unknown extern function tty_port_open [2022-12-13 13:59:48,687 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,687 WARN L623 FunctionHandler]: Unknown extern function tty_port_hangup [2022-12-13 13:59:48,692 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,692 WARN L623 FunctionHandler]: Unknown extern function tty_port_close [2022-12-13 13:59:48,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,699 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 13:59:48,699 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:48,704 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,709 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,715 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,727 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,733 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,744 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,745 WARN L623 FunctionHandler]: Unknown extern function tty_termios_copy_hw [2022-12-13 13:59:48,750 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,754 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 13:59:48,755 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:48,756 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:48,756 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:48,757 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:48,757 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:48,758 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:48,758 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:48,758 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-13 13:59:48,763 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 13:59:48,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,774 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,786 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_wakeup [2022-12-13 13:59:48,789 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-13 13:59:48,790 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-13 13:59:48,790 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-13 13:59:48,790 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-13 13:59:48,794 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-13 13:59:48,794 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-13 13:59:48,795 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-13 13:59:48,795 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-13 13:59:48,799 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,800 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:59:48,800 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:59:48,800 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:59:48,801 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:48,801 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:59:48,801 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:48,802 WARN L623 FunctionHandler]: Unknown extern function __kfifo_free [2022-12-13 13:59:48,802 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:48,802 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:48,802 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-12-13 13:59:48,803 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:48,806 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 13:59:48,807 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-13 13:59:48,807 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 13:59:48,811 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-13 13:59:48,815 WARN L623 FunctionHandler]: Unknown extern function usb_match_id [2022-12-13 13:59:48,816 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,817 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,833 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:59:48,840 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,841 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-13 13:59:48,841 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:48,842 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:48,843 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,843 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:48,845 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,846 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,848 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,851 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,852 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:48,852 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:48,853 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:48,853 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:48,853 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:48,854 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:48,854 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:59:48,855 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:48,856 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,857 WARN L623 FunctionHandler]: Unknown extern function tty_port_init [2022-12-13 13:59:48,857 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:59:48,857 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 13:59:48,857 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 13:59:48,858 WARN L623 FunctionHandler]: Unknown extern function device_initialize [2022-12-13 13:59:48,860 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:59:48,861 WARN L623 FunctionHandler]: Unknown extern function __kfifo_alloc [2022-12-13 13:59:48,862 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:59:48,864 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:59:48,866 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,866 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:59:48,868 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,869 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:48,869 WARN L623 FunctionHandler]: Unknown extern function dev_set_name [2022-12-13 13:59:48,870 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:48,871 WARN L623 FunctionHandler]: Unknown extern function device_add [2022-12-13 13:59:48,871 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:48,872 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:48,872 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:48,881 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_get [2022-12-13 13:59:48,881 WARN L623 FunctionHandler]: Unknown extern function tty_vhangup [2022-12-13 13:59:48,881 WARN L623 FunctionHandler]: Unknown extern function tty_kref_put [2022-12-13 13:59:48,881 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 13:59:48,882 WARN L623 FunctionHandler]: Unknown extern function device_del [2022-12-13 13:59:48,883 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:48,900 WARN L623 FunctionHandler]: Unknown extern function bus_register [2022-12-13 13:59:48,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:48,903 WARN L623 FunctionHandler]: Unknown extern function tty_set_operations [2022-12-13 13:59:48,903 WARN L623 FunctionHandler]: Unknown extern function tty_register_driver [2022-12-13 13:59:48,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:48,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:48,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:48,905 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-12-13 13:59:48,905 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-12-13 13:59:48,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:48,906 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-13 13:59:48,910 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-12-13 13:59:48,910 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-13 13:59:48,910 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-12-13 13:59:48,917 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:48,918 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:48,920 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:48,921 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:48,922 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:48,923 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:48,924 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:48,925 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:48,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:48,927 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:48,931 WARN L623 FunctionHandler]: Unknown extern function usb_disabled [2022-12-13 13:59:48,932 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 13:59:48,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:48,933 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:59:48,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:48,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:48,938 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:59:48,940 WARN L623 FunctionHandler]: Unknown extern function driver_attach [2022-12-13 13:59:48,941 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:48,956 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:48,972 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:59:48,978 WARN L623 FunctionHandler]: Unknown extern function ldv_destruct_7 [2022-12-13 13:59:48,978 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 13:59:48,978 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 13:59:48,979 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 13:59:48,981 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_5 [2022-12-13 13:59:48,983 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:48,983 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:48,983 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:48,984 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 13:59:48,984 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:48,984 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,984 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,985 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,985 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,985 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,985 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:59:48,986 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,986 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,986 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,986 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,986 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,987 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,987 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,987 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,987 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,987 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,988 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,988 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,988 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,988 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,988 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,989 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,989 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,989 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,989 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,989 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,990 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,990 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,990 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,990 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,990 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,990 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 13:59:48,991 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 13:59:48,991 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:59:48,991 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:59:48,992 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,992 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,992 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:48,992 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:48,992 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 13:59:48,993 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:59:48,993 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:59:49,028 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 13:59:49,066 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 13:59:49,069 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 13:59:49,072 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:59:49,125 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 13:59:49,141 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_flags [2022-12-13 13:59:49,144 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_fixed_flag [2022-12-13 13:59:49,199 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,201 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,203 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:59:49,203 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,204 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:59:49,205 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,205 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out_r [2022-12-13 13:59:49,206 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-12-13 13:59:49,207 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,208 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-13 13:59:49,209 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,209 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:59:49,210 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:49,210 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,212 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,213 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in_r [2022-12-13 13:59:49,213 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-12-13 13:59:49,214 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,215 WARN L623 FunctionHandler]: Unknown extern function __kfifo_max_r [2022-12-13 13:59:49,216 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,217 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,218 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,221 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-13 13:59:49,221 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-13 13:59:49,221 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,221 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 13:59:49,227 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,228 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:59:49,228 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:49,229 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:59:49,230 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-13 13:59:49,232 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,233 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,233 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:49,234 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,235 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,236 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,237 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,238 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:49,238 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:49,239 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,244 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,246 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,246 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 13:59:49,247 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 13:59:49,247 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 13:59:49,248 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 13:59:49,259 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:49,262 WARN L623 FunctionHandler]: Unknown extern function handle_sysrq [2022-12-13 13:59:49,264 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,265 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_ref [2022-12-13 13:59:49,266 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_deref [2022-12-13 13:59:49,266 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 13:59:49,267 WARN L623 FunctionHandler]: Unknown extern function tty_hangup [2022-12-13 13:59:49,281 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_4 [2022-12-13 13:59:49,281 WARN L623 FunctionHandler]: Unknown extern function ldv_release_4 [2022-12-13 13:59:49,282 WARN L623 FunctionHandler]: Unknown extern function ldv_release_4 [2022-12-13 13:59:49,282 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_4 [2022-12-13 13:59:49,283 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:49,283 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:49,284 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:49,284 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 13:59:49,284 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:49,285 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:49,285 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:49,285 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:49,285 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:49,286 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:49,286 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:59:49,286 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:49,357 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-13 13:59:49,358 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 13:59:49,359 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:49,359 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 13:59:49,364 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-13 13:59:49,365 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:49,365 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 13:59:49,370 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-12-13 13:59:49,371 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-12-13 13:59:49,375 WARN L623 FunctionHandler]: Unknown extern function usb_show_dynids [2022-12-13 13:59:49,381 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:59:49,381 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:49,383 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:59:49,383 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-12-13 13:59:49,383 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-13 13:59:49,386 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:49,387 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:49,387 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:49,387 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 13:59:49,388 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:49,388 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:49,388 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:49,389 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:49,389 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:49,389 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:49,389 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:59:49,390 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:49,390 WARN L623 FunctionHandler]: Unknown extern function tty_register_device [2022-12-13 13:59:49,391 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_device [2022-12-13 13:59:49,395 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_c13fc453-dade-4e64-8081-c7b9fca9695b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2022-12-13 13:59:49,596 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:49,603 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:49,610 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:49,610 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:49,611 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:49,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:49,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:49,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:49,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:49,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:59:49,669 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:59:49,746 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 13:59:49,747 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-13 13:59:49,751 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 13:59:49,751 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 13:59:49,753 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 13:59:49,754 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 13:59:49,754 WARN L623 FunctionHandler]: Unknown extern function idr_find_slowpath [2022-12-13 13:59:49,755 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:49,757 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:59:49,758 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 13:59:49,759 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 13:59:49,790 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,790 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-12-13 13:59:49,791 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-13 13:59:49,791 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-12-13 13:59:49,797 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-13 13:59:49,797 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-13 13:59:49,798 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 13:59:49,798 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:49,800 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-13 13:59:49,801 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-13 13:59:49,801 WARN L623 FunctionHandler]: Unknown extern function tty_port_install [2022-12-13 13:59:49,804 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 13:59:49,804 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:49,811 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,813 WARN L623 FunctionHandler]: Unknown extern function tty_port_open [2022-12-13 13:59:49,817 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,819 WARN L623 FunctionHandler]: Unknown extern function tty_port_hangup [2022-12-13 13:59:49,820 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,822 WARN L623 FunctionHandler]: Unknown extern function tty_port_close [2022-12-13 13:59:49,824 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,829 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 13:59:49,829 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:49,831 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,836 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,842 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,846 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,852 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,856 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,861 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,865 WARN L623 FunctionHandler]: Unknown extern function tty_termios_copy_hw [2022-12-13 13:59:49,866 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,869 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-13 13:59:49,870 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:49,871 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:49,871 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:49,872 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:49,872 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:49,872 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:49,872 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-13 13:59:49,873 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-12-13 13:59:49,873 WARN L623 FunctionHandler]: Unknown extern function single_open [2022-12-13 13:59:49,874 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,878 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,881 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,886 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_wakeup [2022-12-13 13:59:49,886 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-13 13:59:49,887 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-13 13:59:49,887 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-13 13:59:49,887 WARN L623 FunctionHandler]: Unknown extern function usb_poison_urb [2022-12-13 13:59:49,888 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-13 13:59:49,896 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-13 13:59:49,896 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-13 13:59:49,896 WARN L623 FunctionHandler]: Unknown extern function usb_unpoison_urb [2022-12-13 13:59:49,898 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,898 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:59:49,898 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:59:49,898 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:59:49,899 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:49,899 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:59:49,899 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:49,900 WARN L623 FunctionHandler]: Unknown extern function __kfifo_free [2022-12-13 13:59:49,900 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:49,900 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:49,900 WARN L623 FunctionHandler]: Unknown extern function tty_port_destroy [2022-12-13 13:59:49,900 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:49,901 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 13:59:49,904 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-13 13:59:49,904 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 13:59:49,905 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-13 13:59:49,906 WARN L623 FunctionHandler]: Unknown extern function usb_match_id [2022-12-13 13:59:49,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,908 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,916 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 13:59:49,920 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,920 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-13 13:59:49,921 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:49,921 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:49,922 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,922 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:49,923 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,924 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,925 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,928 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,929 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:49,929 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:49,929 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:49,930 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:49,930 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:49,930 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:49,931 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:59:49,931 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:49,932 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,933 WARN L623 FunctionHandler]: Unknown extern function tty_port_init [2022-12-13 13:59:49,935 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:59:49,935 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 13:59:49,935 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 13:59:49,938 WARN L623 FunctionHandler]: Unknown extern function device_initialize [2022-12-13 13:59:49,939 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:59:49,941 WARN L623 FunctionHandler]: Unknown extern function __kfifo_alloc [2022-12-13 13:59:49,942 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:59:49,945 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:59:49,948 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,948 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:59:49,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,952 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:49,952 WARN L623 FunctionHandler]: Unknown extern function dev_set_name [2022-12-13 13:59:49,953 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:49,953 WARN L623 FunctionHandler]: Unknown extern function device_add [2022-12-13 13:59:49,953 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:49,954 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:49,954 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-13 13:59:49,956 WARN L623 FunctionHandler]: Unknown extern function tty_port_tty_get [2022-12-13 13:59:49,956 WARN L623 FunctionHandler]: Unknown extern function tty_vhangup [2022-12-13 13:59:49,957 WARN L623 FunctionHandler]: Unknown extern function tty_kref_put [2022-12-13 13:59:49,957 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 13:59:49,957 WARN L623 FunctionHandler]: Unknown extern function device_del [2022-12-13 13:59:49,959 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:49,968 WARN L623 FunctionHandler]: Unknown extern function bus_register [2022-12-13 13:59:49,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:49,970 WARN L623 FunctionHandler]: Unknown extern function tty_set_operations [2022-12-13 13:59:49,970 WARN L623 FunctionHandler]: Unknown extern function tty_register_driver [2022-12-13 13:59:49,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:49,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:49,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:49,971 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-12-13 13:59:49,971 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-12-13 13:59:49,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:49,972 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-13 13:59:49,972 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_driver [2022-12-13 13:59:49,972 WARN L623 FunctionHandler]: Unknown extern function put_tty_driver [2022-12-13 13:59:49,972 WARN L623 FunctionHandler]: Unknown extern function bus_unregister [2022-12-13 13:59:49,974 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:49,975 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:49,976 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:49,976 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:49,977 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:49,978 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:49,979 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:49,980 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:49,981 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:49,981 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:59:49,982 WARN L623 FunctionHandler]: Unknown extern function usb_disabled [2022-12-13 13:59:49,983 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 13:59:49,983 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:49,984 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:59:49,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:49,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:59:49,984 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:59:49,986 WARN L623 FunctionHandler]: Unknown extern function driver_attach [2022-12-13 13:59:49,987 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:49,989 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:49,993 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 13:59:49,998 WARN L623 FunctionHandler]: Unknown extern function ldv_destruct_7 [2022-12-13 13:59:49,998 WARN L623 FunctionHandler]: Unknown extern function single_release [2022-12-13 13:59:49,998 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-13 13:59:49,999 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-13 13:59:50,001 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_5 [2022-12-13 13:59:50,002 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:50,003 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:50,003 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:50,003 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 13:59:50,004 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:50,004 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,004 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,004 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,004 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,005 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,005 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:59:50,005 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,005 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,006 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,006 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,006 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,006 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,006 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,007 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,007 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,007 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,007 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,007 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,007 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,008 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,008 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,008 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,008 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,008 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,009 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,009 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,009 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,009 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,009 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,010 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,010 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,010 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 13:59:50,010 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 13:59:50,011 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:59:50,011 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:59:50,011 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,011 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,012 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,012 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,012 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 13:59:50,013 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:59:50,013 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:59:50,014 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 13:59:50,015 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 13:59:50,015 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 13:59:50,015 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 13:59:50,017 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 13:59:50,018 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_flags [2022-12-13 13:59:50,019 WARN L623 FunctionHandler]: Unknown extern function tty_insert_flip_string_fixed_flag [2022-12-13 13:59:50,020 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:50,022 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,022 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:59:50,023 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,023 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:59:50,024 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,024 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out_r [2022-12-13 13:59:50,025 WARN L623 FunctionHandler]: Unknown extern function __kfifo_out [2022-12-13 13:59:50,026 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,026 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-13 13:59:50,028 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,029 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:59:50,029 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:50,029 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,030 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,031 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in_r [2022-12-13 13:59:50,031 WARN L623 FunctionHandler]: Unknown extern function __kfifo_in [2022-12-13 13:59:50,032 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,033 WARN L623 FunctionHandler]: Unknown extern function __kfifo_max_r [2022-12-13 13:59:50,034 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:50,034 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,035 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:50,037 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-13 13:59:50,037 WARN L623 FunctionHandler]: Unknown extern function jiffies_to_msecs [2022-12-13 13:59:50,038 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:50,038 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 13:59:50,041 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:50,041 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:59:50,042 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:50,043 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:59:50,044 WARN L623 FunctionHandler]: Unknown extern function tty_flip_buffer_push [2022-12-13 13:59:50,046 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:50,047 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:50,047 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:50,048 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:50,049 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,051 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,052 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:50,052 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:50,053 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:59:50,054 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,056 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,058 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,058 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 13:59:50,059 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 13:59:50,059 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 13:59:50,059 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 13:59:50,060 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 13:59:50,062 WARN L623 FunctionHandler]: Unknown extern function handle_sysrq [2022-12-13 13:59:50,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:59:50,072 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_ref [2022-12-13 13:59:50,074 WARN L623 FunctionHandler]: Unknown extern function tty_ldisc_deref [2022-12-13 13:59:50,074 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 13:59:50,075 WARN L623 FunctionHandler]: Unknown extern function tty_hangup [2022-12-13 13:59:50,077 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_4 [2022-12-13 13:59:50,078 WARN L623 FunctionHandler]: Unknown extern function ldv_release_4 [2022-12-13 13:59:50,078 WARN L623 FunctionHandler]: Unknown extern function ldv_release_4 [2022-12-13 13:59:50,078 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_4 [2022-12-13 13:59:50,079 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:50,079 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:50,079 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:50,080 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 13:59:50,080 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:50,080 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,080 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,081 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,081 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,081 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,081 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:59:50,081 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,083 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-13 13:59:50,087 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 13:59:50,088 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:50,090 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 13:59:50,091 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-13 13:59:50,095 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 13:59:50,096 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 13:59:50,097 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-12-13 13:59:50,097 WARN L623 FunctionHandler]: Unknown extern function usb_store_new_id [2022-12-13 13:59:50,098 WARN L623 FunctionHandler]: Unknown extern function usb_show_dynids [2022-12-13 13:59:50,099 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 13:59:50,099 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:59:50,100 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 13:59:50,100 WARN L623 FunctionHandler]: Unknown extern function driver_register [2022-12-13 13:59:50,101 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-13 13:59:50,103 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:50,104 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:50,104 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:59:50,104 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 13:59:50,105 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 13:59:50,105 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,105 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,105 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,106 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,106 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 13:59:50,106 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 13:59:50,106 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 13:59:50,107 WARN L623 FunctionHandler]: Unknown extern function tty_register_device [2022-12-13 13:59:50,107 WARN L623 FunctionHandler]: Unknown extern function tty_unregister_device [2022-12-13 13:59:50,107 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_c13fc453-dade-4e64-8081-c7b9fca9695b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2022-12-13 13:59:50,115 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:50,117 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:50,118 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:50,118 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:50,119 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:50,119 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:50,119 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:50,119 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:50,120 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:59:50,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:59:50,268 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:59:50,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50 WrapperNode [2022-12-13 13:59:50,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:59:50,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:59:50,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:59:50,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:59:50,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (1/1) ... [2022-12-13 13:59:50,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (1/1) ... [2022-12-13 13:59:50,550 INFO L138 Inliner]: procedures = 481, calls = 4104, calls flagged for inlining = 211, calls inlined = 204, statements flattened = 8067 [2022-12-13 13:59:50,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:59:50,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:59:50,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:59:50,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:59:50,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (1/1) ... [2022-12-13 13:59:50,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (1/1) ... [2022-12-13 13:59:50,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (1/1) ... [2022-12-13 13:59:50,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (1/1) ... [2022-12-13 13:59:50,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (1/1) ... [2022-12-13 13:59:50,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (1/1) ... [2022-12-13 13:59:50,749 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (1/1) ... [2022-12-13 13:59:50,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (1/1) ... [2022-12-13 13:59:50,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:59:50,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:59:50,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:59:50,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:59:50,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (1/1) ... [2022-12-13 13:59:50,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:59:50,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:59:50,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:59:50,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:59:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2022-12-13 13:59:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2022-12-13 13:59:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2022-12-13 13:59:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2022-12-13 13:59:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-13 13:59:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-13 13:59:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 13:59:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 13:59:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-12-13 13:59:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-12-13 13:59:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-12-13 13:59:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-12-13 13:59:50,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2022-12-13 13:59:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2022-12-13 13:59:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 13:59:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 13:59:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2022-12-13 13:59:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-13 13:59:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-12-13 13:59:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2022-12-13 13:59:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 13:59:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2022-12-13 13:59:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-12-13 13:59:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-12-13 13:59:50,883 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 13:59:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2022-12-13 13:59:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 13:59:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2022-12-13 13:59:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2022-12-13 13:59:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-12-13 13:59:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 13:59:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2022-12-13 13:59:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-12-13 13:59:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-13 13:59:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-13 13:59:50,884 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-12-13 13:59:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 13:59:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 13:59:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 13:59:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-12-13 13:59:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-13 13:59:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2022-12-13 13:59:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 13:59:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2022-12-13 13:59:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 13:59:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 13:59:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2022-12-13 13:59:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2022-12-13 13:59:50,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-13 13:59:50,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-13 13:59:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-12-13 13:59:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 13:59:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2022-12-13 13:59:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2022-12-13 13:59:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-12-13 13:59:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-13 13:59:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2022-12-13 13:59:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2022-12-13 13:59:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-13 13:59:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-12-13 13:59:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-12-13 13:59:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-12-13 13:59:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2022-12-13 13:59:50,889 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 13:59:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2022-12-13 13:59:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2022-12-13 13:59:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 13:59:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-12-13 13:59:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 13:59:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2022-12-13 13:59:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2022-12-13 13:59:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-12-13 13:59:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 13:59:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-12-13 13:59:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-12-13 13:59:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2022-12-13 13:59:50,891 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2022-12-13 13:59:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-12-13 13:59:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-12-13 13:59:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 13:59:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 13:59:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 13:59:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 13:59:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2022-12-13 13:59:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2022-12-13 13:59:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:59:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-12-13 13:59:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-12-13 13:59:51,542 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:59:51,546 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:59:51,930 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 14:00:02,782 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:00:02,802 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:00:02,802 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:00:02,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:00:02 BoogieIcfgContainer [2022-12-13 14:00:02,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:00:02,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:00:02,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:00:02,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:00:02,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:59:47" (1/3) ... [2022-12-13 14:00:02,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c3fe08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:00:02, skipping insertion in model container [2022-12-13 14:00:02,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:59:50" (2/3) ... [2022-12-13 14:00:02,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c3fe08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:00:02, skipping insertion in model container [2022-12-13 14:00:02,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:00:02" (3/3) ... [2022-12-13 14:00:02,811 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-12-13 14:00:02,825 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:00:02,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:00:02,891 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:00:02,895 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=PETRI_NET, 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;@59171653, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:00:02,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:00:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 2388 states, 1699 states have (on average 1.342554443790465) internal successors, (2281), 1741 states have internal predecessors, (2281), 555 states have call successors, (555), 133 states have call predecessors, (555), 132 states have return successors, (544), 531 states have call predecessors, (544), 544 states have call successors, (544) [2022-12-13 14:00:02,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-12-13 14:00:02,918 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:00:02,918 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 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] [2022-12-13 14:00:02,919 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:00:02,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:00:02,923 INFO L85 PathProgramCache]: Analyzing trace with hash 2031797402, now seen corresponding path program 1 times [2022-12-13 14:00:02,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:00:02,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669269400] [2022-12-13 14:00:02,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:00:02,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:00:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:00:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:00:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:00:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:00:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:00:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:00:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:00:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:00:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:00:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:00:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:00:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:00:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:00:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:00:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:00:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:00:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:00:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:00:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:00:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:00:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:00:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:00:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:00:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-13 14:00:04,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:00:04,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669269400] [2022-12-13 14:00:04,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669269400] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:00:04,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:00:04,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:00:04,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421040057] [2022-12-13 14:00:04,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:00:04,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:00:04,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:00:04,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:00:04,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:00:04,051 INFO L87 Difference]: Start difference. First operand has 2388 states, 1699 states have (on average 1.342554443790465) internal successors, (2281), 1741 states have internal predecessors, (2281), 555 states have call successors, (555), 133 states have call predecessors, (555), 132 states have return successors, (544), 531 states have call predecessors, (544), 544 states have call successors, (544) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 14:00:08,400 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 [] [2022-12-13 14:00:10,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:00:12,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:00:17,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:00:28,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:00:28,196 INFO L93 Difference]: Finished difference Result 5323 states and 7901 transitions. [2022-12-13 14:00:28,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:00:28,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 278 [2022-12-13 14:00:28,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:00:28,220 INFO L225 Difference]: With dead ends: 5323 [2022-12-13 14:00:28,220 INFO L226 Difference]: Without dead ends: 2922 [2022-12-13 14:00:28,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:00:28,234 INFO L413 NwaCegarLoop]: 2922 mSDtfsCounter, 1658 mSDsluCounter, 4791 mSDsCounter, 0 mSdLazyCounter, 3020 mSolverCounterSat, 1509 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 7713 SdHoareTripleChecker+Invalid, 4532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1509 IncrementalHoareTripleChecker+Valid, 3020 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:00:28,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 7713 Invalid, 4532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1509 Valid, 3020 Invalid, 3 Unknown, 0 Unchecked, 23.8s Time] [2022-12-13 14:00:28,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2022-12-13 14:00:28,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2370. [2022-12-13 14:00:28,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2370 states, 1694 states have (on average 1.3353010625737898) internal successors, (2262), 1723 states have internal predecessors, (2262), 544 states have call successors, (544), 132 states have call predecessors, (544), 131 states have return successors, (535), 522 states have call predecessors, (535), 535 states have call successors, (535) [2022-12-13 14:00:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3341 transitions. [2022-12-13 14:00:28,380 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3341 transitions. Word has length 278 [2022-12-13 14:00:28,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:00:28,381 INFO L495 AbstractCegarLoop]: Abstraction has 2370 states and 3341 transitions. [2022-12-13 14:00:28,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 14:00:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3341 transitions. [2022-12-13 14:00:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-12-13 14:00:28,385 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:00:28,385 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 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] [2022-12-13 14:00:28,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:00:28,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:00:28,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:00:28,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1546453712, now seen corresponding path program 1 times [2022-12-13 14:00:28,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:00:28,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144089769] [2022-12-13 14:00:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:00:28,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:00:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:00:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:00:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:00:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:00:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:00:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:00:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:00:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:00:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:00:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:00:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:00:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:00:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:00:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:00:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:00:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:00:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:00:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:00:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:00:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:00:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:00:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:00:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:00:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-13 14:00:29,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:00:29,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144089769] [2022-12-13 14:00:29,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144089769] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:00:29,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:00:29,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:00:29,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680076907] [2022-12-13 14:00:29,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:00:29,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:00:29,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:00:29,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:00:29,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:00:29,294 INFO L87 Difference]: Start difference. First operand 2370 states and 3341 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-13 14:00:32,777 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 [] [2022-12-13 14:00:41,857 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 [] [2022-12-13 14:00:46,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:00:46,727 INFO L93 Difference]: Finished difference Result 8062 states and 11751 transitions. [2022-12-13 14:00:46,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:00:46,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 278 [2022-12-13 14:00:46,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:00:46,750 INFO L225 Difference]: With dead ends: 8062 [2022-12-13 14:00:46,750 INFO L226 Difference]: Without dead ends: 5742 [2022-12-13 14:00:46,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:00:46,758 INFO L413 NwaCegarLoop]: 3401 mSDtfsCounter, 8449 mSDsluCounter, 4686 mSDsCounter, 0 mSdLazyCounter, 3478 mSolverCounterSat, 5065 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8838 SdHoareTripleChecker+Valid, 8087 SdHoareTripleChecker+Invalid, 8545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5065 IncrementalHoareTripleChecker+Valid, 3478 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:00:46,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8838 Valid, 8087 Invalid, 8545 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5065 Valid, 3478 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2022-12-13 14:00:46,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5742 states. [2022-12-13 14:00:46,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5742 to 5252. [2022-12-13 14:00:46,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5252 states, 3780 states have (on average 1.3349206349206348) internal successors, (5046), 3840 states have internal predecessors, (5046), 1173 states have call successors, (1173), 263 states have call predecessors, (1173), 298 states have return successors, (1375), 1166 states have call predecessors, (1375), 1164 states have call successors, (1375) [2022-12-13 14:00:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5252 states to 5252 states and 7594 transitions. [2022-12-13 14:00:46,964 INFO L78 Accepts]: Start accepts. Automaton has 5252 states and 7594 transitions. Word has length 278 [2022-12-13 14:00:46,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:00:46,964 INFO L495 AbstractCegarLoop]: Abstraction has 5252 states and 7594 transitions. [2022-12-13 14:00:46,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-13 14:00:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 5252 states and 7594 transitions. [2022-12-13 14:00:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-12-13 14:00:46,968 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:00:46,968 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 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] [2022-12-13 14:00:46,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:00:46,969 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:00:46,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:00:46,969 INFO L85 PathProgramCache]: Analyzing trace with hash 2011727827, now seen corresponding path program 1 times [2022-12-13 14:00:46,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:00:46,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290343610] [2022-12-13 14:00:46,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:00:46,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:00:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:00:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:00:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:00:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:00:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:00:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:00:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:00:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:00:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:00:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:00:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:00:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:00:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:00:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:00:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:00:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:00:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:00:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:00:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:00:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:00:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:00:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:00:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:00:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:00:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:00:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-13 14:00:47,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:00:47,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290343610] [2022-12-13 14:00:47,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290343610] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:00:47,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:00:47,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:00:47,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336497858] [2022-12-13 14:00:47,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:00:47,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:00:47,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:00:47,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:00:47,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:00:47,666 INFO L87 Difference]: Start difference. First operand 5252 states and 7594 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-13 14:00:50,301 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 [] [2022-12-13 14:01:02,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:01:02,610 INFO L93 Difference]: Finished difference Result 16027 states and 23473 transitions. [2022-12-13 14:01:02,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:01:02,610 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 285 [2022-12-13 14:01:02,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:01:02,654 INFO L225 Difference]: With dead ends: 16027 [2022-12-13 14:01:02,654 INFO L226 Difference]: Without dead ends: 10825 [2022-12-13 14:01:02,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:01:02,673 INFO L413 NwaCegarLoop]: 3246 mSDtfsCounter, 8195 mSDsluCounter, 4408 mSDsCounter, 0 mSdLazyCounter, 3471 mSolverCounterSat, 4964 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8593 SdHoareTripleChecker+Valid, 7654 SdHoareTripleChecker+Invalid, 8436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4964 IncrementalHoareTripleChecker+Valid, 3471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-12-13 14:01:02,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8593 Valid, 7654 Invalid, 8436 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4964 Valid, 3471 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2022-12-13 14:01:02,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10825 states. [2022-12-13 14:01:03,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10825 to 9878. [2022-12-13 14:01:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9878 states, 7106 states have (on average 1.3309878975513652) internal successors, (9458), 7219 states have internal predecessors, (9458), 2191 states have call successors, (2191), 509 states have call predecessors, (2191), 580 states have return successors, (2582), 2184 states have call predecessors, (2582), 2182 states have call successors, (2582) [2022-12-13 14:01:03,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9878 states to 9878 states and 14231 transitions. [2022-12-13 14:01:03,056 INFO L78 Accepts]: Start accepts. Automaton has 9878 states and 14231 transitions. Word has length 285 [2022-12-13 14:01:03,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:01:03,057 INFO L495 AbstractCegarLoop]: Abstraction has 9878 states and 14231 transitions. [2022-12-13 14:01:03,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-13 14:01:03,057 INFO L276 IsEmpty]: Start isEmpty. Operand 9878 states and 14231 transitions. [2022-12-13 14:01:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-12-13 14:01:03,060 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:01:03,060 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 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] [2022-12-13 14:01:03,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:01:03,060 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:01:03,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:01:03,061 INFO L85 PathProgramCache]: Analyzing trace with hash 208542103, now seen corresponding path program 1 times [2022-12-13 14:01:03,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:01:03,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844636660] [2022-12-13 14:01:03,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:01:03,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:01:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:01:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:01:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:01:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:01:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:01:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:01:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:01:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:01:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:01:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:01:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:01:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:01:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:01:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:01:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:01:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:01:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:01:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:01:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:01:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:01:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:01:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:01:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:01:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-13 14:01:03,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:01:03,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844636660] [2022-12-13 14:01:03,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844636660] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:01:03,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:01:03,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:01:03,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803185005] [2022-12-13 14:01:03,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:01:03,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:01:03,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:01:03,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:01:03,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:01:03,753 INFO L87 Difference]: Start difference. First operand 9878 states and 14231 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-13 14:01:06,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:01:10,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:01:18,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:01:24,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:01:24,694 INFO L93 Difference]: Finished difference Result 30433 states and 44808 transitions. [2022-12-13 14:01:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:01:24,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 286 [2022-12-13 14:01:24,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:01:24,780 INFO L225 Difference]: With dead ends: 30433 [2022-12-13 14:01:24,780 INFO L226 Difference]: Without dead ends: 20605 [2022-12-13 14:01:24,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:01:24,812 INFO L413 NwaCegarLoop]: 4868 mSDtfsCounter, 6059 mSDsluCounter, 5600 mSDsCounter, 0 mSdLazyCounter, 4078 mSolverCounterSat, 3849 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6431 SdHoareTripleChecker+Valid, 10468 SdHoareTripleChecker+Invalid, 7929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3849 IncrementalHoareTripleChecker+Valid, 4078 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-12-13 14:01:24,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6431 Valid, 10468 Invalid, 7929 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3849 Valid, 4078 Invalid, 2 Unknown, 0 Unchecked, 20.2s Time] [2022-12-13 14:01:24,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20605 states. [2022-12-13 14:01:25,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20605 to 18853. [2022-12-13 14:01:25,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18853 states, 13560 states have (on average 1.3279498525073747) internal successors, (18007), 13773 states have internal predecessors, (18007), 4126 states have call successors, (4126), 997 states have call predecessors, (4126), 1166 states have return successors, (5361), 4148 states have call predecessors, (5361), 4117 states have call successors, (5361) [2022-12-13 14:01:25,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18853 states to 18853 states and 27494 transitions. [2022-12-13 14:01:25,606 INFO L78 Accepts]: Start accepts. Automaton has 18853 states and 27494 transitions. Word has length 286 [2022-12-13 14:01:25,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:01:25,607 INFO L495 AbstractCegarLoop]: Abstraction has 18853 states and 27494 transitions. [2022-12-13 14:01:25,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-13 14:01:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 18853 states and 27494 transitions. [2022-12-13 14:01:25,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-12-13 14:01:25,610 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:01:25,610 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 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] [2022-12-13 14:01:25,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:01:25,611 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:01:25,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:01:25,611 INFO L85 PathProgramCache]: Analyzing trace with hash -211307316, now seen corresponding path program 1 times [2022-12-13 14:01:25,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:01:25,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268678861] [2022-12-13 14:01:25,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:01:25,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:01:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:01:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:01:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:01:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:01:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:01:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:01:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:01:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:01:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:01:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:01:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:01:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:01:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:01:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:01:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:01:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:01:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:01:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:01:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:01:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:01:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:01:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:01:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:01:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:01:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:01:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:01:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-13 14:01:26,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:01:26,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268678861] [2022-12-13 14:01:26,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268678861] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:01:26,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:01:26,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:01:26,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228106679] [2022-12-13 14:01:26,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:01:26,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:01:26,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:01:26,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:01:26,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:01:26,515 INFO L87 Difference]: Start difference. First operand 18853 states and 27494 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-13 14:01:28,849 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 [] [2022-12-13 14:01:30,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:01:32,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:01:59,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:01:59,203 INFO L93 Difference]: Finished difference Result 58933 states and 87164 transitions. [2022-12-13 14:01:59,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:01:59,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 290 [2022-12-13 14:01:59,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:01:59,361 INFO L225 Difference]: With dead ends: 58933 [2022-12-13 14:01:59,362 INFO L226 Difference]: Without dead ends: 40130 [2022-12-13 14:01:59,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:01:59,417 INFO L413 NwaCegarLoop]: 3591 mSDtfsCounter, 6330 mSDsluCounter, 8090 mSDsCounter, 0 mSdLazyCounter, 5581 mSolverCounterSat, 3241 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6722 SdHoareTripleChecker+Valid, 11681 SdHoareTripleChecker+Invalid, 8825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3241 IncrementalHoareTripleChecker+Valid, 5581 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:01:59,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6722 Valid, 11681 Invalid, 8825 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3241 Valid, 5581 Invalid, 3 Unknown, 0 Unchecked, 31.3s Time] [2022-12-13 14:01:59,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40130 states. [2022-12-13 14:02:00,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40130 to 36657. [2022-12-13 14:02:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36657 states, 26382 states have (on average 1.3287847774998105) internal successors, (35056), 26769 states have internal predecessors, (35056), 7975 states have call successors, (7975), 1960 states have call predecessors, (7975), 2299 states have return successors, (10454), 8047 states have call predecessors, (10454), 7966 states have call successors, (10454) [2022-12-13 14:02:00,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36657 states to 36657 states and 53485 transitions. [2022-12-13 14:02:00,868 INFO L78 Accepts]: Start accepts. Automaton has 36657 states and 53485 transitions. Word has length 290 [2022-12-13 14:02:00,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:02:00,869 INFO L495 AbstractCegarLoop]: Abstraction has 36657 states and 53485 transitions. [2022-12-13 14:02:00,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-13 14:02:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 36657 states and 53485 transitions. [2022-12-13 14:02:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-12-13 14:02:00,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:02:00,872 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 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] [2022-12-13 14:02:00,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:02:00,873 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:02:00,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:02:00,873 INFO L85 PathProgramCache]: Analyzing trace with hash 392478126, now seen corresponding path program 1 times [2022-12-13 14:02:00,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:02:00,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725747689] [2022-12-13 14:02:00,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:02:00,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:02:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:02:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:02:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:02:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:02:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:02:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:02:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:02:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:02:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:02:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:02:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:02:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:02:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:02:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:02:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:02:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:02:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:02:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:02:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:02:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:02:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:02:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:02:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:02:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:02:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:02:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-13 14:02:01,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:02:01,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725747689] [2022-12-13 14:02:01,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725747689] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:02:01,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:02:01,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 14:02:01,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896620666] [2022-12-13 14:02:01,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:02:01,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 14:02:01,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:02:01,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 14:02:01,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:02:01,855 INFO L87 Difference]: Start difference. First operand 36657 states and 53485 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 14:02:04,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:02:06,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:02:15,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:02:16,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:02:18,756 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 [] [2022-12-13 14:02:44,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:02:44,327 INFO L93 Difference]: Finished difference Result 117307 states and 178496 transitions. [2022-12-13 14:02:44,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 14:02:44,328 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 304 [2022-12-13 14:02:44,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:02:44,692 INFO L225 Difference]: With dead ends: 117307 [2022-12-13 14:02:44,692 INFO L226 Difference]: Without dead ends: 80700 [2022-12-13 14:02:44,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:02:44,897 INFO L413 NwaCegarLoop]: 3595 mSDtfsCounter, 6613 mSDsluCounter, 9945 mSDsCounter, 0 mSdLazyCounter, 7372 mSolverCounterSat, 3478 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6986 SdHoareTripleChecker+Valid, 13540 SdHoareTripleChecker+Invalid, 10853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3478 IncrementalHoareTripleChecker+Valid, 7372 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:02:44,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6986 Valid, 13540 Invalid, 10853 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3478 Valid, 7372 Invalid, 3 Unknown, 0 Unchecked, 39.6s Time] [2022-12-13 14:02:44,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80700 states. [2022-12-13 14:02:47,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80700 to 72490. [2022-12-13 14:02:47,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72490 states, 52448 states have (on average 1.3241305674191581) internal successors, (69448), 53314 states have internal predecessors, (69448), 15197 states have call successors, (15197), 3860 states have call predecessors, (15197), 4844 states have return successors, (23902), 15539 states have call predecessors, (23902), 15183 states have call successors, (23902) [2022-12-13 14:02:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72490 states to 72490 states and 108547 transitions. [2022-12-13 14:02:47,623 INFO L78 Accepts]: Start accepts. Automaton has 72490 states and 108547 transitions. Word has length 304 [2022-12-13 14:02:47,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:02:47,623 INFO L495 AbstractCegarLoop]: Abstraction has 72490 states and 108547 transitions. [2022-12-13 14:02:47,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 14:02:47,624 INFO L276 IsEmpty]: Start isEmpty. Operand 72490 states and 108547 transitions. [2022-12-13 14:02:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-12-13 14:02:47,626 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:02:47,626 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 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] [2022-12-13 14:02:47,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 14:02:47,626 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:02:47,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:02:47,626 INFO L85 PathProgramCache]: Analyzing trace with hash -719494350, now seen corresponding path program 1 times [2022-12-13 14:02:47,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:02:47,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404337509] [2022-12-13 14:02:47,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:02:47,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:02:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:02:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:02:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:02:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:02:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:02:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:02:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:02:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:02:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:02:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:02:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:02:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:02:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:02:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:02:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:02:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:02:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:02:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:02:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:02:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:02:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:02:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:02:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:02:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:02:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:02:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:02:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:02:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:02:48,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-13 14:02:48,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:02:48,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404337509] [2022-12-13 14:02:48,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404337509] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:02:48,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:02:48,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 14:02:48,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298175694] [2022-12-13 14:02:48,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:02:48,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 14:02:48,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:02:48,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 14:02:48,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:02:48,344 INFO L87 Difference]: Start difference. First operand 72490 states and 108547 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 14:02:50,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:03:04,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:04,212 INFO L93 Difference]: Finished difference Result 80320 states and 122873 transitions. [2022-12-13 14:03:04,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:03:04,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 305 [2022-12-13 14:03:04,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:04,531 INFO L225 Difference]: With dead ends: 80320 [2022-12-13 14:03:04,531 INFO L226 Difference]: Without dead ends: 80317 [2022-12-13 14:03:04,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:03:04,562 INFO L413 NwaCegarLoop]: 2872 mSDtfsCounter, 6065 mSDsluCounter, 3533 mSDsCounter, 0 mSdLazyCounter, 2402 mSolverCounterSat, 3014 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6379 SdHoareTripleChecker+Valid, 6405 SdHoareTripleChecker+Invalid, 5417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3014 IncrementalHoareTripleChecker+Valid, 2402 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:04,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6379 Valid, 6405 Invalid, 5417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3014 Valid, 2402 Invalid, 1 Unknown, 0 Unchecked, 13.4s Time] [2022-12-13 14:03:04,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80317 states. [2022-12-13 14:03:07,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80317 to 72489. [2022-12-13 14:03:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72489 states, 52448 states have (on average 1.3241115009151923) internal successors, (69447), 53313 states have internal predecessors, (69447), 15196 states have call successors, (15196), 3860 states have call predecessors, (15196), 4844 states have return successors, (23902), 15539 states have call predecessors, (23902), 15183 states have call successors, (23902) [2022-12-13 14:03:07,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72489 states to 72489 states and 108545 transitions. [2022-12-13 14:03:07,770 INFO L78 Accepts]: Start accepts. Automaton has 72489 states and 108545 transitions. Word has length 305 [2022-12-13 14:03:07,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:03:07,771 INFO L495 AbstractCegarLoop]: Abstraction has 72489 states and 108545 transitions. [2022-12-13 14:03:07,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 14:03:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 72489 states and 108545 transitions. [2022-12-13 14:03:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-12-13 14:03:07,774 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:07,775 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 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] [2022-12-13 14:03:07,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 14:03:07,775 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:07,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:07,775 INFO L85 PathProgramCache]: Analyzing trace with hash -830897871, now seen corresponding path program 1 times [2022-12-13 14:03:07,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:07,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275018070] [2022-12-13 14:03:07,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:07,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:03:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:03:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:03:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:03:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:03:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:03:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:03:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:03:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:03:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:03:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:03:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:03:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:03:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:03:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:03:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:03:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:03:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:03:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:03:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:03:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:03:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:03:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:03:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:03:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:03:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-13 14:03:08,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:08,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275018070] [2022-12-13 14:03:08,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275018070] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:08,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:08,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 14:03:08,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36649210] [2022-12-13 14:03:08,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:08,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 14:03:08,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:08,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 14:03:08,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:03:08,571 INFO L87 Difference]: Start difference. First operand 72489 states and 108545 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 14:03:10,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:03:12,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:03:18,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:03:31,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:31,335 INFO L93 Difference]: Finished difference Result 80319 states and 122871 transitions. [2022-12-13 14:03:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:03:31,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 306 [2022-12-13 14:03:31,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:31,724 INFO L225 Difference]: With dead ends: 80319 [2022-12-13 14:03:31,725 INFO L226 Difference]: Without dead ends: 80316 [2022-12-13 14:03:31,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:03:31,757 INFO L413 NwaCegarLoop]: 2867 mSDtfsCounter, 5641 mSDsluCounter, 4884 mSDsCounter, 0 mSdLazyCounter, 3091 mSolverCounterSat, 2867 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5962 SdHoareTripleChecker+Valid, 7751 SdHoareTripleChecker+Invalid, 5960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2867 IncrementalHoareTripleChecker+Valid, 3091 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:31,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5962 Valid, 7751 Invalid, 5960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2867 Valid, 3091 Invalid, 2 Unknown, 0 Unchecked, 19.9s Time] [2022-12-13 14:03:31,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80316 states. [2022-12-13 14:03:34,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80316 to 72488. [2022-12-13 14:03:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72488 states, 52448 states have (on average 1.3240924344112264) internal successors, (69446), 53312 states have internal predecessors, (69446), 15195 states have call successors, (15195), 3860 states have call predecessors, (15195), 4844 states have return successors, (23902), 15539 states have call predecessors, (23902), 15183 states have call successors, (23902) [2022-12-13 14:03:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72488 states to 72488 states and 108543 transitions. [2022-12-13 14:03:34,826 INFO L78 Accepts]: Start accepts. Automaton has 72488 states and 108543 transitions. Word has length 306 [2022-12-13 14:03:34,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:03:34,826 INFO L495 AbstractCegarLoop]: Abstraction has 72488 states and 108543 transitions. [2022-12-13 14:03:34,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 14:03:34,826 INFO L276 IsEmpty]: Start isEmpty. Operand 72488 states and 108543 transitions. [2022-12-13 14:03:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-12-13 14:03:34,828 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:03:34,829 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 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] [2022-12-13 14:03:34,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 14:03:34,829 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:03:34,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:34,829 INFO L85 PathProgramCache]: Analyzing trace with hash 10565141, now seen corresponding path program 1 times [2022-12-13 14:03:34,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:34,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074657914] [2022-12-13 14:03:34,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:34,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:03:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:03:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:03:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:03:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:03:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:03:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:03:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:03:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:03:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:03:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:03:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:03:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:03:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:03:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:03:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:03:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:03:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:03:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:03:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:03:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:03:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:03:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:03:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:03:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:03:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:03:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:03:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-13 14:03:35,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:35,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074657914] [2022-12-13 14:03:35,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074657914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:35,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:35,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 14:03:35,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685566853] [2022-12-13 14:03:35,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:35,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 14:03:35,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:35,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 14:03:35,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:03:35,415 INFO L87 Difference]: Start difference. First operand 72488 states and 108543 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 14:03:37,733 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 [] [2022-12-13 14:03:39,740 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 [] [2022-12-13 14:03:57,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:03:57,995 INFO L93 Difference]: Finished difference Result 80318 states and 122869 transitions. [2022-12-13 14:03:57,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:03:57,996 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 307 [2022-12-13 14:03:57,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:03:58,323 INFO L225 Difference]: With dead ends: 80318 [2022-12-13 14:03:58,323 INFO L226 Difference]: Without dead ends: 80315 [2022-12-13 14:03:58,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:03:58,359 INFO L413 NwaCegarLoop]: 2860 mSDtfsCounter, 5643 mSDsluCounter, 5006 mSDsCounter, 0 mSdLazyCounter, 3199 mSolverCounterSat, 2862 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5966 SdHoareTripleChecker+Valid, 7866 SdHoareTripleChecker+Invalid, 6063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2862 IncrementalHoareTripleChecker+Valid, 3199 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-12-13 14:03:58,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5966 Valid, 7866 Invalid, 6063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2862 Valid, 3199 Invalid, 2 Unknown, 0 Unchecked, 19.4s Time] [2022-12-13 14:03:58,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80315 states. [2022-12-13 14:04:01,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80315 to 72487. [2022-12-13 14:04:01,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72487 states, 52448 states have (on average 1.3240733679072605) internal successors, (69445), 53311 states have internal predecessors, (69445), 15194 states have call successors, (15194), 3860 states have call predecessors, (15194), 4844 states have return successors, (23902), 15539 states have call predecessors, (23902), 15183 states have call successors, (23902) [2022-12-13 14:04:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72487 states to 72487 states and 108541 transitions. [2022-12-13 14:04:01,782 INFO L78 Accepts]: Start accepts. Automaton has 72487 states and 108541 transitions. Word has length 307 [2022-12-13 14:04:01,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:04:01,783 INFO L495 AbstractCegarLoop]: Abstraction has 72487 states and 108541 transitions. [2022-12-13 14:04:01,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 14:04:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 72487 states and 108541 transitions. [2022-12-13 14:04:01,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-12-13 14:04:01,785 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:04:01,785 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 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] [2022-12-13 14:04:01,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 14:04:01,785 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:04:01,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:04:01,786 INFO L85 PathProgramCache]: Analyzing trace with hash 326119604, now seen corresponding path program 1 times [2022-12-13 14:04:01,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:04:01,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024079210] [2022-12-13 14:04:01,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:01,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:04:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:04:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:04:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:04:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:04:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:04:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:04:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:04:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:04:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:04:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:04:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:04:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:04:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:04:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:04:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:04:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:04:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:04:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:04:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:04:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:04:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:04:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:04:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:04:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:04:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:04:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:02,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-13 14:04:02,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:04:02,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024079210] [2022-12-13 14:04:02,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024079210] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:04:02,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:04:02,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 14:04:02,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942650293] [2022-12-13 14:04:02,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:04:02,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 14:04:02,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:04:02,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 14:04:02,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:04:02,562 INFO L87 Difference]: Start difference. First operand 72487 states and 108541 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 14:04:04,881 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 [] [2022-12-13 14:04:06,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:04:08,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:04:16,613 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 [] [2022-12-13 14:04:32,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:04:32,756 INFO L93 Difference]: Finished difference Result 82653 states and 125278 transitions. [2022-12-13 14:04:32,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 14:04:32,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 308 [2022-12-13 14:04:32,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:04:33,088 INFO L225 Difference]: With dead ends: 82653 [2022-12-13 14:04:33,088 INFO L226 Difference]: Without dead ends: 82619 [2022-12-13 14:04:33,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:04:33,136 INFO L413 NwaCegarLoop]: 2916 mSDtfsCounter, 4917 mSDsluCounter, 6831 mSDsCounter, 0 mSdLazyCounter, 4325 mSolverCounterSat, 2124 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5206 SdHoareTripleChecker+Valid, 9747 SdHoareTripleChecker+Invalid, 6452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2124 IncrementalHoareTripleChecker+Valid, 4325 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-12-13 14:04:33,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5206 Valid, 9747 Invalid, 6452 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2124 Valid, 4325 Invalid, 3 Unknown, 0 Unchecked, 26.5s Time] [2022-12-13 14:04:33,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82619 states. [2022-12-13 14:04:36,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82619 to 74707. [2022-12-13 14:04:36,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74707 states, 53982 states have (on average 1.3181801341187804) internal successors, (71158), 54850 states have internal predecessors, (71158), 15465 states have call successors, (15465), 4265 states have call predecessors, (15465), 5259 states have return successors, (24127), 15815 states have call predecessors, (24127), 15448 states have call successors, (24127) [2022-12-13 14:04:36,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74707 states to 74707 states and 110750 transitions. [2022-12-13 14:04:36,794 INFO L78 Accepts]: Start accepts. Automaton has 74707 states and 110750 transitions. Word has length 308 [2022-12-13 14:04:36,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:04:36,795 INFO L495 AbstractCegarLoop]: Abstraction has 74707 states and 110750 transitions. [2022-12-13 14:04:36,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 14:04:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 74707 states and 110750 transitions. [2022-12-13 14:04:36,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 14:04:36,801 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:04:36,802 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 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] [2022-12-13 14:04:36,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 14:04:36,802 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:04:36,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:04:36,802 INFO L85 PathProgramCache]: Analyzing trace with hash -822915711, now seen corresponding path program 1 times [2022-12-13 14:04:36,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:04:36,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799288041] [2022-12-13 14:04:36,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:04:36,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:04:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:04:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:04:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:04:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:04:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:04:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:04:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:04:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:04:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:04:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:04:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:04:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:04:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:04:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:04:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:04:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:04:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:04:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:04:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:04:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:04:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:04:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:04:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:04:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 14:04:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-12-13 14:04:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:04:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 14:04:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 14:04:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 14:04:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:04:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 14:04:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:04:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 14:04:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-12-13 14:04:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-12-13 14:04:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:04:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2022-12-13 14:04:37,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:04:37,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799288041] [2022-12-13 14:04:37,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799288041] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:04:37,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:04:37,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 14:04:37,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776927519] [2022-12-13 14:04:37,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:04:37,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 14:04:37,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:04:37,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 14:04:37,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:04:37,427 INFO L87 Difference]: Start difference. First operand 74707 states and 110750 transitions. Second operand has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (39), 8 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 14:04:39,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:05:17,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:05:17,672 INFO L93 Difference]: Finished difference Result 270059 states and 415966 transitions. [2022-12-13 14:05:17,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 14:05:17,673 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (39), 8 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 386 [2022-12-13 14:05:17,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:05:18,753 INFO L225 Difference]: With dead ends: 270059 [2022-12-13 14:05:18,753 INFO L226 Difference]: Without dead ends: 195402 [2022-12-13 14:05:19,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2022-12-13 14:05:19,056 INFO L413 NwaCegarLoop]: 2657 mSDtfsCounter, 16014 mSDsluCounter, 6440 mSDsCounter, 0 mSdLazyCounter, 9173 mSolverCounterSat, 11685 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16551 SdHoareTripleChecker+Valid, 9097 SdHoareTripleChecker+Invalid, 20859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11685 IncrementalHoareTripleChecker+Valid, 9173 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:05:19,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16551 Valid, 9097 Invalid, 20859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11685 Valid, 9173 Invalid, 1 Unknown, 0 Unchecked, 29.1s Time] [2022-12-13 14:05:19,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195402 states. [2022-12-13 14:05:28,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195402 to 176833. [2022-12-13 14:05:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176833 states, 128580 states have (on average 1.3235028775859388) internal successors, (170176), 130362 states have internal predecessors, (170176), 36471 states have call successors, (36471), 8519 states have call predecessors, (36471), 11781 states have return successors, (61886), 38431 states have call predecessors, (61886), 36446 states have call successors, (61886) [2022-12-13 14:05:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176833 states to 176833 states and 268533 transitions. [2022-12-13 14:05:30,089 INFO L78 Accepts]: Start accepts. Automaton has 176833 states and 268533 transitions. Word has length 386 [2022-12-13 14:05:30,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:05:30,090 INFO L495 AbstractCegarLoop]: Abstraction has 176833 states and 268533 transitions. [2022-12-13 14:05:30,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (39), 8 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 14:05:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 176833 states and 268533 transitions. [2022-12-13 14:05:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-12-13 14:05:30,094 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:05:30,095 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2022-12-13 14:05:30,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 14:05:30,095 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:05:30,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:05:30,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1424946684, now seen corresponding path program 1 times [2022-12-13 14:05:30,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:05:30,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272081155] [2022-12-13 14:05:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:05:30,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:05:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:05:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:05:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:05:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:05:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:05:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:05:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:05:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:05:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:05:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:05:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:05:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:05:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:05:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:05:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:05:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:05:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:05:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:05:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:05:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:05:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:05:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:05:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:05:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:05:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:05:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 14:05:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 14:05:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:05:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:05:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 14:05:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-12-13 14:05:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-12-13 14:05:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-12-13 14:05:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-12-13 14:05:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2022-12-13 14:05:31,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:05:31,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272081155] [2022-12-13 14:05:31,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272081155] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:05:31,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:05:31,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 14:05:31,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449697714] [2022-12-13 14:05:31,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:05:31,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 14:05:31,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:05:31,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 14:05:31,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:05:31,005 INFO L87 Difference]: Start difference. First operand 176833 states and 268533 transitions. Second operand has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (39), 8 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 14:05:33,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:05:35,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:05:37,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:05:39,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:05:52,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:05:55,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:06:19,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:06:19,956 INFO L93 Difference]: Finished difference Result 282246 states and 434206 transitions. [2022-12-13 14:06:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 14:06:19,957 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (39), 8 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 385 [2022-12-13 14:06:19,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:06:20,429 INFO L225 Difference]: With dead ends: 282246 [2022-12-13 14:06:20,429 INFO L226 Difference]: Without dead ends: 105463 [2022-12-13 14:06:21,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2022-12-13 14:06:21,011 INFO L413 NwaCegarLoop]: 1875 mSDtfsCounter, 6474 mSDsluCounter, 6404 mSDsCounter, 0 mSdLazyCounter, 9654 mSolverCounterSat, 3651 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6788 SdHoareTripleChecker+Valid, 8279 SdHoareTripleChecker+Invalid, 13310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3651 IncrementalHoareTripleChecker+Valid, 9654 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2022-12-13 14:06:21,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6788 Valid, 8279 Invalid, 13310 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3651 Valid, 9654 Invalid, 5 Unknown, 0 Unchecked, 39.7s Time] [2022-12-13 14:06:21,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105463 states. [2022-12-13 14:06:26,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105463 to 90323. [2022-12-13 14:06:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90323 states, 65537 states have (on average 1.3203228710499413) internal successors, (86530), 66448 states have internal predecessors, (86530), 18588 states have call successors, (18588), 4495 states have call predecessors, (18588), 6197 states have return successors, (31523), 19619 states have call predecessors, (31523), 18563 states have call successors, (31523) [2022-12-13 14:06:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90323 states to 90323 states and 136641 transitions. [2022-12-13 14:06:26,963 INFO L78 Accepts]: Start accepts. Automaton has 90323 states and 136641 transitions. Word has length 385 [2022-12-13 14:06:26,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:06:26,964 INFO L495 AbstractCegarLoop]: Abstraction has 90323 states and 136641 transitions. [2022-12-13 14:06:26,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (39), 8 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 14:06:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 90323 states and 136641 transitions. [2022-12-13 14:06:26,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-12-13 14:06:26,967 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:06:26,968 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 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] [2022-12-13 14:06:26,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 14:06:26,968 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:06:26,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:06:26,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1050104697, now seen corresponding path program 1 times [2022-12-13 14:06:26,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:06:26,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603302720] [2022-12-13 14:06:26,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:06:26,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:06:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:06:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:06:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:06:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:06:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:06:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:06:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:06:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:06:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:06:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:06:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:06:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:06:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:06:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:06:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:27,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:06:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:06:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:06:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:06:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:06:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:06:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:06:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:06:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:06:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:06:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:06:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 14:06:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 14:06:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 14:06:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-12-13 14:06:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-12-13 14:06:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:06:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:06:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-12-13 14:06:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-12-13 14:06:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-12-13 14:06:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:28,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1434 trivial. 0 not checked. [2022-12-13 14:06:28,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:06:28,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603302720] [2022-12-13 14:06:28,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603302720] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:06:28,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:06:28,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 14:06:28,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904459143] [2022-12-13 14:06:28,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:06:28,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 14:06:28,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:06:28,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 14:06:28,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:06:28,173 INFO L87 Difference]: Start difference. First operand 90323 states and 136641 transitions. Second operand has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (42), 9 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 14:06:30,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:06:32,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:06:34,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:06:36,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:06:48,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:07:06,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:07:06,773 INFO L93 Difference]: Finished difference Result 102666 states and 162287 transitions. [2022-12-13 14:07:06,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 14:07:06,774 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (42), 9 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 413 [2022-12-13 14:07:06,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:07:07,193 INFO L225 Difference]: With dead ends: 102666 [2022-12-13 14:07:07,193 INFO L226 Difference]: Without dead ends: 102631 [2022-12-13 14:07:07,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-12-13 14:07:07,241 INFO L413 NwaCegarLoop]: 1876 mSDtfsCounter, 4884 mSDsluCounter, 6164 mSDsCounter, 0 mSdLazyCounter, 8479 mSolverCounterSat, 3467 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5099 SdHoareTripleChecker+Valid, 8040 SdHoareTripleChecker+Invalid, 11950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3467 IncrementalHoareTripleChecker+Valid, 8479 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:07:07,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5099 Valid, 8040 Invalid, 11950 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3467 Valid, 8479 Invalid, 4 Unknown, 0 Unchecked, 32.1s Time] [2022-12-13 14:07:07,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102631 states. [2022-12-13 14:07:13,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102631 to 90290. [2022-12-13 14:07:13,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90290 states, 65521 states have (on average 1.3195464049693992) internal successors, (86458), 66415 states have internal predecessors, (86458), 18571 states have call successors, (18571), 4495 states have call predecessors, (18571), 6197 states have return successors, (31523), 19619 states have call predecessors, (31523), 18563 states have call successors, (31523) [2022-12-13 14:07:13,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90290 states to 90290 states and 136552 transitions. [2022-12-13 14:07:13,787 INFO L78 Accepts]: Start accepts. Automaton has 90290 states and 136552 transitions. Word has length 413 [2022-12-13 14:07:13,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:07:13,788 INFO L495 AbstractCegarLoop]: Abstraction has 90290 states and 136552 transitions. [2022-12-13 14:07:13,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (42), 9 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 14:07:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 90290 states and 136552 transitions. [2022-12-13 14:07:13,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-12-13 14:07:13,804 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:07:13,804 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:07:13,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 14:07:13,805 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:07:13,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:13,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1808168726, now seen corresponding path program 1 times [2022-12-13 14:07:13,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:13,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997931512] [2022-12-13 14:07:13,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:13,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:07:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:07:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:07:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:07:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:07:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:07:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:07:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:07:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:07:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:07:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:07:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:07:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:07:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:07:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:07:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:07:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:07:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:07:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:07:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:07:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:07:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:07:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:07:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:07:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:07:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 14:07:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-12-13 14:07:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-12-13 14:07:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-12-13 14:07:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-12-13 14:07:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-12-13 14:07:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-12-13 14:07:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:07:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:07:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-12-13 14:07:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-12-13 14:07:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-12-13 14:07:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:14,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2240 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2238 trivial. 0 not checked. [2022-12-13 14:07:14,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:07:14,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997931512] [2022-12-13 14:07:14,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997931512] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:07:14,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:07:14,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 14:07:14,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134589650] [2022-12-13 14:07:14,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:07:14,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 14:07:14,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:07:14,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 14:07:14,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:07:14,729 INFO L87 Difference]: Start difference. First operand 90290 states and 136552 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (41), 7 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-13 14:07:17,316 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 [] [2022-12-13 14:07:19,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:07:32,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:07:55,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:07:55,857 INFO L93 Difference]: Finished difference Result 190177 states and 292026 transitions. [2022-12-13 14:07:55,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 14:07:55,857 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (41), 7 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 451 [2022-12-13 14:07:55,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:07:56,384 INFO L225 Difference]: With dead ends: 190177 [2022-12-13 14:07:56,384 INFO L226 Difference]: Without dead ends: 100318 [2022-12-13 14:07:56,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-12-13 14:07:56,661 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 4544 mSDsluCounter, 9315 mSDsCounter, 0 mSdLazyCounter, 9509 mSolverCounterSat, 2939 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4805 SdHoareTripleChecker+Valid, 11571 SdHoareTripleChecker+Invalid, 12451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2939 IncrementalHoareTripleChecker+Valid, 9509 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2022-12-13 14:07:56,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4805 Valid, 11571 Invalid, 12451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2939 Valid, 9509 Invalid, 3 Unknown, 0 Unchecked, 33.6s Time] [2022-12-13 14:07:56,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100318 states. [2022-12-13 14:08:01,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100318 to 90292. [2022-12-13 14:08:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90292 states, 65523 states have (on average 1.3194145567205409) internal successors, (86452), 66417 states have internal predecessors, (86452), 18571 states have call successors, (18571), 4495 states have call predecessors, (18571), 6197 states have return successors, (31523), 19619 states have call predecessors, (31523), 18563 states have call successors, (31523) [2022-12-13 14:08:02,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90292 states to 90292 states and 136546 transitions. [2022-12-13 14:08:02,513 INFO L78 Accepts]: Start accepts. Automaton has 90292 states and 136546 transitions. Word has length 451 [2022-12-13 14:08:02,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:08:02,513 INFO L495 AbstractCegarLoop]: Abstraction has 90292 states and 136546 transitions. [2022-12-13 14:08:02,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (41), 7 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-13 14:08:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 90292 states and 136546 transitions. [2022-12-13 14:08:02,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-12-13 14:08:02,522 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:08:02,522 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:08:02,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 14:08:02,523 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:08:02,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:02,523 INFO L85 PathProgramCache]: Analyzing trace with hash 463616643, now seen corresponding path program 1 times [2022-12-13 14:08:02,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:02,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927977605] [2022-12-13 14:08:02,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:02,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:08:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:08:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:08:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:08:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:08:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:08:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:08:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:08:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:08:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:08:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:08:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:08:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:08:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:08:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:08:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:08:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:08:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:08:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:08:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:08:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:08:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:08:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:08:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:08:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:08:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 14:08:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:08:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-12-13 14:08:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 14:08:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 14:08:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-12-13 14:08:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-12-13 14:08:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-12-13 14:08:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-12-13 14:08:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-12-13 14:08:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-12-13 14:08:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2240 trivial. 0 not checked. [2022-12-13 14:08:03,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:08:03,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927977605] [2022-12-13 14:08:03,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927977605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:08:03,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:08:03,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 14:08:03,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319794105] [2022-12-13 14:08:03,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:08:03,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 14:08:03,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:08:03,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 14:08:03,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:08:03,455 INFO L87 Difference]: Start difference. First operand 90292 states and 136546 transitions. Second operand has 8 states, 8 states have (on average 15.25) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (42), 8 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 14:08:05,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:08:19,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:08:47,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:08:47,530 INFO L93 Difference]: Finished difference Result 195531 states and 302768 transitions. [2022-12-13 14:08:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 14:08:47,531 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (42), 8 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 459 [2022-12-13 14:08:47,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:08:48,086 INFO L225 Difference]: With dead ends: 195531 [2022-12-13 14:08:48,086 INFO L226 Difference]: Without dead ends: 105686 [2022-12-13 14:08:48,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-12-13 14:08:48,512 INFO L413 NwaCegarLoop]: 3895 mSDtfsCounter, 9214 mSDsluCounter, 8797 mSDsCounter, 0 mSdLazyCounter, 10602 mSolverCounterSat, 7142 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9651 SdHoareTripleChecker+Valid, 12692 SdHoareTripleChecker+Invalid, 17746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7142 IncrementalHoareTripleChecker+Valid, 10602 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:08:48,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9651 Valid, 12692 Invalid, 17746 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7142 Valid, 10602 Invalid, 2 Unknown, 0 Unchecked, 35.3s Time] [2022-12-13 14:08:48,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105686 states. [2022-12-13 14:08:54,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105686 to 89675. [2022-12-13 14:08:54,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89675 states, 65134 states have (on average 1.3200632542143889) internal successors, (85981), 65986 states have internal predecessors, (85981), 18433 states have call successors, (18433), 4449 states have call predecessors, (18433), 6107 states have return successors, (28983), 19479 states have call predecessors, (28983), 18387 states have call successors, (28983) [2022-12-13 14:08:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89675 states to 89675 states and 133397 transitions. [2022-12-13 14:08:54,978 INFO L78 Accepts]: Start accepts. Automaton has 89675 states and 133397 transitions. Word has length 459 [2022-12-13 14:08:54,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:08:54,978 INFO L495 AbstractCegarLoop]: Abstraction has 89675 states and 133397 transitions. [2022-12-13 14:08:54,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (42), 8 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 14:08:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 89675 states and 133397 transitions. [2022-12-13 14:08:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-12-13 14:08:54,991 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:08:54,991 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 12, 12, 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] [2022-12-13 14:08:54,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 14:08:54,991 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:08:54,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:08:54,992 INFO L85 PathProgramCache]: Analyzing trace with hash -359147223, now seen corresponding path program 1 times [2022-12-13 14:08:54,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:08:54,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464442343] [2022-12-13 14:08:54,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:08:54,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:08:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:08:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:08:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:08:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:08:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:08:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:08:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:08:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:08:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:08:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:08:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:08:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:08:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:08:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:08:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:08:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:08:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:08:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:08:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:08:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:08:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:08:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:08:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:08:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:08:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:08:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 14:08:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:08:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-12-13 14:08:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 14:08:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 14:08:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-12-13 14:08:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-12-13 14:08:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-12-13 14:08:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:08:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:08:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-12-13 14:08:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-12-13 14:08:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-12-13 14:08:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:08:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2251 trivial. 0 not checked. [2022-12-13 14:08:55,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:08:55,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464442343] [2022-12-13 14:08:55,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464442343] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:08:55,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:08:55,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 14:08:55,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775251162] [2022-12-13 14:08:55,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:08:55,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 14:08:55,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:08:55,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 14:08:55,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:08:55,706 INFO L87 Difference]: Start difference. First operand 89675 states and 133397 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-12-13 14:08:58,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:09:00,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:09:08,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:09:14,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:09:56,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:09:56,897 INFO L93 Difference]: Finished difference Result 249581 states and 379444 transitions. [2022-12-13 14:09:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 14:09:56,898 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 477 [2022-12-13 14:09:56,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:09:57,676 INFO L225 Difference]: With dead ends: 249581 [2022-12-13 14:09:57,676 INFO L226 Difference]: Without dead ends: 160353 [2022-12-13 14:09:58,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-12-13 14:09:58,075 INFO L413 NwaCegarLoop]: 3139 mSDtfsCounter, 9727 mSDsluCounter, 10626 mSDsCounter, 0 mSdLazyCounter, 14039 mSolverCounterSat, 6193 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10239 SdHoareTripleChecker+Valid, 13765 SdHoareTripleChecker+Invalid, 20235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6193 IncrementalHoareTripleChecker+Valid, 14039 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:09:58,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10239 Valid, 13765 Invalid, 20235 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6193 Valid, 14039 Invalid, 3 Unknown, 0 Unchecked, 49.0s Time] [2022-12-13 14:09:58,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160353 states. [2022-12-13 14:10:06,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160353 to 136247. [2022-12-13 14:10:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136247 states, 99202 states have (on average 1.3182496320638697) internal successors, (130773), 100502 states have internal predecessors, (130773), 27777 states have call successors, (27777), 6753 states have call predecessors, (27777), 9267 states have return successors, (43561), 29355 states have call predecessors, (43561), 27715 states have call successors, (43561) [2022-12-13 14:10:07,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136247 states to 136247 states and 202111 transitions. [2022-12-13 14:10:07,488 INFO L78 Accepts]: Start accepts. Automaton has 136247 states and 202111 transitions. Word has length 477 [2022-12-13 14:10:07,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:07,488 INFO L495 AbstractCegarLoop]: Abstraction has 136247 states and 202111 transitions. [2022-12-13 14:10:07,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (45), 7 states have call predecessors, (45), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-12-13 14:10:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 136247 states and 202111 transitions. [2022-12-13 14:10:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-12-13 14:10:07,502 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:07,502 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:07,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 14:10:07,502 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:10:07,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:07,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1291423358, now seen corresponding path program 1 times [2022-12-13 14:10:07,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:07,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431066786] [2022-12-13 14:10:07,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:07,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:10:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:10:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:10:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:10:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:10:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:10:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:10:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:10:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:10:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:10:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:10:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:10:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:10:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:10:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:10:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:10:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:10:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:10:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:10:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:10:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:10:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:10:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:10:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:10:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:10:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 14:10:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 14:10:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-12-13 14:10:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 14:10:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 14:10:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-12-13 14:10:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-12-13 14:10:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-12-13 14:10:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-12-13 14:10:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-12-13 14:10:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-12-13 14:10:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 2249 trivial. 0 not checked. [2022-12-13 14:10:09,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:09,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431066786] [2022-12-13 14:10:09,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431066786] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:10:09,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387643406] [2022-12-13 14:10:09,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:09,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:09,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:09,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:10:09,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:10:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:11,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 7838 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 14:10:11,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:10:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 930 proven. 0 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2022-12-13 14:10:11,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:10:11,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387643406] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:10:11,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:10:11,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2022-12-13 14:10:11,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148551781] [2022-12-13 14:10:11,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:10:11,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:10:11,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:11,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:10:11,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-12-13 14:10:11,229 INFO L87 Difference]: Start difference. First operand 136247 states and 202111 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-13 14:10:13,329 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 [] [2022-12-13 14:10:22,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:10:22,320 INFO L93 Difference]: Finished difference Result 272106 states and 403686 transitions. [2022-12-13 14:10:22,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 14:10:22,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 476 [2022-12-13 14:10:22,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:10:22,972 INFO L225 Difference]: With dead ends: 272106 [2022-12-13 14:10:22,972 INFO L226 Difference]: Without dead ends: 136048 [2022-12-13 14:10:23,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-12-13 14:10:23,516 INFO L413 NwaCegarLoop]: 3325 mSDtfsCounter, 21 mSDsluCounter, 9941 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 13266 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:10:23,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 13266 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 14:10:23,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136048 states. [2022-12-13 14:10:32,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136048 to 135813. [2022-12-13 14:10:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135813 states, 98934 states have (on average 1.318687205611822) internal successors, (130463), 100205 states have internal predecessors, (130463), 27691 states have call successors, (27691), 6673 states have call predecessors, (27691), 9187 states have return successors, (43475), 29275 states have call predecessors, (43475), 27629 states have call successors, (43475) [2022-12-13 14:10:32,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135813 states to 135813 states and 201629 transitions. [2022-12-13 14:10:32,910 INFO L78 Accepts]: Start accepts. Automaton has 135813 states and 201629 transitions. Word has length 476 [2022-12-13 14:10:32,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:10:32,910 INFO L495 AbstractCegarLoop]: Abstraction has 135813 states and 201629 transitions. [2022-12-13 14:10:32,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-13 14:10:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 135813 states and 201629 transitions. [2022-12-13 14:10:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-12-13 14:10:32,931 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:10:32,931 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 12, 12, 12, 12, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:32,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:10:33,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 14:10:33,133 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:10:33,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:33,134 INFO L85 PathProgramCache]: Analyzing trace with hash 938670418, now seen corresponding path program 1 times [2022-12-13 14:10:33,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:33,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018211023] [2022-12-13 14:10:33,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:33,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:10:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:10:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:10:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:10:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:10:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:33,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:10:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:10:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:10:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:10:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:10:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:10:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:10:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:10:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:10:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:10:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:10:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:10:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:10:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:10:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:10:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:10:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:10:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:10:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:10:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:10:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 14:10:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 14:10:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 14:10:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-12-13 14:10:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-12-13 14:10:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-12-13 14:10:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-12-13 14:10:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-12-13 14:10:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-12-13 14:10:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-12-13 14:10:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:10:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:10:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-12-13 14:10:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-12-13 14:10:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-12-13 14:10:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2501 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2497 trivial. 0 not checked. [2022-12-13 14:10:34,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:34,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018211023] [2022-12-13 14:10:34,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018211023] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:10:34,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:10:34,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 14:10:34,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784243049] [2022-12-13 14:10:34,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:10:34,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 14:10:34,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:34,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 14:10:34,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-13 14:10:34,327 INFO L87 Difference]: Start difference. First operand 135813 states and 201629 transitions. Second operand has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-12-13 14:10:36,947 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 [] [2022-12-13 14:10:38,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:10:40,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 14:10:58,042 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 [] [2022-12-13 14:11:31,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:11:31,327 INFO L93 Difference]: Finished difference Result 295264 states and 446677 transitions. [2022-12-13 14:11:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 14:11:31,328 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 522 [2022-12-13 14:11:31,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:11:32,100 INFO L225 Difference]: With dead ends: 295264 [2022-12-13 14:11:32,100 INFO L226 Difference]: Without dead ends: 159880 [2022-12-13 14:11:32,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2022-12-13 14:11:32,634 INFO L413 NwaCegarLoop]: 2079 mSDtfsCounter, 4005 mSDsluCounter, 12518 mSDsCounter, 0 mSdLazyCounter, 15791 mSolverCounterSat, 2780 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4267 SdHoareTripleChecker+Valid, 14597 SdHoareTripleChecker+Invalid, 18575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2780 IncrementalHoareTripleChecker+Valid, 15791 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:11:32,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4267 Valid, 14597 Invalid, 18575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2780 Valid, 15791 Invalid, 4 Unknown, 0 Unchecked, 45.1s Time] [2022-12-13 14:11:32,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159880 states. [2022-12-13 14:11:41,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159880 to 135831. [2022-12-13 14:11:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135831 states, 98952 states have (on average 1.3185685989166465) internal successors, (130475), 100223 states have internal predecessors, (130475), 27691 states have call successors, (27691), 6673 states have call predecessors, (27691), 9187 states have return successors, (43475), 29275 states have call predecessors, (43475), 27629 states have call successors, (43475) [2022-12-13 14:11:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135831 states to 135831 states and 201641 transitions. [2022-12-13 14:11:42,193 INFO L78 Accepts]: Start accepts. Automaton has 135831 states and 201641 transitions. Word has length 522 [2022-12-13 14:11:42,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:11:42,194 INFO L495 AbstractCegarLoop]: Abstraction has 135831 states and 201641 transitions. [2022-12-13 14:11:42,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-12-13 14:11:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 135831 states and 201641 transitions. [2022-12-13 14:11:42,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2022-12-13 14:11:42,316 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:11:42,316 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:11:42,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 14:11:42,316 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:11:42,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:11:42,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1247757686, now seen corresponding path program 1 times [2022-12-13 14:11:42,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:11:42,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224780496] [2022-12-13 14:11:42,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:11:42,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:11:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:11:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:11:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:11:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:11:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:11:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:11:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:11:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:11:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:11:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:11:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:11:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:11:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:11:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:11:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:11:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:11:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:11:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:11:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:11:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:11:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:11:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:11:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:11:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:11:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:11:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 14:11:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 14:11:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 14:11:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-12-13 14:11:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-12-13 14:11:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-12-13 14:11:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-12-13 14:11:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-12-13 14:11:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-12-13 14:11:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-12-13 14:11:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-12-13 14:11:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-12-13 14:11:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:11:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:11:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-12-13 14:11:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-12-13 14:11:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-12-13 14:11:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2022-12-13 14:11:44,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:11:44,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224780496] [2022-12-13 14:11:44,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224780496] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:11:44,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958695343] [2022-12-13 14:11:44,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:11:44,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:11:44,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:11:44,793 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:11:44,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:11:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:11:46,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 9068 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-13 14:11:46,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:11:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 1102 proven. 0 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2022-12-13 14:11:46,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:11:46,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958695343] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:11:46,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:11:46,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2022-12-13 14:11:46,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199874479] [2022-12-13 14:11:46,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:11:46,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 14:11:46,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:11:46,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 14:11:46,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2022-12-13 14:11:46,628 INFO L87 Difference]: Start difference. First operand 135831 states and 201641 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-13 14:11:48,725 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 [] [2022-12-13 14:11:57,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:11:57,474 INFO L93 Difference]: Finished difference Result 271313 states and 402794 transitions. [2022-12-13 14:11:57,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 14:11:57,475 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 553 [2022-12-13 14:11:57,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:11:58,071 INFO L225 Difference]: With dead ends: 271313 [2022-12-13 14:11:58,071 INFO L226 Difference]: Without dead ends: 135899 [2022-12-13 14:11:58,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 734 GetRequests, 710 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2022-12-13 14:11:58,501 INFO L413 NwaCegarLoop]: 3333 mSDtfsCounter, 55 mSDsluCounter, 16609 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 19942 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 14:11:58,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 19942 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 54 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 14:11:58,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135899 states. [2022-12-13 14:12:06,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135899 to 135849. [2022-12-13 14:12:06,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135849 states, 98970 states have (on average 1.3185106597958978) internal successors, (130493), 100241 states have internal predecessors, (130493), 27691 states have call successors, (27691), 6673 states have call predecessors, (27691), 9187 states have return successors, (43475), 29275 states have call predecessors, (43475), 27629 states have call successors, (43475) [2022-12-13 14:12:07,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135849 states to 135849 states and 201659 transitions. [2022-12-13 14:12:07,476 INFO L78 Accepts]: Start accepts. Automaton has 135849 states and 201659 transitions. Word has length 553 [2022-12-13 14:12:07,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:12:07,476 INFO L495 AbstractCegarLoop]: Abstraction has 135849 states and 201659 transitions. [2022-12-13 14:12:07,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-13 14:12:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 135849 states and 201659 transitions. [2022-12-13 14:12:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2022-12-13 14:12:07,495 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:12:07,495 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:12:07,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 14:12:07,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:12:07,697 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:12:07,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:12:07,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1286755706, now seen corresponding path program 1 times [2022-12-13 14:12:07,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:12:07,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333534648] [2022-12-13 14:12:07,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:07,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:12:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:12:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 14:12:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 14:12:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 14:12:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 14:12:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 14:12:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 14:12:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 14:12:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 14:12:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 14:12:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 14:12:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 14:12:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 14:12:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 14:12:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 14:12:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 14:12:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 14:12:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 14:12:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 14:12:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 14:12:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 14:12:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 14:12:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 14:12:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 14:12:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-12-13 14:12:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 14:12:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-12-13 14:12:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-12-13 14:12:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-12-13 14:12:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-12-13 14:12:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-12-13 14:12:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-12-13 14:12:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-12-13 14:12:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-12-13 14:12:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-12-13 14:12:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-12-13 14:12:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-12-13 14:12:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 14:12:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 14:12:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-12-13 14:12:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-12-13 14:12:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-12-13 14:12:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:09,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2022-12-13 14:12:09,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:12:09,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333534648] [2022-12-13 14:12:09,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333534648] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:12:09,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623816228] [2022-12-13 14:12:09,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:09,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:12:09,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:12:09,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:12:09,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c13fc453-dade-4e64-8081-c7b9fca9695b/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 14:12:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:11,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 9105 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-13 14:12:11,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:12:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2761 trivial. 0 not checked. [2022-12-13 14:12:12,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:12:12,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623816228] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:12:12,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:12:12,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 23 [2022-12-13 14:12:12,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904826227] [2022-12-13 14:12:12,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:12:12,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 14:12:12,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:12:12,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 14:12:12,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2022-12-13 14:12:12,161 INFO L87 Difference]: Start difference. First operand 135849 states and 201659 transitions. Second operand has 11 states, 10 states have (on average 15.3) internal successors, (153), 8 states have internal predecessors, (153), 3 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (46), 5 states have call predecessors, (46), 3 states have call successors, (46)