./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R --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 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 --- 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-38b53e6 [2022-11-25 18:12:49,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:12:49,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:12:49,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:12:49,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:12:49,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:12:49,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:12:49,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:12:49,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:12:49,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:12:49,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:12:49,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:12:49,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:12:49,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:12:49,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:12:49,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:12:49,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:12:49,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:12:49,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:12:49,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:12:49,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:12:49,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:12:49,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:12:49,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:12:49,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:12:49,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:12:49,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:12:49,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:12:49,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:12:49,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:12:49,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:12:49,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:12:49,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:12:49,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:12:49,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:12:49,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:12:49,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:12:49,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:12:49,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:12:49,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:12:49,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:12:49,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:12:49,507 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:12:49,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:12:49,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:12:49,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:12:49,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:12:49,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:12:49,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:12:49,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:12:49,514 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:12:49,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:12:49,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:12:49,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:12:49,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:12:49,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:12:49,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:12:49,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:12:49,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:12:49,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:12:49,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:12:49,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:12:49,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:12:49,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:12:49,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:12:49,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:12:49,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:12:49,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:12:49,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:12:49,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:12:49,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:12:49,523 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:12:49,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:12:49,523 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_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 [2022-11-25 18:12:49,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:12:49,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:12:49,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:12:49,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:12:49,906 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:12:49,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-25 18:12:53,038 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:12:53,635 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:12:53,638 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-25 18:12:53,689 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/data/b0f12c50a/dba6b87091b94edeaf38f8105711a0f6/FLAG8c03c1df2 [2022-11-25 18:12:53,707 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/data/b0f12c50a/dba6b87091b94edeaf38f8105711a0f6 [2022-11-25 18:12:53,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:12:53,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:12:53,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:12:53,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:12:53,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:12:53,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:12:53" (1/1) ... [2022-11-25 18:12:53,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5f0e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:53, skipping insertion in model container [2022-11-25 18:12:53,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:12:53" (1/1) ... [2022-11-25 18:12:53,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:12:53,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:12:54,833 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 18:12:54,869 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:12:54,887 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,125 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:12:55,357 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 18:12:55,394 WARN L623 FunctionHandler]: Unknown extern function mmc_free_host [2022-11-25 18:12:55,401 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 18:12:55,409 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work [2022-11-25 18:12:55,415 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 18:12:55,423 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:55,429 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:55,436 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:55,460 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:55,467 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:55,473 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,475 WARN L623 FunctionHandler]: Unknown extern function mmc_detect_change [2022-11-25 18:12:55,475 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:55,477 WARN L623 FunctionHandler]: Unknown extern function mmc_detect_change [2022-11-25 18:12:55,506 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:55,512 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:55,514 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,518 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:55,519 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,522 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:55,523 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,534 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 18:12:55,545 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 18:12:55,546 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:55,547 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:55,552 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:55,556 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:55,556 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,558 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,561 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,562 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,567 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:55,583 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,599 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:55,600 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 18:12:55,600 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:55,605 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:55,607 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:55,629 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:55,632 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:55,647 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:55,668 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:55,674 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 18:12:55,674 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:55,675 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:55,685 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:55,687 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:55,688 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:55,689 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,693 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:55,694 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:55,695 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,695 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:55,696 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,697 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:55,698 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,702 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:55,703 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:55,704 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,704 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:55,705 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,706 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:55,707 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,720 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:55,721 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:55,721 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,751 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:55,752 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 18:12:55,752 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,753 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 18:12:55,754 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,754 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 18:12:55,755 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 18:12:55,759 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:55,773 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 18:12:55,779 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 18:12:55,781 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:55,791 WARN L623 FunctionHandler]: Unknown extern function usb_sg_init [2022-11-25 18:12:55,797 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:55,798 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:55,799 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 18:12:55,800 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:12:55,800 WARN L623 FunctionHandler]: Unknown extern function usb_sg_wait [2022-11-25 18:12:55,803 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:55,804 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:55,804 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-11-25 18:12:55,805 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:55,823 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 18:12:55,828 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 18:12:55,829 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:55,831 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 18:12:55,832 WARN L623 FunctionHandler]: Unknown extern function usb_sg_init [2022-11-25 18:12:55,833 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:55,833 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:55,834 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 18:12:55,836 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:12:55,836 WARN L623 FunctionHandler]: Unknown extern function usb_sg_wait [2022-11-25 18:12:55,844 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 18:12:55,845 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 18:12:55,845 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:55,846 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:55,846 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-11-25 18:12:55,847 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-11-25 18:12:55,848 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:55,849 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:55,856 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 18:12:55,860 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:55,862 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,866 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:55,867 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,891 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:55,896 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:55,898 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,899 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:55,900 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,900 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:55,942 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:55,943 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:55,943 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:55,945 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:55,952 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:55,952 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:55,953 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,954 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:55,955 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:55,962 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:55,964 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:55,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:12:55,988 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:55,989 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:55,990 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:12:55,990 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:55,991 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:12:55,992 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:55,993 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,002 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,003 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,008 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,015 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 18:12:56,015 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 18:12:56,016 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 18:12:56,016 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,017 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,018 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,019 WARN L623 FunctionHandler]: Unknown extern function mmc_alloc_host [2022-11-25 18:12:56,019 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,026 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,031 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 18:12:56,032 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 18:12:56,042 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,044 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 18:12:56,045 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 18:12:56,046 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 18:12:56,049 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,051 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,053 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,054 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,055 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,066 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,067 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:12:56,069 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:12:56,069 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:12:56,070 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:12:56,070 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:12:56,071 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:12:56,072 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:12:56,072 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,073 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,074 WARN L623 FunctionHandler]: Unknown extern function mmc_add_host [2022-11-25 18:12:56,074 WARN L623 FunctionHandler]: Unknown extern function mmc_free_host [2022-11-25 18:12:56,081 WARN L623 FunctionHandler]: Unknown extern function mmc_remove_host [2022-11-25 18:12:56,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,090 WARN L623 FunctionHandler]: Unknown extern function mmc_suspend_host [2022-11-25 18:12:56,094 WARN L623 FunctionHandler]: Unknown extern function mmc_resume_host [2022-11-25 18:12:56,099 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,102 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,108 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 18:12:56,109 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,110 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 18:12:56,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,111 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 18:12:56,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,173 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:12:56,176 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_7 [2022-11-25 18:12:56,180 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 18:12:56,181 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 18:12:56,181 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-11-25 18:12:56,185 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,186 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,187 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,187 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,188 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,191 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 18:12:56,192 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 18:12:56,192 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,194 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 18:12:56,196 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,197 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,197 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,198 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 18:12:56,199 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 18:12:56,199 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 18:12:56,200 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 18:12:56,200 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,200 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,201 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,205 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_25afef38-2de4-4efd-a8ee-4e40c8f151a9/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2022-11-25 18:12:56,214 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:12:56,227 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:12:56,245 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:12:56,254 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:12:56,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:12:56,286 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:12:56,403 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 18:12:56,405 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:12:56,408 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,413 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:12:56,427 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 18:12:56,431 WARN L623 FunctionHandler]: Unknown extern function mmc_free_host [2022-11-25 18:12:56,432 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 18:12:56,435 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work [2022-11-25 18:12:56,438 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 18:12:56,448 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:56,449 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:56,452 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:56,454 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:56,455 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,456 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,457 WARN L623 FunctionHandler]: Unknown extern function mmc_detect_change [2022-11-25 18:12:56,457 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,457 WARN L623 FunctionHandler]: Unknown extern function mmc_detect_change [2022-11-25 18:12:56,462 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,464 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,465 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,467 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,468 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,471 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 18:12:56,471 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 18:12:56,472 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:56,472 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:56,473 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,475 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,476 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,476 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,477 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,477 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,478 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,483 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,487 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:56,488 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 18:12:56,488 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:56,489 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:56,494 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:56,509 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,510 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:56,515 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:56,533 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:56,534 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 18:12:56,534 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:56,535 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:56,536 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,537 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,537 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,538 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,540 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,540 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:56,541 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,541 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,542 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,542 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,542 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,545 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,549 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:56,550 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,550 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,551 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,551 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,552 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,554 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,554 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,555 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,567 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,567 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 18:12:56,568 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,568 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 18:12:56,568 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,569 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 18:12:56,569 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 18:12:56,570 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 18:12:56,571 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 18:12:56,572 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 18:12:56,572 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:56,573 WARN L623 FunctionHandler]: Unknown extern function usb_sg_init [2022-11-25 18:12:56,574 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:56,574 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:56,575 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 18:12:56,575 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:12:56,575 WARN L623 FunctionHandler]: Unknown extern function usb_sg_wait [2022-11-25 18:12:56,577 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:56,578 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:56,578 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-11-25 18:12:56,578 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:56,581 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 18:12:56,583 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 18:12:56,584 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:56,584 WARN L623 FunctionHandler]: Unknown extern function sg_copy_to_buffer [2022-11-25 18:12:56,585 WARN L623 FunctionHandler]: Unknown extern function usb_sg_init [2022-11-25 18:12:56,585 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:56,585 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 18:12:56,586 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 18:12:56,586 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:12:56,586 WARN L623 FunctionHandler]: Unknown extern function usb_sg_wait [2022-11-25 18:12:56,588 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-25 18:12:56,588 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 18:12:56,588 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:56,589 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:56,589 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-11-25 18:12:56,589 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-11-25 18:12:56,590 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:56,590 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 18:12:56,591 WARN L623 FunctionHandler]: Unknown extern function usb_sg_cancel [2022-11-25 18:12:56,593 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,594 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,597 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,598 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,611 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,612 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:12:56,613 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,613 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:56,614 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,614 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:56,623 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:56,623 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:56,624 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:56,624 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:56,624 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:56,625 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,625 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,625 WARN L623 FunctionHandler]: Unknown extern function mmc_request_done [2022-11-25 18:12:56,626 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,628 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,628 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,632 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 18:12:56,633 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,634 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,634 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:12:56,635 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,635 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:12:56,636 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:12:56,636 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,637 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,638 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,638 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,640 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 18:12:56,640 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 18:12:56,640 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-11-25 18:12:56,641 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,642 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,643 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,643 WARN L623 FunctionHandler]: Unknown extern function mmc_alloc_host [2022-11-25 18:12:56,644 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,646 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,648 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 18:12:56,649 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 18:12:56,652 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,654 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 18:12:56,655 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 18:12:56,656 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 18:12:56,657 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,658 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:12:56,658 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,659 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,659 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,666 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:12:56,667 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:12:56,668 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:12:56,668 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:12:56,668 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:12:56,669 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:12:56,669 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:12:56,670 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:12:56,671 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,671 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:12:56,671 WARN L623 FunctionHandler]: Unknown extern function mmc_add_host [2022-11-25 18:12:56,672 WARN L623 FunctionHandler]: Unknown extern function mmc_free_host [2022-11-25 18:12:56,675 WARN L623 FunctionHandler]: Unknown extern function mmc_remove_host [2022-11-25 18:12:56,675 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,676 WARN L623 FunctionHandler]: Unknown extern function mmc_suspend_host [2022-11-25 18:12:56,678 WARN L623 FunctionHandler]: Unknown extern function mmc_resume_host [2022-11-25 18:12:56,678 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 18:12:56,679 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 18:12:56,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,681 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 18:12:56,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,682 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 18:12:56,682 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,682 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 18:12:56,683 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:12:56,699 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:12:56,701 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_7 [2022-11-25 18:12:56,706 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 18:12:56,707 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 18:12:56,707 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-11-25 18:12:56,709 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,709 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,710 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,710 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,711 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,712 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 18:12:56,712 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 18:12:56,713 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:12:56,715 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 18:12:56,716 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,716 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,716 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,717 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 18:12:56,717 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 18:12:56,717 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 18:12:56,717 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 18:12:56,718 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,718 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,718 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 18:12:56,719 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_25afef38-2de4-4efd-a8ee-4e40c8f151a9/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2022-11-25 18:12:56,720 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:12:56,728 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:12:56,731 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:12:56,734 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:12:56,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:12:56,905 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:12:56,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56 WrapperNode [2022-11-25 18:12:56,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:12:56,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:12:56,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:12:56,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:12:56,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (1/1) ... [2022-11-25 18:12:57,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (1/1) ... [2022-11-25 18:12:57,217 INFO L138 Inliner]: procedures = 257, calls = 1811, calls flagged for inlining = 103, calls inlined = 99, statements flattened = 4598 [2022-11-25 18:12:57,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:12:57,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:12:57,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:12:57,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:12:57,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (1/1) ... [2022-11-25 18:12:57,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (1/1) ... [2022-11-25 18:12:57,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (1/1) ... [2022-11-25 18:12:57,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (1/1) ... [2022-11-25 18:12:57,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (1/1) ... [2022-11-25 18:12:57,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (1/1) ... [2022-11-25 18:12:57,563 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (1/1) ... [2022-11-25 18:12:57,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (1/1) ... [2022-11-25 18:12:57,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:12:57,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:12:57,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:12:57,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:12:57,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (1/1) ... [2022-11-25 18:12:57,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:12:57,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:12:57,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:12:57,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:12:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-25 18:12:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-25 18:12:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 18:12:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 18:12:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 18:12:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 18:12:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 18:12:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 18:12:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2022-11-25 18:12:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2022-11-25 18:12:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_11 [2022-11-25 18:12:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_11 [2022-11-25 18:12:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2022-11-25 18:12:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2022-11-25 18:12:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2022-11-25 18:12:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2022-11-25 18:12:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-25 18:12:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-25 18:12:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-25 18:12:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-25 18:12:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 18:12:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 18:12:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-25 18:12:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-25 18:12:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-25 18:12:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-25 18:12:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2022-11-25 18:12:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2022-11-25 18:12:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 18:12:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 18:12:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 18:12:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 18:12:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 18:12:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 18:12:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_49 [2022-11-25 18:12:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_49 [2022-11-25 18:12:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 18:12:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 18:12:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2022-11-25 18:12:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2022-11-25 18:12:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-25 18:12:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-25 18:12:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2022-11-25 18:12:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2022-11-25 18:12:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-25 18:12:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-25 18:12:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2022-11-25 18:12:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2022-11-25 18:12:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2022-11-25 18:12:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2022-11-25 18:12:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2022-11-25 18:12:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2022-11-25 18:12:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:12:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2022-11-25 18:12:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2022-11-25 18:12:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 18:12:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 18:12:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-11-25 18:12:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-11-25 18:12:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:12:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-11-25 18:12:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-11-25 18:12:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-25 18:12:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-25 18:12:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2022-11-25 18:12:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2022-11-25 18:12:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2022-11-25 18:12:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2022-11-25 18:12:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2022-11-25 18:12:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2022-11-25 18:12:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-11-25 18:12:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-11-25 18:12:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:12:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:12:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-25 18:12:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-25 18:12:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 18:12:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 18:12:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2022-11-25 18:12:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2022-11-25 18:12:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 18:12:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 18:12:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 18:12:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 18:12:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2022-11-25 18:12:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2022-11-25 18:12:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-25 18:12:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-25 18:12:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2022-11-25 18:12:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2022-11-25 18:12:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2022-11-25 18:12:57,712 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2022-11-25 18:12:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-25 18:12:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-25 18:12:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 18:12:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2022-11-25 18:12:57,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2022-11-25 18:12:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 18:12:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2022-11-25 18:12:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2022-11-25 18:12:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-25 18:12:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-25 18:12:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:12:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2022-11-25 18:12:57,714 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2022-11-25 18:12:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-25 18:12:57,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-25 18:12:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 18:12:57,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 18:12:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-25 18:12:57,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-25 18:12:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2022-11-25 18:12:57,716 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2022-11-25 18:12:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-25 18:12:57,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-25 18:12:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 18:12:57,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 18:12:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-25 18:12:57,717 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-25 18:12:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:12:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2022-11-25 18:12:57,717 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2022-11-25 18:12:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2022-11-25 18:12:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2022-11-25 18:12:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2022-11-25 18:12:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2022-11-25 18:12:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 18:12:57,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 18:12:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2022-11-25 18:12:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2022-11-25 18:12:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 18:12:57,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 18:12:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:12:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2022-11-25 18:12:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2022-11-25 18:12:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2022-11-25 18:12:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2022-11-25 18:12:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 18:12:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 18:12:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-25 18:12:57,720 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-25 18:12:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2022-11-25 18:12:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2022-11-25 18:12:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:12:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2022-11-25 18:12:57,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2022-11-25 18:12:57,721 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2022-11-25 18:12:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2022-11-25 18:12:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_8 [2022-11-25 18:12:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_8 [2022-11-25 18:12:57,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 18:12:57,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 18:12:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:12:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2022-11-25 18:12:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2022-11-25 18:12:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:12:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:12:57,723 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2022-11-25 18:12:57,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2022-11-25 18:12:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2022-11-25 18:12:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2022-11-25 18:12:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-25 18:12:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-25 18:12:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-25 18:12:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-25 18:12:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2022-11-25 18:12:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2022-11-25 18:12:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-11-25 18:12:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-11-25 18:12:57,725 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2022-11-25 18:12:57,725 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2022-11-25 18:12:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2022-11-25 18:12:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2022-11-25 18:12:57,726 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-25 18:12:57,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-25 18:12:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-25 18:12:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-25 18:12:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2022-11-25 18:12:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2022-11-25 18:12:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-25 18:12:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-25 18:12:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-25 18:12:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-25 18:12:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_46 [2022-11-25 18:12:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_46 [2022-11-25 18:12:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-25 18:12:57,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-25 18:12:57,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:12:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-11-25 18:12:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-11-25 18:12:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2022-11-25 18:12:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2022-11-25 18:12:57,729 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-25 18:12:57,729 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-25 18:12:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2022-11-25 18:12:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2022-11-25 18:12:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2022-11-25 18:12:57,730 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2022-11-25 18:12:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-25 18:12:57,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:12:57,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:12:58,466 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:12:58,470 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:13:00,456 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 18:13:05,665 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:13:05,696 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:13:05,697 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 18:13:05,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:13:05 BoogieIcfgContainer [2022-11-25 18:13:05,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:13:05,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:13:05,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:13:05,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:13:05,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:12:53" (1/3) ... [2022-11-25 18:13:05,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ada51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:13:05, skipping insertion in model container [2022-11-25 18:13:05,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:56" (2/3) ... [2022-11-25 18:13:05,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ada51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:13:05, skipping insertion in model container [2022-11-25 18:13:05,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:13:05" (3/3) ... [2022-11-25 18:13:05,719 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-25 18:13:05,741 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:13:05,741 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:13:05,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:13:05,867 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;@5906a929, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:13:05,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:13:05,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 1605 states, 1135 states have (on average 1.4105726872246696) internal successors, (1601), 1200 states have internal predecessors, (1601), 377 states have call successors, (377), 92 states have call predecessors, (377), 91 states have return successors, (368), 342 states have call predecessors, (368), 368 states have call successors, (368) [2022-11-25 18:13:05,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 18:13:05,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:13:05,904 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-25 18:13:05,905 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:13:05,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:13:05,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1466021514, now seen corresponding path program 1 times [2022-11-25 18:13:05,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:13:05,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053975471] [2022-11-25 18:13:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:13:05,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:13:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:13:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:13:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:13:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:13:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:13:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:13:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 18:13:06,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:13:06,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053975471] [2022-11-25 18:13:06,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053975471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:13:06,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:13:06,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:13:06,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202817457] [2022-11-25 18:13:06,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:13:06,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:13:06,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:13:06,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:13:06,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:13:06,938 INFO L87 Difference]: Start difference. First operand has 1605 states, 1135 states have (on average 1.4105726872246696) internal successors, (1601), 1200 states have internal predecessors, (1601), 377 states have call successors, (377), 92 states have call predecessors, (377), 91 states have return successors, (368), 342 states have call predecessors, (368), 368 states have call successors, (368) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:13:14,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:13:14,981 INFO L93 Difference]: Finished difference Result 3363 states and 5023 transitions. [2022-11-25 18:13:14,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:13:14,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2022-11-25 18:13:14,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:13:15,089 INFO L225 Difference]: With dead ends: 3363 [2022-11-25 18:13:15,097 INFO L226 Difference]: Without dead ends: 1747 [2022-11-25 18:13:15,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:13:15,115 INFO L413 NwaCegarLoop]: 1800 mSDtfsCounter, 1783 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 1459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 2670 SdHoareTripleChecker+Invalid, 2771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1459 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:13:15,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1813 Valid, 2670 Invalid, 2771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1459 Valid, 1312 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-11-25 18:13:15,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2022-11-25 18:13:15,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1589. [2022-11-25 18:13:15,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1130 states have (on average 1.3973451327433628) internal successors, (1579), 1184 states have internal predecessors, (1579), 368 states have call successors, (368), 91 states have call predecessors, (368), 90 states have return successors, (363), 337 states have call predecessors, (363), 363 states have call successors, (363) [2022-11-25 18:13:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2310 transitions. [2022-11-25 18:13:15,321 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2310 transitions. Word has length 114 [2022-11-25 18:13:15,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:13:15,323 INFO L495 AbstractCegarLoop]: Abstraction has 1589 states and 2310 transitions. [2022-11-25 18:13:15,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:13:15,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2310 transitions. [2022-11-25 18:13:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 18:13:15,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:13:15,330 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-25 18:13:15,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:13:15,331 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:13:15,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:13:15,331 INFO L85 PathProgramCache]: Analyzing trace with hash -734213998, now seen corresponding path program 1 times [2022-11-25 18:13:15,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:13:15,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107886482] [2022-11-25 18:13:15,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:13:15,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:13:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:15,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:13:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:15,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:15,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:15,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:13:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:15,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:15,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:15,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:13:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:16,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:13:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:16,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:16,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:13:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:16,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:13:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:16,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 18:13:16,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:13:16,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107886482] [2022-11-25 18:13:16,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107886482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:13:16,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:13:16,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:13:16,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645967440] [2022-11-25 18:13:16,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:13:16,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:13:16,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:13:16,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:13:16,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:13:16,220 INFO L87 Difference]: Start difference. First operand 1589 states and 2310 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:13:24,860 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 [] [2022-11-25 18:13:30,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:13:30,568 INFO L93 Difference]: Finished difference Result 5033 states and 7785 transitions. [2022-11-25 18:13:30,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:13:30,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2022-11-25 18:13:30,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:13:30,598 INFO L225 Difference]: With dead ends: 5033 [2022-11-25 18:13:30,598 INFO L226 Difference]: Without dead ends: 3467 [2022-11-25 18:13:30,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:13:30,611 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 5611 mSDsluCounter, 2584 mSDsCounter, 0 mSdLazyCounter, 2701 mSolverCounterSat, 3035 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5815 SdHoareTripleChecker+Valid, 4872 SdHoareTripleChecker+Invalid, 5736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3035 IncrementalHoareTripleChecker+Valid, 2701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:13:30,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5815 Valid, 4872 Invalid, 5736 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3035 Valid, 2701 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2022-11-25 18:13:30,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2022-11-25 18:13:30,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3237. [2022-11-25 18:13:30,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3237 states, 2297 states have (on average 1.3909447104919461) internal successors, (3195), 2412 states have internal predecessors, (3195), 735 states have call successors, (735), 180 states have call predecessors, (735), 204 states have return successors, (939), 697 states have call predecessors, (939), 730 states have call successors, (939) [2022-11-25 18:13:30,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 4869 transitions. [2022-11-25 18:13:30,837 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 4869 transitions. Word has length 114 [2022-11-25 18:13:30,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:13:30,840 INFO L495 AbstractCegarLoop]: Abstraction has 3237 states and 4869 transitions. [2022-11-25 18:13:30,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:13:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 4869 transitions. [2022-11-25 18:13:30,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 18:13:30,849 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:13:30,849 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-25 18:13:30,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:13:30,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:13:30,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:13:30,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1286334798, now seen corresponding path program 1 times [2022-11-25 18:13:30,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:13:30,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665922036] [2022-11-25 18:13:30,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:13:30,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:13:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:13:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:13:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:13:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:13:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:13:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:13:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 18:13:31,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:13:31,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665922036] [2022-11-25 18:13:31,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665922036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:13:31,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:13:31,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:13:31,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877230164] [2022-11-25 18:13:31,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:13:31,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:13:31,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:13:31,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:13:31,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:13:31,492 INFO L87 Difference]: Start difference. First operand 3237 states and 4869 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:13:43,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:13:43,764 INFO L93 Difference]: Finished difference Result 10097 states and 16236 transitions. [2022-11-25 18:13:43,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:13:43,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 115 [2022-11-25 18:13:43,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:13:43,827 INFO L225 Difference]: With dead ends: 10097 [2022-11-25 18:13:43,827 INFO L226 Difference]: Without dead ends: 6883 [2022-11-25 18:13:43,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:13:43,858 INFO L413 NwaCegarLoop]: 2313 mSDtfsCounter, 5557 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 2731 mSolverCounterSat, 2992 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5769 SdHoareTripleChecker+Valid, 4865 SdHoareTripleChecker+Invalid, 5723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2992 IncrementalHoareTripleChecker+Valid, 2731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:13:43,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5769 Valid, 4865 Invalid, 5723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2992 Valid, 2731 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-11-25 18:13:43,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6883 states. [2022-11-25 18:13:44,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6883 to 6466. [2022-11-25 18:13:44,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6466 states, 4588 states have (on average 1.3897122929380994) internal successors, (6376), 4821 states have internal predecessors, (6376), 1463 states have call successors, (1463), 358 states have call predecessors, (1463), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2022-11-25 18:13:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6466 states to 6466 states and 10080 transitions. [2022-11-25 18:13:44,240 INFO L78 Accepts]: Start accepts. Automaton has 6466 states and 10080 transitions. Word has length 115 [2022-11-25 18:13:44,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:13:44,241 INFO L495 AbstractCegarLoop]: Abstraction has 6466 states and 10080 transitions. [2022-11-25 18:13:44,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:13:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 6466 states and 10080 transitions. [2022-11-25 18:13:44,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 18:13:44,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:13:44,245 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-25 18:13:44,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:13:44,245 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:13:44,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:13:44,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1222205547, now seen corresponding path program 1 times [2022-11-25 18:13:44,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:13:44,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060258422] [2022-11-25 18:13:44,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:13:44,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:13:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:13:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:13:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:13:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:13:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:13:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:13:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:13:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:13:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:13:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 18:13:44,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:13:44,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060258422] [2022-11-25 18:13:44,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060258422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:13:44,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:13:44,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:13:44,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167835469] [2022-11-25 18:13:44,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:13:44,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:13:44,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:13:44,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:13:44,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:13:44,695 INFO L87 Difference]: Start difference. First operand 6466 states and 10080 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:14:01,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:14:01,366 INFO L93 Difference]: Finished difference Result 6881 states and 10849 transitions. [2022-11-25 18:14:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:14:01,367 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 116 [2022-11-25 18:14:01,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:14:01,419 INFO L225 Difference]: With dead ends: 6881 [2022-11-25 18:14:01,419 INFO L226 Difference]: Without dead ends: 6878 [2022-11-25 18:14:01,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:14:01,426 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 4536 mSDsluCounter, 3408 mSDsCounter, 0 mSdLazyCounter, 3775 mSolverCounterSat, 2118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4748 SdHoareTripleChecker+Valid, 5729 SdHoareTripleChecker+Invalid, 5893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2118 IncrementalHoareTripleChecker+Valid, 3775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:14:01,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4748 Valid, 5729 Invalid, 5893 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2118 Valid, 3775 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2022-11-25 18:14:01,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6878 states. [2022-11-25 18:14:01,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6878 to 6467. [2022-11-25 18:14:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6467 states, 4589 states have (on average 1.3896273697973414) internal successors, (6377), 4822 states have internal predecessors, (6377), 1463 states have call successors, (1463), 358 states have call predecessors, (1463), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2022-11-25 18:14:01,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6467 states to 6467 states and 10081 transitions. [2022-11-25 18:14:01,851 INFO L78 Accepts]: Start accepts. Automaton has 6467 states and 10081 transitions. Word has length 116 [2022-11-25 18:14:01,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:14:01,851 INFO L495 AbstractCegarLoop]: Abstraction has 6467 states and 10081 transitions. [2022-11-25 18:14:01,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:14:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 6467 states and 10081 transitions. [2022-11-25 18:14:01,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-25 18:14:01,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:14:01,856 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-25 18:14:01,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:14:01,856 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:14:01,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:14:01,857 INFO L85 PathProgramCache]: Analyzing trace with hash 765806101, now seen corresponding path program 1 times [2022-11-25 18:14:01,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:14:01,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118081078] [2022-11-25 18:14:01,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:14:01,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:14:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:14:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:14:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:14:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:14:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:14:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:14:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 18:14:02,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:14:02,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118081078] [2022-11-25 18:14:02,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118081078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:14:02,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:14:02,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:14:02,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139437785] [2022-11-25 18:14:02,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:14:02,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:14:02,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:14:02,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:14:02,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:14:02,210 INFO L87 Difference]: Start difference. First operand 6467 states and 10081 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:14:17,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:14:17,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:14:17,964 INFO L93 Difference]: Finished difference Result 6877 states and 10845 transitions. [2022-11-25 18:14:17,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:14:17,965 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), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 117 [2022-11-25 18:14:17,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:14:18,033 INFO L225 Difference]: With dead ends: 6877 [2022-11-25 18:14:18,034 INFO L226 Difference]: Without dead ends: 6874 [2022-11-25 18:14:18,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:14:18,043 INFO L413 NwaCegarLoop]: 1741 mSDtfsCounter, 3187 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 1183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3393 SdHoareTripleChecker+Valid, 4031 SdHoareTripleChecker+Invalid, 3876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1183 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:14:18,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3393 Valid, 4031 Invalid, 3876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1183 Valid, 2693 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2022-11-25 18:14:18,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6874 states. [2022-11-25 18:14:18,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6874 to 6466. [2022-11-25 18:14:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6466 states, 4589 states have (on average 1.389409457398126) internal successors, (6376), 4821 states have internal predecessors, (6376), 1462 states have call successors, (1462), 358 states have call predecessors, (1462), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2022-11-25 18:14:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6466 states to 6466 states and 10079 transitions. [2022-11-25 18:14:18,541 INFO L78 Accepts]: Start accepts. Automaton has 6466 states and 10079 transitions. Word has length 117 [2022-11-25 18:14:18,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:14:18,543 INFO L495 AbstractCegarLoop]: Abstraction has 6466 states and 10079 transitions. [2022-11-25 18:14:18,543 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), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:14:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 6466 states and 10079 transitions. [2022-11-25 18:14:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-25 18:14:18,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:14:18,549 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-25 18:14:18,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:14:18,551 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:14:18,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:14:18,551 INFO L85 PathProgramCache]: Analyzing trace with hash -2030337384, now seen corresponding path program 1 times [2022-11-25 18:14:18,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:14:18,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713483121] [2022-11-25 18:14:18,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:14:18,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:14:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:14:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:14:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:14:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:14:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:14:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:14:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 18:14:18,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:14:18,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713483121] [2022-11-25 18:14:18,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713483121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:14:18,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:14:18,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:14:18,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620768466] [2022-11-25 18:14:18,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:14:18,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:14:18,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:14:18,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:14:18,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:14:18,924 INFO L87 Difference]: Start difference. First operand 6466 states and 10079 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:14:28,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:14:31,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:14:32,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:14:32,231 INFO L93 Difference]: Finished difference Result 6876 states and 10843 transitions. [2022-11-25 18:14:32,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:14:32,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 118 [2022-11-25 18:14:32,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:14:32,294 INFO L225 Difference]: With dead ends: 6876 [2022-11-25 18:14:32,294 INFO L226 Difference]: Without dead ends: 6843 [2022-11-25 18:14:32,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:14:32,309 INFO L413 NwaCegarLoop]: 1735 mSDtfsCounter, 3189 mSDsluCounter, 1599 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 1181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 3334 SdHoareTripleChecker+Invalid, 3177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1181 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:14:32,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 3334 Invalid, 3177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1181 Valid, 1996 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2022-11-25 18:14:32,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6843 states. [2022-11-25 18:14:32,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6843 to 6435. [2022-11-25 18:14:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6435 states, 4572 states have (on average 1.3899825021872265) internal successors, (6355), 4803 states have internal predecessors, (6355), 1449 states have call successors, (1449), 357 states have call predecessors, (1449), 413 states have return successors, (2205), 1383 states have call predecessors, (2205), 1446 states have call successors, (2205) [2022-11-25 18:14:32,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6435 states to 6435 states and 10009 transitions. [2022-11-25 18:14:32,878 INFO L78 Accepts]: Start accepts. Automaton has 6435 states and 10009 transitions. Word has length 118 [2022-11-25 18:14:32,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:14:32,879 INFO L495 AbstractCegarLoop]: Abstraction has 6435 states and 10009 transitions. [2022-11-25 18:14:32,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 18:14:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 6435 states and 10009 transitions. [2022-11-25 18:14:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-25 18:14:32,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:14:32,897 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:14:32,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:14:32,897 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:14:32,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:14:32,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1970549539, now seen corresponding path program 1 times [2022-11-25 18:14:32,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:14:32,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118630629] [2022-11-25 18:14:32,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:14:32,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:14:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:14:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:14:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:14:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:14:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:14:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:14:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-25 18:14:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-25 18:14:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-25 18:14:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:14:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-25 18:14:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-25 18:14:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:14:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:33,383 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-25 18:14:33,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:14:33,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118630629] [2022-11-25 18:14:33,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118630629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:14:33,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:14:33,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:14:33,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619306127] [2022-11-25 18:14:33,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:14:33,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:14:33,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:14:33,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:14:33,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:14:33,386 INFO L87 Difference]: Start difference. First operand 6435 states and 10009 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 18:14:48,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:14:48,942 INFO L93 Difference]: Finished difference Result 20131 states and 31721 transitions. [2022-11-25 18:14:48,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:14:48,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 180 [2022-11-25 18:14:48,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:14:49,036 INFO L225 Difference]: With dead ends: 20131 [2022-11-25 18:14:49,036 INFO L226 Difference]: Without dead ends: 13719 [2022-11-25 18:14:49,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:14:49,088 INFO L413 NwaCegarLoop]: 1820 mSDtfsCounter, 8136 mSDsluCounter, 3018 mSDsCounter, 0 mSdLazyCounter, 4116 mSolverCounterSat, 5469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8451 SdHoareTripleChecker+Valid, 4838 SdHoareTripleChecker+Invalid, 9585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5469 IncrementalHoareTripleChecker+Valid, 4116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:14:49,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8451 Valid, 4838 Invalid, 9585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5469 Valid, 4116 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2022-11-25 18:14:49,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13719 states. [2022-11-25 18:14:50,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13719 to 12664. [2022-11-25 18:14:50,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12664 states, 8933 states have (on average 1.383073995298332) internal successors, (12355), 9419 states have internal predecessors, (12355), 2778 states have call successors, (2778), 677 states have call predecessors, (2778), 952 states have return successors, (4680), 2835 states have call predecessors, (4680), 2775 states have call successors, (4680) [2022-11-25 18:14:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12664 states to 12664 states and 19813 transitions. [2022-11-25 18:14:50,236 INFO L78 Accepts]: Start accepts. Automaton has 12664 states and 19813 transitions. Word has length 180 [2022-11-25 18:14:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:14:50,236 INFO L495 AbstractCegarLoop]: Abstraction has 12664 states and 19813 transitions. [2022-11-25 18:14:50,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 18:14:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 12664 states and 19813 transitions. [2022-11-25 18:14:50,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-25 18:14:50,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:14:50,270 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:14:50,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:14:50,270 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:14:50,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:14:50,271 INFO L85 PathProgramCache]: Analyzing trace with hash -400947471, now seen corresponding path program 1 times [2022-11-25 18:14:50,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:14:50,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411684228] [2022-11-25 18:14:50,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:14:50,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:14:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:14:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:14:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:14:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:14:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:14:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:14:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 18:14:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:14:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:14:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-25 18:14:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-25 18:14:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-25 18:14:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 18:14:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 18:14:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:14:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:14:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:14:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-25 18:14:50,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:14:50,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411684228] [2022-11-25 18:14:50,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411684228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:14:50,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:14:50,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:14:50,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884581411] [2022-11-25 18:14:50,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:14:50,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:14:50,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:14:50,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:14:50,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:14:50,903 INFO L87 Difference]: Start difference. First operand 12664 states and 19813 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:15:04,666 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 [] [2022-11-25 18:15:13,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:15:13,620 INFO L93 Difference]: Finished difference Result 28985 states and 46303 transitions. [2022-11-25 18:15:13,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 18:15:13,621 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 219 [2022-11-25 18:15:13,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:15:13,722 INFO L225 Difference]: With dead ends: 28985 [2022-11-25 18:15:13,723 INFO L226 Difference]: Without dead ends: 16344 [2022-11-25 18:15:13,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2022-11-25 18:15:13,780 INFO L413 NwaCegarLoop]: 1945 mSDtfsCounter, 4734 mSDsluCounter, 6446 mSDsCounter, 0 mSdLazyCounter, 6127 mSolverCounterSat, 2746 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5016 SdHoareTripleChecker+Valid, 8391 SdHoareTripleChecker+Invalid, 8873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2746 IncrementalHoareTripleChecker+Valid, 6127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:15:13,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5016 Valid, 8391 Invalid, 8873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2746 Valid, 6127 Invalid, 0 Unknown, 0 Unchecked, 21.1s Time] [2022-11-25 18:15:13,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16344 states. [2022-11-25 18:15:14,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16344 to 12678. [2022-11-25 18:15:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12678 states, 8947 states have (on average 1.3824745724823964) internal successors, (12369), 9433 states have internal predecessors, (12369), 2778 states have call successors, (2778), 677 states have call predecessors, (2778), 952 states have return successors, (4680), 2835 states have call predecessors, (4680), 2775 states have call successors, (4680) [2022-11-25 18:15:14,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12678 states to 12678 states and 19827 transitions. [2022-11-25 18:15:14,880 INFO L78 Accepts]: Start accepts. Automaton has 12678 states and 19827 transitions. Word has length 219 [2022-11-25 18:15:14,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:15:14,881 INFO L495 AbstractCegarLoop]: Abstraction has 12678 states and 19827 transitions. [2022-11-25 18:15:14,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:15:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 12678 states and 19827 transitions. [2022-11-25 18:15:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-25 18:15:14,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:15:14,914 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:15:14,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:15:14,914 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:15:14,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:15:14,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1437217063, now seen corresponding path program 1 times [2022-11-25 18:15:14,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:15:14,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585111124] [2022-11-25 18:15:14,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:15:14,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:15:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:15:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:15:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:15:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:15:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:15:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:15:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:15:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:15:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:15:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:15:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 18:15:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:15:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:15:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:15:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:15:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-25 18:15:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 18:15:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-25 18:15:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 18:15:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 18:15:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:15:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:15,552 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2022-11-25 18:15:15,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:15:15,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585111124] [2022-11-25 18:15:15,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585111124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:15:15,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:15:15,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:15:15,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72388842] [2022-11-25 18:15:15,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:15:15,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:15:15,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:15:15,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:15:15,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:15:15,556 INFO L87 Difference]: Start difference. First operand 12678 states and 19827 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 18:15:27,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:15:36,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:15:36,185 INFO L93 Difference]: Finished difference Result 39546 states and 62334 transitions. [2022-11-25 18:15:36,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:15:36,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 236 [2022-11-25 18:15:36,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:15:36,451 INFO L225 Difference]: With dead ends: 39546 [2022-11-25 18:15:36,451 INFO L226 Difference]: Without dead ends: 26852 [2022-11-25 18:15:36,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:15:36,499 INFO L413 NwaCegarLoop]: 2757 mSDtfsCounter, 5952 mSDsluCounter, 3894 mSDsCounter, 0 mSdLazyCounter, 4905 mSolverCounterSat, 4475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6300 SdHoareTripleChecker+Valid, 6651 SdHoareTripleChecker+Invalid, 9380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4475 IncrementalHoareTripleChecker+Valid, 4905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:15:36,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6300 Valid, 6651 Invalid, 9380 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4475 Valid, 4905 Invalid, 0 Unknown, 0 Unchecked, 18.4s Time] [2022-11-25 18:15:36,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26852 states. [2022-11-25 18:15:38,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26852 to 24805. [2022-11-25 18:15:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24805 states, 17543 states have (on average 1.3834007866385454) internal successors, (24269), 18481 states have internal predecessors, (24269), 5394 states have call successors, (5394), 1328 states have call predecessors, (5394), 1867 states have return successors, (9045), 5493 states have call predecessors, (9045), 5391 states have call successors, (9045) [2022-11-25 18:15:38,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24805 states to 24805 states and 38708 transitions. [2022-11-25 18:15:38,480 INFO L78 Accepts]: Start accepts. Automaton has 24805 states and 38708 transitions. Word has length 236 [2022-11-25 18:15:38,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:15:38,486 INFO L495 AbstractCegarLoop]: Abstraction has 24805 states and 38708 transitions. [2022-11-25 18:15:38,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 18:15:38,486 INFO L276 IsEmpty]: Start isEmpty. Operand 24805 states and 38708 transitions. [2022-11-25 18:15:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-25 18:15:38,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:15:38,594 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 18:15:38,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:15:38,595 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:15:38,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:15:38,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1508681014, now seen corresponding path program 1 times [2022-11-25 18:15:38,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:15:38,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333544526] [2022-11-25 18:15:38,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:15:38,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:15:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:15:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:15:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:15:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:15:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:15:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:15:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:15:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:15:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:15:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:38,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:15:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 18:15:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:15:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-25 18:15:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-25 18:15:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:15:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-25 18:15:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 18:15:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-25 18:15:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 18:15:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-25 18:15:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-25 18:15:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-25 18:15:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-25 18:15:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-25 18:15:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:15:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:15:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-11-25 18:15:39,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:15:39,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333544526] [2022-11-25 18:15:39,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333544526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:15:39,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:15:39,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 18:15:39,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372317943] [2022-11-25 18:15:39,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:15:39,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:15:39,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:15:39,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:15:39,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:15:39,209 INFO L87 Difference]: Start difference. First operand 24805 states and 38708 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 18:15:54,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:16:05,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:16:05,173 INFO L93 Difference]: Finished difference Result 41648 states and 64990 transitions. [2022-11-25 18:16:05,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:16:05,174 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 262 [2022-11-25 18:16:05,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:16:05,290 INFO L225 Difference]: With dead ends: 41648 [2022-11-25 18:16:05,291 INFO L226 Difference]: Without dead ends: 16874 [2022-11-25 18:16:05,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:16:05,407 INFO L413 NwaCegarLoop]: 1346 mSDtfsCounter, 2041 mSDsluCounter, 5036 mSDsCounter, 0 mSdLazyCounter, 6970 mSolverCounterSat, 1607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2123 SdHoareTripleChecker+Valid, 6382 SdHoareTripleChecker+Invalid, 8577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1607 IncrementalHoareTripleChecker+Valid, 6970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:16:05,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2123 Valid, 6382 Invalid, 8577 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1607 Valid, 6970 Invalid, 0 Unknown, 0 Unchecked, 23.9s Time] [2022-11-25 18:16:05,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16874 states. [2022-11-25 18:16:06,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16874 to 15408. [2022-11-25 18:16:06,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15408 states, 10881 states have (on average 1.3802959286830254) internal successors, (15019), 11460 states have internal predecessors, (15019), 3355 states have call successors, (3355), 854 states have call predecessors, (3355), 1171 states have return successors, (5333), 3400 states have call predecessors, (5333), 3352 states have call successors, (5333) [2022-11-25 18:16:06,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15408 states to 15408 states and 23707 transitions. [2022-11-25 18:16:06,955 INFO L78 Accepts]: Start accepts. Automaton has 15408 states and 23707 transitions. Word has length 262 [2022-11-25 18:16:06,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:16:06,956 INFO L495 AbstractCegarLoop]: Abstraction has 15408 states and 23707 transitions. [2022-11-25 18:16:06,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 18:16:06,956 INFO L276 IsEmpty]: Start isEmpty. Operand 15408 states and 23707 transitions. [2022-11-25 18:16:06,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-11-25 18:16:07,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:16:07,000 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-11-25 18:16:07,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:16:07,001 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:16:07,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:16:07,001 INFO L85 PathProgramCache]: Analyzing trace with hash -873109720, now seen corresponding path program 1 times [2022-11-25 18:16:07,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:16:07,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417440017] [2022-11-25 18:16:07,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:16:07,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:16:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:16:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:16:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:16:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:16:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:16:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:16:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:16:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:16:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:16:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 18:16:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:16:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-25 18:16:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:16:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:16:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 18:16:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:16:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 18:16:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-25 18:16:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 18:16:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-25 18:16:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:16:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:16:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:16:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 18:16:08,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:16:08,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417440017] [2022-11-25 18:16:08,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417440017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:16:08,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:16:08,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-25 18:16:08,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163026283] [2022-11-25 18:16:08,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:16:08,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 18:16:08,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:16:08,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 18:16:08,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:16:08,430 INFO L87 Difference]: Start difference. First operand 15408 states and 23707 transitions. Second operand has 14 states, 14 states have (on average 11.642857142857142) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:16:18,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:16:26,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:16:26,177 INFO L93 Difference]: Finished difference Result 34982 states and 54837 transitions. [2022-11-25 18:16:26,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:16:26,178 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.642857142857142) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 281 [2022-11-25 18:16:26,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:16:26,280 INFO L225 Difference]: With dead ends: 34982 [2022-11-25 18:16:26,281 INFO L226 Difference]: Without dead ends: 19607 [2022-11-25 18:16:26,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:16:26,475 INFO L413 NwaCegarLoop]: 1403 mSDtfsCounter, 6946 mSDsluCounter, 4137 mSDsCounter, 0 mSdLazyCounter, 6330 mSolverCounterSat, 5243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7217 SdHoareTripleChecker+Valid, 5540 SdHoareTripleChecker+Invalid, 11573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5243 IncrementalHoareTripleChecker+Valid, 6330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:16:26,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7217 Valid, 5540 Invalid, 11573 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5243 Valid, 6330 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2022-11-25 18:16:26,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19607 states. [2022-11-25 18:16:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19607 to 17718. [2022-11-25 18:16:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17718 states, 12446 states have (on average 1.381488028282179) internal successors, (17194), 13145 states have internal predecessors, (17194), 3975 states have call successors, (3975), 854 states have call predecessors, (3975), 1296 states have return successors, (6613), 4105 states have call predecessors, (6613), 3972 states have call successors, (6613) [2022-11-25 18:16:28,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17718 states to 17718 states and 27782 transitions. [2022-11-25 18:16:28,272 INFO L78 Accepts]: Start accepts. Automaton has 17718 states and 27782 transitions. Word has length 281 [2022-11-25 18:16:28,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:16:28,272 INFO L495 AbstractCegarLoop]: Abstraction has 17718 states and 27782 transitions. [2022-11-25 18:16:28,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.642857142857142) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:16:28,273 INFO L276 IsEmpty]: Start isEmpty. Operand 17718 states and 27782 transitions. [2022-11-25 18:16:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-25 18:16:28,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:16:28,321 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-11-25 18:16:28,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 18:16:28,321 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:16:28,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:16:28,322 INFO L85 PathProgramCache]: Analyzing trace with hash -618049381, now seen corresponding path program 1 times [2022-11-25 18:16:28,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:16:28,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576102576] [2022-11-25 18:16:28,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:16:28,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:16:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:16:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:16:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:16:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:16:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:16:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:16:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-25 18:16:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:16:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:16:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 18:16:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:16:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-25 18:16:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:16:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:16:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 18:16:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:16:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 18:16:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-25 18:16:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 18:16:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-25 18:16:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:16:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:16:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:16:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 18:16:29,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:16:29,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576102576] [2022-11-25 18:16:29,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576102576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:16:29,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:16:29,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-25 18:16:29,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899995537] [2022-11-25 18:16:29,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:16:29,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 18:16:29,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:16:29,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 18:16:29,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:16:29,649 INFO L87 Difference]: Start difference. First operand 17718 states and 27782 transitions. Second operand has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:16:54,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:16:54,047 INFO L93 Difference]: Finished difference Result 37272 states and 58819 transitions. [2022-11-25 18:16:54,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:16:54,047 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 283 [2022-11-25 18:16:54,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:16:54,116 INFO L225 Difference]: With dead ends: 37272 [2022-11-25 18:16:54,116 INFO L226 Difference]: Without dead ends: 19587 [2022-11-25 18:16:54,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:16:54,166 INFO L413 NwaCegarLoop]: 1401 mSDtfsCounter, 5479 mSDsluCounter, 4795 mSDsCounter, 0 mSdLazyCounter, 7942 mSolverCounterSat, 3624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5746 SdHoareTripleChecker+Valid, 6196 SdHoareTripleChecker+Invalid, 11566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3624 IncrementalHoareTripleChecker+Valid, 7942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:16:54,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5746 Valid, 6196 Invalid, 11566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3624 Valid, 7942 Invalid, 0 Unknown, 0 Unchecked, 21.5s Time] [2022-11-25 18:16:54,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19587 states. [2022-11-25 18:16:55,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19587 to 17698. [2022-11-25 18:16:55,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17698 states, 12436 states have (on average 1.3809906722418783) internal successors, (17174), 13135 states have internal predecessors, (17174), 3965 states have call successors, (3965), 854 states have call predecessors, (3965), 1296 states have return successors, (6550), 4095 states have call predecessors, (6550), 3962 states have call successors, (6550) [2022-11-25 18:16:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17698 states to 17698 states and 27689 transitions. [2022-11-25 18:16:56,041 INFO L78 Accepts]: Start accepts. Automaton has 17698 states and 27689 transitions. Word has length 283 [2022-11-25 18:16:56,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:16:56,041 INFO L495 AbstractCegarLoop]: Abstraction has 17698 states and 27689 transitions. [2022-11-25 18:16:56,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:16:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand 17698 states and 27689 transitions. [2022-11-25 18:16:56,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-25 18:16:56,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:16:56,086 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-11-25 18:16:56,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 18:16:56,087 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:16:56,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:16:56,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1531328023, now seen corresponding path program 1 times [2022-11-25 18:16:56,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:16:56,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951118249] [2022-11-25 18:16:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:16:56,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:16:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:16:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:16:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:16:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:16:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:16:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:16:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 18:16:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:16:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:16:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:16:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 18:16:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:16:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:56,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-25 18:16:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:16:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:16:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 18:16:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:16:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 18:16:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-25 18:16:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 18:16:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-25 18:16:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:16:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:16:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:16:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:16:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:16:57,199 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 18:16:57,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:16:57,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951118249] [2022-11-25 18:16:57,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951118249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:16:57,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:16:57,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-25 18:16:57,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143473727] [2022-11-25 18:16:57,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:16:57,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 18:16:57,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:16:57,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 18:16:57,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:16:57,203 INFO L87 Difference]: Start difference. First operand 17698 states and 27689 transitions. Second operand has 14 states, 14 states have (on average 11.714285714285714) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:17:07,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:17:18,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:17:18,313 INFO L93 Difference]: Finished difference Result 37232 states and 58633 transitions. [2022-11-25 18:17:18,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:17:18,314 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.714285714285714) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 282 [2022-11-25 18:17:18,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:17:18,389 INFO L225 Difference]: With dead ends: 37232 [2022-11-25 18:17:18,389 INFO L226 Difference]: Without dead ends: 19567 [2022-11-25 18:17:18,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:17:18,433 INFO L413 NwaCegarLoop]: 1398 mSDtfsCounter, 4611 mSDsluCounter, 3688 mSDsCounter, 0 mSdLazyCounter, 5763 mSolverCounterSat, 2241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4876 SdHoareTripleChecker+Valid, 5086 SdHoareTripleChecker+Invalid, 8004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2241 IncrementalHoareTripleChecker+Valid, 5763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:17:18,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4876 Valid, 5086 Invalid, 8004 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2241 Valid, 5763 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2022-11-25 18:17:18,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19567 states. [2022-11-25 18:17:20,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19567 to 17678. [2022-11-25 18:17:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17678 states, 12426 states have (on average 1.380492515692902) internal successors, (17154), 13125 states have internal predecessors, (17154), 3955 states have call successors, (3955), 854 states have call predecessors, (3955), 1296 states have return successors, (6487), 4085 states have call predecessors, (6487), 3952 states have call successors, (6487) [2022-11-25 18:17:20,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17678 states to 17678 states and 27596 transitions. [2022-11-25 18:17:20,317 INFO L78 Accepts]: Start accepts. Automaton has 17678 states and 27596 transitions. Word has length 282 [2022-11-25 18:17:20,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:17:20,317 INFO L495 AbstractCegarLoop]: Abstraction has 17678 states and 27596 transitions. [2022-11-25 18:17:20,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.714285714285714) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:17:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 17678 states and 27596 transitions. [2022-11-25 18:17:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-25 18:17:20,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:17:20,342 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-11-25 18:17:20,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 18:17:20,343 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:17:20,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:20,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1082728022, now seen corresponding path program 1 times [2022-11-25 18:17:20,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:20,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231410131] [2022-11-25 18:17:20,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:20,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:17:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:20,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:20,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:17:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:20,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:17:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:17:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:17:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:17:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:17:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:17:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:17:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:17:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 18:17:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:17:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:17:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 18:17:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 18:17:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:17:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-25 18:17:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:17:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:17:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 18:17:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:17:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 18:17:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-25 18:17:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 18:17:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-25 18:17:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:17:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:17:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:17:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 18:17:21,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:17:21,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231410131] [2022-11-25 18:17:21,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231410131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:17:21,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:17:21,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-25 18:17:21,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643690361] [2022-11-25 18:17:21,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:17:21,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 18:17:21,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:17:21,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 18:17:21,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:17:21,483 INFO L87 Difference]: Start difference. First operand 17678 states and 27596 transitions. Second operand has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 5 states have internal predecessors, (162), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:17:40,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:17:47,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:17:47,982 INFO L93 Difference]: Finished difference Result 37192 states and 58447 transitions. [2022-11-25 18:17:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:17:47,983 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 5 states have internal predecessors, (162), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 280 [2022-11-25 18:17:47,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:17:48,048 INFO L225 Difference]: With dead ends: 37192 [2022-11-25 18:17:48,049 INFO L226 Difference]: Without dead ends: 19547 [2022-11-25 18:17:48,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:17:48,089 INFO L413 NwaCegarLoop]: 1392 mSDtfsCounter, 5675 mSDsluCounter, 4608 mSDsCounter, 0 mSdLazyCounter, 7288 mSolverCounterSat, 2967 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5942 SdHoareTripleChecker+Valid, 6000 SdHoareTripleChecker+Invalid, 10255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2967 IncrementalHoareTripleChecker+Valid, 7288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:17:48,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5942 Valid, 6000 Invalid, 10255 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2967 Valid, 7288 Invalid, 0 Unknown, 0 Unchecked, 23.6s Time] [2022-11-25 18:17:48,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19547 states. [2022-11-25 18:17:49,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19547 to 17658. [2022-11-25 18:17:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17658 states, 12416 states have (on average 1.3799935567010309) internal successors, (17134), 13115 states have internal predecessors, (17134), 3945 states have call successors, (3945), 854 states have call predecessors, (3945), 1296 states have return successors, (6424), 4075 states have call predecessors, (6424), 3942 states have call successors, (6424) [2022-11-25 18:17:49,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17658 states to 17658 states and 27503 transitions. [2022-11-25 18:17:49,800 INFO L78 Accepts]: Start accepts. Automaton has 17658 states and 27503 transitions. Word has length 280 [2022-11-25 18:17:49,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:17:49,801 INFO L495 AbstractCegarLoop]: Abstraction has 17658 states and 27503 transitions. [2022-11-25 18:17:49,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.571428571428571) internal successors, (162), 5 states have internal predecessors, (162), 2 states have call successors, (33), 11 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:17:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 17658 states and 27503 transitions. [2022-11-25 18:17:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-11-25 18:17:49,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:17:49,826 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 18:17:49,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 18:17:49,827 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:17:49,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:17:49,828 INFO L85 PathProgramCache]: Analyzing trace with hash -657798239, now seen corresponding path program 1 times [2022-11-25 18:17:49,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:17:49,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600355690] [2022-11-25 18:17:49,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:49,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:17:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:17:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:17:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:17:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:17:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:17:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:17:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:17:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:17:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:17:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:17:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 18:17:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:17:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:17:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:17:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:17:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-25 18:17:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 18:17:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-25 18:17:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 18:17:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 18:17:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:17:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:17:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-25 18:17:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-25 18:17:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-25 18:17:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-25 18:17:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-25 18:17:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-25 18:17:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-25 18:17:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-25 18:17:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-25 18:17:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-25 18:17:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-25 18:17:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-25 18:17:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-11-25 18:17:50,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:17:50,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600355690] [2022-11-25 18:17:50,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600355690] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:17:50,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409488841] [2022-11-25 18:17:50,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:17:50,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:17:50,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:17:50,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:17:50,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:17:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:17:51,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 3005 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:17:51,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:17:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-11-25 18:17:51,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:17:51,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409488841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:17:51,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:17:51,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-11-25 18:17:51,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124553047] [2022-11-25 18:17:51,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:17:51,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:17:51,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:17:51,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:17:51,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:17:51,875 INFO L87 Difference]: Start difference. First operand 17658 states and 27503 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:17:56,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:17:56,049 INFO L93 Difference]: Finished difference Result 45594 states and 71595 transitions. [2022-11-25 18:17:56,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:17:56,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 311 [2022-11-25 18:17:56,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:17:56,163 INFO L225 Difference]: With dead ends: 45594 [2022-11-25 18:17:56,163 INFO L226 Difference]: Without dead ends: 31662 [2022-11-25 18:17:56,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-11-25 18:17:56,207 INFO L413 NwaCegarLoop]: 4367 mSDtfsCounter, 2865 mSDsluCounter, 10202 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2883 SdHoareTripleChecker+Valid, 14569 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:17:56,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2883 Valid, 14569 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:17:56,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31662 states. [2022-11-25 18:17:59,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31662 to 31603. [2022-11-25 18:17:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31603 states, 22223 states have (on average 1.381316653917113) internal successors, (30697), 23497 states have internal predecessors, (30697), 7079 states have call successors, (7079), 1498 states have call predecessors, (7079), 2300 states have return successors, (11761), 7296 states have call predecessors, (11761), 7076 states have call successors, (11761) [2022-11-25 18:17:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31603 states to 31603 states and 49537 transitions. [2022-11-25 18:17:59,803 INFO L78 Accepts]: Start accepts. Automaton has 31603 states and 49537 transitions. Word has length 311 [2022-11-25 18:17:59,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:17:59,803 INFO L495 AbstractCegarLoop]: Abstraction has 31603 states and 49537 transitions. [2022-11-25 18:17:59,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:17:59,804 INFO L276 IsEmpty]: Start isEmpty. Operand 31603 states and 49537 transitions. [2022-11-25 18:17:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-11-25 18:17:59,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:17:59,833 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 18:17:59,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 18:18:00,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-25 18:18:00,035 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:18:00,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:18:00,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1730765791, now seen corresponding path program 1 times [2022-11-25 18:18:00,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:18:00,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38295914] [2022-11-25 18:18:00,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:18:00,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:18:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:18:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:18:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:18:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:18:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:18:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:18:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 18:18:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:18:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:18:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-25 18:18:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 18:18:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-25 18:18:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 18:18:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 18:18:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:18:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-25 18:18:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-25 18:18:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-25 18:18:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-25 18:18:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-25 18:18:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-25 18:18:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-25 18:18:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-25 18:18:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-25 18:18:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-25 18:18:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-25 18:18:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-25 18:18:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:01,513 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-25 18:18:01,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:18:01,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38295914] [2022-11-25 18:18:01,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38295914] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:18:01,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116367073] [2022-11-25 18:18:01,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:18:01,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:18:01,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:18:01,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:18:01,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:18:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:02,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 3000 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-25 18:18:02,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:18:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2022-11-25 18:18:03,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:18:03,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116367073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:18:03,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:18:03,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2022-11-25 18:18:03,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966952573] [2022-11-25 18:18:03,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:18:03,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:18:03,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:18:03,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:18:03,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:18:03,517 INFO L87 Difference]: Start difference. First operand 31603 states and 49537 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:18:10,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:18:10,024 INFO L93 Difference]: Finished difference Result 59511 states and 93613 transitions. [2022-11-25 18:18:10,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:18:10,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 311 [2022-11-25 18:18:10,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:18:10,146 INFO L225 Difference]: With dead ends: 59511 [2022-11-25 18:18:10,146 INFO L226 Difference]: Without dead ends: 31626 [2022-11-25 18:18:10,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:18:10,219 INFO L413 NwaCegarLoop]: 2933 mSDtfsCounter, 2281 mSDsluCounter, 6841 mSDsCounter, 0 mSdLazyCounter, 2458 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2284 SdHoareTripleChecker+Valid, 9774 SdHoareTripleChecker+Invalid, 2459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:18:10,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2284 Valid, 9774 Invalid, 2459 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2458 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-25 18:18:10,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31626 states. [2022-11-25 18:18:13,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31626 to 31611. [2022-11-25 18:18:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31611 states, 22227 states have (on average 1.3812480316731903) internal successors, (30701), 23505 states have internal predecessors, (30701), 7079 states have call successors, (7079), 1498 states have call predecessors, (7079), 2304 states have return successors, (11773), 7296 states have call predecessors, (11773), 7076 states have call successors, (11773) [2022-11-25 18:18:14,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31611 states to 31611 states and 49553 transitions. [2022-11-25 18:18:14,010 INFO L78 Accepts]: Start accepts. Automaton has 31611 states and 49553 transitions. Word has length 311 [2022-11-25 18:18:14,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:18:14,011 INFO L495 AbstractCegarLoop]: Abstraction has 31611 states and 49553 transitions. [2022-11-25 18:18:14,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:18:14,011 INFO L276 IsEmpty]: Start isEmpty. Operand 31611 states and 49553 transitions. [2022-11-25 18:18:14,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-25 18:18:14,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:18:14,047 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 18:18:14,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:18:14,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 18:18:14,248 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:18:14,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:18:14,248 INFO L85 PathProgramCache]: Analyzing trace with hash -98173696, now seen corresponding path program 1 times [2022-11-25 18:18:14,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:18:14,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57892848] [2022-11-25 18:18:14,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:18:14,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:18:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:14,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:18:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:18:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:18:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:18:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:18:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:18:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 18:18:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:18:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:18:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:18:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-25 18:18:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 18:18:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-25 18:18:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 18:18:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-25 18:18:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:18:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-25 18:18:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-25 18:18:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-25 18:18:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-25 18:18:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-25 18:18:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-25 18:18:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-25 18:18:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-25 18:18:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-25 18:18:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-25 18:18:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-25 18:18:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-25 18:18:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:15,466 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-11-25 18:18:15,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:18:15,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57892848] [2022-11-25 18:18:15,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57892848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:18:15,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:18:15,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-25 18:18:15,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909694933] [2022-11-25 18:18:15,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:18:15,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 18:18:15,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:18:15,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 18:18:15,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:18:15,469 INFO L87 Difference]: Start difference. First operand 31611 states and 49553 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (33), 8 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 18:18:21,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:18:35,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:18:35,173 INFO L93 Difference]: Finished difference Result 66030 states and 106091 transitions. [2022-11-25 18:18:35,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:18:35,175 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (33), 8 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 317 [2022-11-25 18:18:35,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:18:35,310 INFO L225 Difference]: With dead ends: 66030 [2022-11-25 18:18:35,310 INFO L226 Difference]: Without dead ends: 34452 [2022-11-25 18:18:35,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:18:35,393 INFO L413 NwaCegarLoop]: 1326 mSDtfsCounter, 3442 mSDsluCounter, 4834 mSDsCounter, 0 mSdLazyCounter, 6424 mSolverCounterSat, 2629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3524 SdHoareTripleChecker+Valid, 6160 SdHoareTripleChecker+Invalid, 9053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2629 IncrementalHoareTripleChecker+Valid, 6424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:18:35,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3524 Valid, 6160 Invalid, 9053 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2629 Valid, 6424 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2022-11-25 18:18:35,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34452 states. [2022-11-25 18:18:39,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34452 to 31729. [2022-11-25 18:18:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31729 states, 22313 states have (on average 1.3805853090126832) internal successors, (30805), 23587 states have internal predecessors, (30805), 7097 states have call successors, (7097), 1498 states have call predecessors, (7097), 2318 states have return successors, (11827), 7332 states have call predecessors, (11827), 7094 states have call successors, (11827) [2022-11-25 18:18:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31729 states to 31729 states and 49729 transitions. [2022-11-25 18:18:39,283 INFO L78 Accepts]: Start accepts. Automaton has 31729 states and 49729 transitions. Word has length 317 [2022-11-25 18:18:39,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:18:39,283 INFO L495 AbstractCegarLoop]: Abstraction has 31729 states and 49729 transitions. [2022-11-25 18:18:39,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (33), 8 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 18:18:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 31729 states and 49729 transitions. [2022-11-25 18:18:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-25 18:18:39,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:18:39,313 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 18:18:39,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 18:18:39,314 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:18:39,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:18:39,314 INFO L85 PathProgramCache]: Analyzing trace with hash -731477608, now seen corresponding path program 1 times [2022-11-25 18:18:39,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:18:39,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137050438] [2022-11-25 18:18:39,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:18:39,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:18:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:18:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:18:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:18:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:18:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:39,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:18:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 18:18:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 18:18:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:18:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 18:18:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:18:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-25 18:18:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 18:18:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-25 18:18:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 18:18:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-25 18:18:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:18:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-25 18:18:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-25 18:18:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-25 18:18:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-25 18:18:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-25 18:18:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-25 18:18:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-25 18:18:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-25 18:18:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-25 18:18:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-25 18:18:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-25 18:18:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-25 18:18:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2022-11-25 18:18:40,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:18:40,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137050438] [2022-11-25 18:18:40,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137050438] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:18:40,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610810795] [2022-11-25 18:18:40,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:18:40,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:18:40,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:18:40,387 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:18:40,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 18:18:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:41,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 3024 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:18:41,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:18:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2022-11-25 18:18:42,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:18:42,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610810795] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:18:42,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:18:42,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 17 [2022-11-25 18:18:42,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459024391] [2022-11-25 18:18:42,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:18:42,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:18:42,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:18:42,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:18:42,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-11-25 18:18:42,226 INFO L87 Difference]: Start difference. First operand 31729 states and 49729 transitions. Second operand has 7 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-25 18:18:49,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:18:49,827 INFO L93 Difference]: Finished difference Result 63472 states and 99508 transitions. [2022-11-25 18:18:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:18:49,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 317 [2022-11-25 18:18:49,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:18:49,932 INFO L225 Difference]: With dead ends: 63472 [2022-11-25 18:18:49,932 INFO L226 Difference]: Without dead ends: 31762 [2022-11-25 18:18:50,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-11-25 18:18:50,004 INFO L413 NwaCegarLoop]: 2917 mSDtfsCounter, 2329 mSDsluCounter, 9503 mSDsCounter, 0 mSdLazyCounter, 3295 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2336 SdHoareTripleChecker+Valid, 12420 SdHoareTripleChecker+Invalid, 3297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:18:50,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2336 Valid, 12420 Invalid, 3297 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3295 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-25 18:18:50,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31762 states. [2022-11-25 18:18:53,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31762 to 31732. [2022-11-25 18:18:53,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31732 states, 22315 states have (on average 1.3805960116513556) internal successors, (30808), 23590 states have internal predecessors, (30808), 7097 states have call successors, (7097), 1498 states have call predecessors, (7097), 2319 states have return successors, (11831), 7332 states have call predecessors, (11831), 7094 states have call successors, (11831) [2022-11-25 18:18:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31732 states to 31732 states and 49736 transitions. [2022-11-25 18:18:53,463 INFO L78 Accepts]: Start accepts. Automaton has 31732 states and 49736 transitions. Word has length 317 [2022-11-25 18:18:53,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:18:53,463 INFO L495 AbstractCegarLoop]: Abstraction has 31732 states and 49736 transitions. [2022-11-25 18:18:53,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-25 18:18:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 31732 states and 49736 transitions. [2022-11-25 18:18:53,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-11-25 18:18:53,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:18:53,493 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 18:18:53,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:18:53,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:18:53,694 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:18:53,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:18:53,695 INFO L85 PathProgramCache]: Analyzing trace with hash -977081174, now seen corresponding path program 1 times [2022-11-25 18:18:53,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:18:53,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530524755] [2022-11-25 18:18:53,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:18:53,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:18:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:18:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:18:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:18:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:18:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:18:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:18:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 18:18:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 18:18:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:18:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 18:18:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:18:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-25 18:18:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-25 18:18:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-25 18:18:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-25 18:18:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-25 18:18:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:18:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:18:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-25 18:18:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-25 18:18:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:54,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-25 18:18:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:55,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-25 18:18:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:55,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-25 18:18:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-25 18:18:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-25 18:18:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:55,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-25 18:18:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:55,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-25 18:18:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:55,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-25 18:18:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:55,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-25 18:18:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-25 18:18:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:55,060 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-25 18:18:55,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:18:55,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530524755] [2022-11-25 18:18:55,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530524755] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:18:55,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553721576] [2022-11-25 18:18:55,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:18:55,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:18:55,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:18:55,063 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:18:55,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 18:18:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:18:56,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 3054 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-25 18:18:56,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:18:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 137 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-25 18:18:56,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:18:56,932 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-25 18:18:56,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553721576] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:18:56,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:18:56,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 19 [2022-11-25 18:18:56,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331075604] [2022-11-25 18:18:56,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:18:56,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-25 18:18:56,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:18:56,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-25 18:18:56,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-11-25 18:18:56,937 INFO L87 Difference]: Start difference. First operand 31732 states and 49736 transitions. Second operand has 19 states, 17 states have (on average 10.470588235294118) internal successors, (178), 13 states have internal predecessors, (178), 4 states have call successors, (80), 8 states have call predecessors, (80), 6 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2022-11-25 18:19:05,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:19:09,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:19:30,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:19:30,252 INFO L93 Difference]: Finished difference Result 66162 states and 104490 transitions. [2022-11-25 18:19:30,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 18:19:30,253 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 10.470588235294118) internal successors, (178), 13 states have internal predecessors, (178), 4 states have call successors, (80), 8 states have call predecessors, (80), 6 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) Word has length 319 [2022-11-25 18:19:30,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:19:30,378 INFO L225 Difference]: With dead ends: 66162 [2022-11-25 18:19:30,379 INFO L226 Difference]: Without dead ends: 34449 [2022-11-25 18:19:30,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 710 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=151, Invalid=661, Unknown=0, NotChecked=0, Total=812 [2022-11-25 18:19:30,460 INFO L413 NwaCegarLoop]: 1326 mSDtfsCounter, 2041 mSDsluCounter, 12629 mSDsCounter, 0 mSdLazyCounter, 16053 mSolverCounterSat, 1566 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 13955 SdHoareTripleChecker+Invalid, 17619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1566 IncrementalHoareTripleChecker+Valid, 16053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:19:30,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 13955 Invalid, 17619 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1566 Valid, 16053 Invalid, 0 Unknown, 0 Unchecked, 28.5s Time] [2022-11-25 18:19:30,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34449 states. [2022-11-25 18:19:33,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34449 to 31733. [2022-11-25 18:19:33,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31733 states, 22316 states have (on average 1.3806237677003048) internal successors, (30810), 23591 states have internal predecessors, (30810), 7097 states have call successors, (7097), 1498 states have call predecessors, (7097), 2319 states have return successors, (11831), 7332 states have call predecessors, (11831), 7094 states have call successors, (11831) [2022-11-25 18:19:34,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31733 states to 31733 states and 49738 transitions. [2022-11-25 18:19:34,022 INFO L78 Accepts]: Start accepts. Automaton has 31733 states and 49738 transitions. Word has length 319 [2022-11-25 18:19:34,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:19:34,023 INFO L495 AbstractCegarLoop]: Abstraction has 31733 states and 49738 transitions. [2022-11-25 18:19:34,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 10.470588235294118) internal successors, (178), 13 states have internal predecessors, (178), 4 states have call successors, (80), 8 states have call predecessors, (80), 6 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2022-11-25 18:19:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 31733 states and 49738 transitions. [2022-11-25 18:19:34,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-11-25 18:19:34,071 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:19:34,071 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 18:19:34,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:19:34,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:19:34,284 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:19:34,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:19:34,285 INFO L85 PathProgramCache]: Analyzing trace with hash 134099096, now seen corresponding path program 2 times [2022-11-25 18:19:34,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:19:34,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910336950] [2022-11-25 18:19:34,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:19:34,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:19:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:34,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:19:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:34,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:34,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:19:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:34,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:19:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:19:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:19:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:19:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:19:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:19:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:19:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:19:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:19:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:19:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-25 18:19:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:19:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 18:19:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:19:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-25 18:19:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 18:19:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-25 18:19:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 18:19:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-25 18:19:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:19:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:19:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-25 18:19:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-25 18:19:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-25 18:19:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-25 18:19:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-25 18:19:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-25 18:19:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-25 18:19:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-25 18:19:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-25 18:19:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-25 18:19:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-25 18:19:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-25 18:19:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:19:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-11-25 18:19:35,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:19:35,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910336950] [2022-11-25 18:19:35,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910336950] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:19:35,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873929531] [2022-11-25 18:19:35,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:19:35,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:19:35,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:19:35,699 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:19:35,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 18:19:36,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:19:36,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:19:36,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 3084 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-25 18:19:36,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:19:37,160 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 142 proven. 3 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-11-25 18:19:37,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:19:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-11-25 18:19:37,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873929531] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:19:37,661 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:19:37,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2022-11-25 18:19:37,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931930384] [2022-11-25 18:19:37,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:19:37,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-25 18:19:37,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:19:37,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-25 18:19:37,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:19:37,667 INFO L87 Difference]: Start difference. First operand 31733 states and 49738 transitions. Second operand has 22 states, 20 states have (on average 9.05) internal successors, (181), 16 states have internal predecessors, (181), 4 states have call successors, (80), 8 states have call predecessors, (80), 6 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2022-11-25 18:19:47,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:20:09,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:09,854 INFO L93 Difference]: Finished difference Result 66217 states and 104690 transitions. [2022-11-25 18:20:09,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 18:20:09,856 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 9.05) internal successors, (181), 16 states have internal predecessors, (181), 4 states have call successors, (80), 8 states have call predecessors, (80), 6 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) Word has length 321 [2022-11-25 18:20:09,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:20:10,016 INFO L225 Difference]: With dead ends: 66217 [2022-11-25 18:20:10,016 INFO L226 Difference]: Without dead ends: 34503 [2022-11-25 18:20:10,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 745 GetRequests, 712 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=187, Invalid=935, Unknown=0, NotChecked=0, Total=1122 [2022-11-25 18:20:10,091 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 2942 mSDsluCounter, 14820 mSDsCounter, 0 mSdLazyCounter, 18732 mSolverCounterSat, 2209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3025 SdHoareTripleChecker+Valid, 16142 SdHoareTripleChecker+Invalid, 20941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2209 IncrementalHoareTripleChecker+Valid, 18732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:20:10,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3025 Valid, 16142 Invalid, 20941 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2209 Valid, 18732 Invalid, 0 Unknown, 0 Unchecked, 27.0s Time] [2022-11-25 18:20:10,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34503 states. [2022-11-25 18:20:13,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34503 to 31734. [2022-11-25 18:20:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31734 states, 22317 states have (on average 1.3806515212618184) internal successors, (30812), 23592 states have internal predecessors, (30812), 7097 states have call successors, (7097), 1498 states have call predecessors, (7097), 2319 states have return successors, (11831), 7332 states have call predecessors, (11831), 7094 states have call successors, (11831) [2022-11-25 18:20:13,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31734 states to 31734 states and 49740 transitions. [2022-11-25 18:20:13,587 INFO L78 Accepts]: Start accepts. Automaton has 31734 states and 49740 transitions. Word has length 321 [2022-11-25 18:20:13,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:20:13,588 INFO L495 AbstractCegarLoop]: Abstraction has 31734 states and 49740 transitions. [2022-11-25 18:20:13,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 9.05) internal successors, (181), 16 states have internal predecessors, (181), 4 states have call successors, (80), 8 states have call predecessors, (80), 6 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2022-11-25 18:20:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 31734 states and 49740 transitions. [2022-11-25 18:20:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2022-11-25 18:20:13,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:20:13,636 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 18:20:13,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-25 18:20:13,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:20:13,849 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:20:13,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:13,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1064861482, now seen corresponding path program 3 times [2022-11-25 18:20:13,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:13,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822498608] [2022-11-25 18:20:13,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:13,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:20:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:20:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:20:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:20:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 18:20:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:20:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:20:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:20:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 18:20:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-25 18:20:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:20:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:20:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-25 18:20:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:20:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-25 18:20:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:20:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:14,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-25 18:20:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-25 18:20:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-25 18:20:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 18:20:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-25 18:20:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:20:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 18:20:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-25 18:20:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-25 18:20:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-25 18:20:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-25 18:20:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-25 18:20:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-25 18:20:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-25 18:20:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-25 18:20:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-25 18:20:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-25 18:20:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-25 18:20:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-25 18:20:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,191 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-11-25 18:20:15,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:15,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822498608] [2022-11-25 18:20:15,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822498608] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:20:15,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144071870] [2022-11-25 18:20:15,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 18:20:15,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:20:15,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:15,195 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:20:15,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afef38-2de4-4efd-a8ee-4e40c8f151a9/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 18:20:18,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-25 18:20:18,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:20:18,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 3027 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 18:20:18,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 150 proven. 6 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-11-25 18:20:18,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:20:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-11-25 18:20:19,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144071870] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:20:19,084 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:20:19,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 24 [2022-11-25 18:20:19,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051509445] [2022-11-25 18:20:19,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:20:19,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-25 18:20:19,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:19,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-25 18:20:19,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2022-11-25 18:20:19,087 INFO L87 Difference]: Start difference. First operand 31734 states and 49740 transitions. Second operand has 24 states, 22 states have (on average 8.318181818181818) internal successors, (183), 18 states have internal predecessors, (183), 4 states have call successors, (80), 8 states have call predecessors, (80), 6 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63)