./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b087d00fa9bd90976fef9b627e09b5ad5b9a94f81c1bccd132a9fa7492421f28 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:30:27,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:30:27,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:30:27,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:30:27,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:30:27,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:30:27,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:30:27,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:30:27,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:30:27,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:30:27,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:30:27,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:30:27,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:30:27,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:30:27,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:30:27,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:30:27,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:30:27,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:30:27,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:30:27,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:30:27,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:30:27,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:30:27,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:30:27,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:30:27,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:30:27,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:30:27,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:30:27,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:30:27,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:30:27,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:30:27,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:30:27,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:30:27,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:30:27,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:30:27,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:30:27,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:30:27,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:30:27,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:30:27,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:30:27,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:30:27,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:30:27,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 17:30:27,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:30:27,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:30:27,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:30:27,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:30:27,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:30:27,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:30:27,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:30:27,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:30:27,586 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:30:27,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:30:27,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:30:27,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:30:27,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:30:27,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:30:27,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:30:27,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:30:27,588 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:30:27,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:30:27,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:30:27,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:30:27,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:30:27,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:30:27,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:30:27,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:30:27,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:30:27,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:30:27,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:30:27,590 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:30:27,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:30:27,590 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:30:27,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:30:27,591 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:30:27,591 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_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b087d00fa9bd90976fef9b627e09b5ad5b9a94f81c1bccd132a9fa7492421f28 [2022-12-13 17:30:27,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:30:27,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:30:27,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:30:27,781 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:30:27,781 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:30:27,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2022-12-13 17:30:30,384 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:30:30,716 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:30:30,717 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2022-12-13 17:30:30,740 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/data/359e3a2fb/be0538e1f47b4e5c98b89fca28c4ccb3/FLAGa2cf47db5 [2022-12-13 17:30:30,751 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/data/359e3a2fb/be0538e1f47b4e5c98b89fca28c4ccb3 [2022-12-13 17:30:30,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:30:30,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:30:30,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:30:30,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:30:30,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:30:30,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:30:30" (1/1) ... [2022-12-13 17:30:30,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf99aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:30, skipping insertion in model container [2022-12-13 17:30:30,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:30:30" (1/1) ... [2022-12-13 17:30:30,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:30:30,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:30:31,243 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 17:30:31,255 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 17:30:31,261 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 17:30:31,466 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 17:30:31,498 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-13 17:30:31,513 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-13 17:30:31,527 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 17:30:31,546 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:30:31,645 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 17:30:31,646 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 17:30:31,654 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:30:31,654 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,826 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:30:31,828 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 17:30:31,828 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:31,828 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:31,835 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 17:30:31,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,841 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:31,841 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:31,842 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:31,842 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 17:30:31,846 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 17:30:31,846 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 17:30:31,846 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 17:30:31,847 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 17:30:31,850 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,873 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 17:30:31,878 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:30:31,879 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 17:30:31,879 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 17:30:31,880 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:30:31,893 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,898 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,899 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:30:31,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,906 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,906 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:30:31,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,908 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:31,914 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,915 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,920 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,939 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,945 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,974 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 17:30:31,979 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,980 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,982 WARN L623 FunctionHandler]: Unknown extern function orinoco_process_xmit_skb [2022-12-13 17:30:31,985 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 17:30:31,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,987 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 17:30:31,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,999 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:31,999 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:30:32,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,006 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 17:30:32,006 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 17:30:32,007 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:30:32,009 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,010 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,011 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,012 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,013 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,013 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,014 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,016 WARN L623 FunctionHandler]: Unknown extern function __orinoco_ev_rx [2022-12-13 17:30:32,017 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 17:30:32,017 WARN L623 FunctionHandler]: Unknown extern function __orinoco_ev_info [2022-12-13 17:30:32,023 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:30:32,023 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:30:32,024 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 17:30:32,025 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 17:30:32,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,027 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:30:32,027 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:32,028 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 17:30:32,028 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:32,029 WARN L623 FunctionHandler]: Unknown extern function orinoco_if_del [2022-12-13 17:30:32,029 WARN L623 FunctionHandler]: Unknown extern function free_orinocodev [2022-12-13 17:30:32,051 WARN L623 FunctionHandler]: Unknown extern function alloc_orinocodev [2022-12-13 17:30:32,052 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,053 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:30:32,054 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:30:32,054 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:30:32,056 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,056 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,059 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,059 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,062 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-13 17:30:32,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,064 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,064 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,064 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,065 WARN L623 FunctionHandler]: Unknown extern function orinoco_init [2022-12-13 17:30:32,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,065 WARN L623 FunctionHandler]: Unknown extern function orinoco_if_add [2022-12-13 17:30:32,066 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,066 WARN L623 FunctionHandler]: Unknown extern function free_orinocodev [2022-12-13 17:30:32,067 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 17:30:32,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,279 WARN L623 FunctionHandler]: Unknown extern function orinoco_open [2022-12-13 17:30:32,279 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 17:30:32,279 WARN L623 FunctionHandler]: Unknown extern function orinoco_set_multicast_list [2022-12-13 17:30:32,280 WARN L623 FunctionHandler]: Unknown extern function orinoco_stop [2022-12-13 17:30:32,280 WARN L623 FunctionHandler]: Unknown extern function orinoco_tx_timeout [2022-12-13 17:30:32,280 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 17:30:32,280 WARN L623 FunctionHandler]: Unknown extern function orinoco_change_mtu [2022-12-13 17:30:32,281 WARN L623 FunctionHandler]: Unknown extern function orinoco_get_stats [2022-12-13 17:30:32,286 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 17:30:32,296 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 17:30:32,296 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 17:30:32,309 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-13 17:30:32,312 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 17:30:32,313 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 17:30:32,314 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 17:30:32,315 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,315 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,315 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,316 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,316 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,316 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:30:32,316 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,317 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:30:32,317 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:30:32,318 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,318 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:30:32,318 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,319 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 17:30:32,320 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 17:30:32,357 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 17:30:32,362 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,407 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,410 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,414 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,417 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,431 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,434 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,438 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,441 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,444 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,457 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,461 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,464 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,468 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,472 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,485 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,488 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,492 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,495 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,499 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,512 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,513 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,513 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,516 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,520 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,533 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,537 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,540 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,544 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,547 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,560 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,564 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,567 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,571 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,574 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,588 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,591 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,595 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,598 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,602 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,615 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,619 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,622 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,626 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,629 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,642 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,643 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,643 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,647 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,650 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,663 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,664 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,664 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,667 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,671 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,684 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,687 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,691 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,694 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,698 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,711 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,714 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,717 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,721 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,724 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,736 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,737 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,737 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,737 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,737 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,739 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,739 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,739 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,755 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_d266265d-255c-4335-9d7e-d5916a123f44/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2022-12-13 17:30:32,758 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_d266265d-255c-4335-9d7e-d5916a123f44/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2022-12-13 17:30:32,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:30:32,797 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:30:32,892 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 17:30:32,893 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 17:30:32,893 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 17:30:32,895 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 17:30:32,896 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-13 17:30:32,896 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-13 17:30:32,897 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 17:30:32,898 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 17:30:32,899 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 17:30:32,900 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 17:30:32,900 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:30:32,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,909 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 17:30:32,910 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 17:30:32,910 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:32,910 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:32,911 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 17:30:32,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,912 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:32,912 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:32,913 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:32,913 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 17:30:32,913 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 17:30:32,914 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 17:30:32,914 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 17:30:32,914 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 17:30:32,915 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,916 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,917 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,920 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,922 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 17:30:32,923 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 17:30:32,923 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 17:30:32,923 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 17:30:32,924 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 17:30:32,925 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,926 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,927 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:30:32,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,928 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,929 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,929 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:30:32,929 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,930 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:32,930 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,932 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,932 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,939 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,943 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 17:30:32,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,945 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,945 WARN L623 FunctionHandler]: Unknown extern function orinoco_process_xmit_skb [2022-12-13 17:30:32,947 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-13 17:30:32,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,947 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 17:30:32,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,949 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 17:30:32,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,950 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 17:30:32,950 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 17:30:32,950 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:30:32,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,954 WARN L623 FunctionHandler]: Unknown extern function __orinoco_ev_rx [2022-12-13 17:30:32,954 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 17:30:32,954 WARN L623 FunctionHandler]: Unknown extern function __orinoco_ev_info [2022-12-13 17:30:32,955 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 17:30:32,955 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 17:30:32,956 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-12-13 17:30:32,956 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 17:30:32,957 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,957 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 17:30:32,957 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:32,957 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 17:30:32,957 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 17:30:32,958 WARN L623 FunctionHandler]: Unknown extern function orinoco_if_del [2022-12-13 17:30:32,958 WARN L623 FunctionHandler]: Unknown extern function free_orinocodev [2022-12-13 17:30:32,959 WARN L623 FunctionHandler]: Unknown extern function alloc_orinocodev [2022-12-13 17:30:32,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,960 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 17:30:32,960 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:30:32,960 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 17:30:32,961 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,961 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,964 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,964 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,964 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-13 17:30:32,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,966 WARN L623 FunctionHandler]: Unknown extern function orinoco_init [2022-12-13 17:30:32,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,966 WARN L623 FunctionHandler]: Unknown extern function orinoco_if_add [2022-12-13 17:30:32,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,966 WARN L623 FunctionHandler]: Unknown extern function free_orinocodev [2022-12-13 17:30:32,967 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 17:30:32,967 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 17:30:32,972 WARN L623 FunctionHandler]: Unknown extern function orinoco_open [2022-12-13 17:30:32,973 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 17:30:32,973 WARN L623 FunctionHandler]: Unknown extern function orinoco_set_multicast_list [2022-12-13 17:30:32,973 WARN L623 FunctionHandler]: Unknown extern function orinoco_stop [2022-12-13 17:30:32,973 WARN L623 FunctionHandler]: Unknown extern function orinoco_tx_timeout [2022-12-13 17:30:32,973 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 17:30:32,974 WARN L623 FunctionHandler]: Unknown extern function orinoco_change_mtu [2022-12-13 17:30:32,974 WARN L623 FunctionHandler]: Unknown extern function orinoco_get_stats [2022-12-13 17:30:32,977 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 17:30:32,983 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 17:30:32,983 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 17:30:32,985 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-13 17:30:32,987 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 17:30:32,988 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 17:30:32,988 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 17:30:32,989 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,989 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,989 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,989 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,990 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,990 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:30:32,990 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,990 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:30:32,990 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-13 17:30:32,991 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,991 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 17:30:32,991 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 17:30:32,992 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 17:30:32,992 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 17:30:32,994 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 17:30:32,995 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,998 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,998 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,998 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,998 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,999 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:32,999 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,000 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,000 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,000 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,001 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,001 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,001 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,001 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,002 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,002 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,003 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,003 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,003 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,003 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,004 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,004 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,004 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,005 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,005 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,006 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,006 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,006 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,006 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,007 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,007 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,007 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,008 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,008 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,008 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,009 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,009 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,009 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,009 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,010 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,010 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,011 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,011 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,011 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,011 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,012 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,012 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,012 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,012 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,013 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,013 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,014 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,014 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,014 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,014 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,015 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,015 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,015 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,016 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,016 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,016 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,017 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,017 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,017 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,017 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,018 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,018 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,018 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,018 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,018 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,019 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,019 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,019 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,019 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,019 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,019 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,019 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,020 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,020 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 17:30:33,021 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_d266265d-255c-4335-9d7e-d5916a123f44/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2022-12-13 17:30:33,021 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_d266265d-255c-4335-9d7e-d5916a123f44/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2022-12-13 17:30:33,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:30:33,135 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:30:33,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33 WrapperNode [2022-12-13 17:30:33,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:30:33,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:30:33,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:30:33,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:30:33,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (1/1) ... [2022-12-13 17:30:33,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (1/1) ... [2022-12-13 17:30:33,329 INFO L138 Inliner]: procedures = 421, calls = 1839, calls flagged for inlining = 205, calls inlined = 179, statements flattened = 4225 [2022-12-13 17:30:33,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:30:33,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:30:33,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:30:33,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:30:33,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (1/1) ... [2022-12-13 17:30:33,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (1/1) ... [2022-12-13 17:30:33,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (1/1) ... [2022-12-13 17:30:33,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (1/1) ... [2022-12-13 17:30:33,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (1/1) ... [2022-12-13 17:30:33,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (1/1) ... [2022-12-13 17:30:33,453 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (1/1) ... [2022-12-13 17:30:33,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (1/1) ... [2022-12-13 17:30:33,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:30:33,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:30:33,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:30:33,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:30:33,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (1/1) ... [2022-12-13 17:30:33,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:30:33,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:30:33,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:30:33,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:30:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure build_crc [2022-12-13 17:30:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure build_crc [2022-12-13 17:30:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_set_multicast_list [2022-12-13 17:30:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_set_multicast_list [2022-12-13 17:30:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 17:30:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 17:30:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-12-13 17:30:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-12-13 17:30:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 17:30:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 17:30:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irqsave [2022-12-13 17:30:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irqsave [2022-12-13 17:30:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-12-13 17:30:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-12-13 17:30:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 17:30:33,547 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 17:30:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure free_orinocodev [2022-12-13 17:30:33,547 INFO L138 BoogieDeclarations]: Found implementation of procedure free_orinocodev [2022-12-13 17:30:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 17:30:33,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 17:30:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 17:30:33,547 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 17:30:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 17:30:33,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 17:30:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_8051_cpucs [2022-12-13 17:30:33,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_8051_cpucs [2022-12-13 17:30:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:30:33,547 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 17:30:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 17:30:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_unlock [2022-12-13 17:30:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_unlock [2022-12-13 17:30:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_open [2022-12-13 17:30:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_open [2022-12-13 17:30:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 17:30:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 17:30:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-12-13 17:30:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-12-13 17:30:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irqrestore [2022-12-13 17:30:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irqrestore [2022-12-13 17:30:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 17:30:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_disconnect [2022-12-13 17:30:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_disconnect [2022-12-13 17:30:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 17:30:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 17:30:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 17:30:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 17:30:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 17:30:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:30:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-13 17:30:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-13 17:30:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 17:30:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 17:30:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_init [2022-12-13 17:30:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_init [2022-12-13 17:30:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 17:30:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 17:30:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 17:30:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 17:30:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 17:30:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 17:30:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_hard_reset [2022-12-13 17:30:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_hard_reset [2022-12-13 17:30:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-13 17:30:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-13 17:30:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 17:30:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-12-13 17:30:33,550 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-12-13 17:30:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:30:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 17:30:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 17:30:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 17:30:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 17:30:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 17:30:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 17:30:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-12-13 17:30:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-12-13 17:30:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-12-13 17:30:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-12-13 17:30:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_request_context_put [2022-12-13 17:30:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_request_context_put [2022-12-13 17:30:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-12-13 17:30:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-12-13 17:30:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-13 17:30:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-13 17:30:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_submit_in_urb [2022-12-13 17:30:33,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_submit_in_urb [2022-12-13 17:30:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-13 17:30:33,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-13 17:30:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 17:30:33,552 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 17:30:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irq [2022-12-13 17:30:33,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irq [2022-12-13 17:30:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:30:33,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:30:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure ndev_priv [2022-12-13 17:30:33,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ndev_priv [2022-12-13 17:30:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-12-13 17:30:33,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-12-13 17:30:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 17:30:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 17:30:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 17:30:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 17:30:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-13 17:30:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-13 17:30:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irq [2022-12-13 17:30:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irq [2022-12-13 17:30:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:30:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 17:30:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 17:30:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-12-13 17:30:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-12-13 17:30:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 17:30:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-12-13 17:30:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-12-13 17:30:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2022-12-13 17:30:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2022-12-13 17:30:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 17:30:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_tx_timeout [2022-12-13 17:30:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_tx_timeout [2022-12-13 17:30:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_program_end [2022-12-13 17:30:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_program_end [2022-12-13 17:30:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-13 17:30:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-13 17:30:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 17:30:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 17:30:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 17:30:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 17:30:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2022-12-13 17:30:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2022-12-13 17:30:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_stop [2022-12-13 17:30:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_stop [2022-12-13 17:30:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_access_ltv [2022-12-13 17:30:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_access_ltv [2022-12-13 17:30:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 17:30:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 17:30:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_write_ltv [2022-12-13 17:30:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_write_ltv [2022-12-13 17:30:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_mod_timer [2022-12-13 17:30:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_mod_timer [2022-12-13 17:30:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 17:30:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 17:30:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 17:30:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 17:30:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 17:30:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 17:30:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_req_queue_run [2022-12-13 17:30:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_req_queue_run [2022-12-13 17:30:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 17:30:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 17:30:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2022-12-13 17:30:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2022-12-13 17:30:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_ctx_complete [2022-12-13 17:30:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_ctx_complete [2022-12-13 17:30:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_delete [2022-12-13 17:30:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_delete [2022-12-13 17:30:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:30:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_alloc_ctx [2022-12-13 17:30:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_alloc_ctx [2022-12-13 17:30:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 17:30:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 17:30:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 17:30:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 17:30:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_reply_inc [2022-12-13 17:30:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_reply_inc [2022-12-13 17:30:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2022-12-13 17:30:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2022-12-13 17:30:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_docmd_wait [2022-12-13 17:30:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_docmd_wait [2022-12-13 17:30:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 17:30:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 17:30:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2022-12-13 17:30:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2022-12-13 17:30:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:30:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 17:30:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 17:30:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_complete_all [2022-12-13 17:30:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_complete_all [2022-12-13 17:30:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 17:30:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 17:30:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-12-13 17:30:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-12-13 17:30:34,033 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:30:34,036 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:30:34,365 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 17:30:36,209 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-13 17:30:36,303 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:30:36,314 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:30:36,314 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 17:30:36,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:30:36 BoogieIcfgContainer [2022-12-13 17:30:36,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:30:36,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:30:36,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:30:36,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:30:36,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:30:30" (1/3) ... [2022-12-13 17:30:36,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e89b98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:30:36, skipping insertion in model container [2022-12-13 17:30:36,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:30:33" (2/3) ... [2022-12-13 17:30:36,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e89b98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:30:36, skipping insertion in model container [2022-12-13 17:30:36,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:30:36" (3/3) ... [2022-12-13 17:30:36,322 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2022-12-13 17:30:36,336 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:30:36,336 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:30:36,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:30:36,395 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;@2875acd6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:30:36,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:30:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 1460 states, 1020 states have (on average 1.2970588235294118) internal successors, (1323), 1033 states have internal predecessors, (1323), 358 states have call successors, (358), 82 states have call predecessors, (358), 81 states have return successors, (351), 347 states have call predecessors, (351), 351 states have call successors, (351) [2022-12-13 17:30:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-12-13 17:30:36,427 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:30:36,428 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:30:36,428 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:30:36,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:30:36,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1593285275, now seen corresponding path program 1 times [2022-12-13 17:30:36,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:30:36,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214527552] [2022-12-13 17:30:36,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:30:36,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:30:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:30:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:30:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:30:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:30:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:30:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:30:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:30:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:30:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:30:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:30:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:30:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:30:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:30:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:30:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:30:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:30:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 17:30:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 17:30:37,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:30:37,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214527552] [2022-12-13 17:30:37,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214527552] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:30:37,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:30:37,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:30:37,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387532167] [2022-12-13 17:30:37,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:30:37,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:30:37,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:30:37,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:30:37,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:30:37,334 INFO L87 Difference]: Start difference. First operand has 1460 states, 1020 states have (on average 1.2970588235294118) internal successors, (1323), 1033 states have internal predecessors, (1323), 358 states have call successors, (358), 82 states have call predecessors, (358), 81 states have return successors, (351), 347 states have call predecessors, (351), 351 states have call successors, (351) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 17:30:40,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:30:40,513 INFO L93 Difference]: Finished difference Result 4347 states and 6270 transitions. [2022-12-13 17:30:40,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:30:40,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 203 [2022-12-13 17:30:40,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:30:40,547 INFO L225 Difference]: With dead ends: 4347 [2022-12-13 17:30:40,547 INFO L226 Difference]: Without dead ends: 2843 [2022-12-13 17:30:40,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:30:40,566 INFO L413 NwaCegarLoop]: 1753 mSDtfsCounter, 2334 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 2141 mSolverCounterSat, 1028 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2585 SdHoareTripleChecker+Valid, 4025 SdHoareTripleChecker+Invalid, 3169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1028 IncrementalHoareTripleChecker+Valid, 2141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:30:40,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2585 Valid, 4025 Invalid, 3169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1028 Valid, 2141 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 17:30:40,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2022-12-13 17:30:40,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2571. [2022-12-13 17:30:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 1825 states have (on average 1.2783561643835617) internal successors, (2333), 1851 states have internal predecessors, (2333), 589 states have call successors, (589), 156 states have call predecessors, (589), 156 states have return successors, (589), 579 states have call predecessors, (589), 589 states have call successors, (589) [2022-12-13 17:30:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 3511 transitions. [2022-12-13 17:30:40,719 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 3511 transitions. Word has length 203 [2022-12-13 17:30:40,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:30:40,720 INFO L495 AbstractCegarLoop]: Abstraction has 2571 states and 3511 transitions. [2022-12-13 17:30:40,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 17:30:40,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3511 transitions. [2022-12-13 17:30:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-12-13 17:30:40,724 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:30:40,724 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:30:40,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:30:40,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:30:40,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:30:40,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1775116566, now seen corresponding path program 1 times [2022-12-13 17:30:40,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:30:40,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734776699] [2022-12-13 17:30:40,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:30:40,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:30:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:30:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:40,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:40,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:30:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:40,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:30:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:40,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:40,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:30:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:40,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:40,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:30:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:30:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:30:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:30:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:30:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:30:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:30:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:30:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:30:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:30:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:30:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:30:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 17:30:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-12-13 17:30:41,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:30:41,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734776699] [2022-12-13 17:30:41,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734776699] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:30:41,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:30:41,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:30:41,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515594399] [2022-12-13 17:30:41,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:30:41,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:30:41,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:30:41,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:30:41,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:30:41,154 INFO L87 Difference]: Start difference. First operand 2571 states and 3511 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 17:30:43,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:30:43,962 INFO L93 Difference]: Finished difference Result 7336 states and 10160 transitions. [2022-12-13 17:30:43,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:30:43,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 209 [2022-12-13 17:30:43,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:30:43,981 INFO L225 Difference]: With dead ends: 7336 [2022-12-13 17:30:43,981 INFO L226 Difference]: Without dead ends: 4800 [2022-12-13 17:30:43,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:30:43,989 INFO L413 NwaCegarLoop]: 1785 mSDtfsCounter, 1890 mSDsluCounter, 2284 mSDsCounter, 0 mSdLazyCounter, 2045 mSolverCounterSat, 792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 4069 SdHoareTripleChecker+Invalid, 2837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 792 IncrementalHoareTripleChecker+Valid, 2045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:30:43,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 4069 Invalid, 2837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [792 Valid, 2045 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 17:30:43,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4800 states. [2022-12-13 17:30:44,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4800 to 4345. [2022-12-13 17:30:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4345 states, 3098 states have (on average 1.2756617172369271) internal successors, (3952), 3148 states have internal predecessors, (3952), 971 states have call successors, (971), 275 states have call predecessors, (971), 275 states have return successors, (971), 947 states have call predecessors, (971), 971 states have call successors, (971) [2022-12-13 17:30:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 5894 transitions. [2022-12-13 17:30:44,136 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 5894 transitions. Word has length 209 [2022-12-13 17:30:44,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:30:44,136 INFO L495 AbstractCegarLoop]: Abstraction has 4345 states and 5894 transitions. [2022-12-13 17:30:44,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 17:30:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 5894 transitions. [2022-12-13 17:30:44,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-12-13 17:30:44,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:30:44,140 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 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] [2022-12-13 17:30:44,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:30:44,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:30:44,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:30:44,141 INFO L85 PathProgramCache]: Analyzing trace with hash 22334227, now seen corresponding path program 1 times [2022-12-13 17:30:44,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:30:44,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924209761] [2022-12-13 17:30:44,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:30:44,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:30:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:30:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:30:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:30:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:30:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:30:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:30:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:30:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:30:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:30:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:30:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:30:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:30:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:30:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:30:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:30:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:30:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 17:30:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 17:30:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 17:30:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:44,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2022-12-13 17:30:44,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:30:44,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924209761] [2022-12-13 17:30:44,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924209761] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:30:44,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:30:44,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:30:44,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365671049] [2022-12-13 17:30:44,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:30:44,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:30:44,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:30:44,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:30:44,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:30:44,635 INFO L87 Difference]: Start difference. First operand 4345 states and 5894 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 17:30:47,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:30:47,188 INFO L93 Difference]: Finished difference Result 11163 states and 15334 transitions. [2022-12-13 17:30:47,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:30:47,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2022-12-13 17:30:47,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:30:47,211 INFO L225 Difference]: With dead ends: 11163 [2022-12-13 17:30:47,211 INFO L226 Difference]: Without dead ends: 6853 [2022-12-13 17:30:47,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:30:47,221 INFO L413 NwaCegarLoop]: 1598 mSDtfsCounter, 2335 mSDsluCounter, 2169 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 973 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 3767 SdHoareTripleChecker+Invalid, 2832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 973 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:30:47,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2564 Valid, 3767 Invalid, 2832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [973 Valid, 1859 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 17:30:47,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6853 states. [2022-12-13 17:30:47,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6853 to 6181. [2022-12-13 17:30:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6181 states, 4411 states have (on average 1.2731806846520064) internal successors, (5616), 4484 states have internal predecessors, (5616), 1359 states have call successors, (1359), 410 states have call predecessors, (1359), 410 states have return successors, (1359), 1325 states have call predecessors, (1359), 1359 states have call successors, (1359) [2022-12-13 17:30:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6181 states to 6181 states and 8334 transitions. [2022-12-13 17:30:47,455 INFO L78 Accepts]: Start accepts. Automaton has 6181 states and 8334 transitions. Word has length 225 [2022-12-13 17:30:47,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:30:47,456 INFO L495 AbstractCegarLoop]: Abstraction has 6181 states and 8334 transitions. [2022-12-13 17:30:47,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 17:30:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 6181 states and 8334 transitions. [2022-12-13 17:30:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-12-13 17:30:47,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:30:47,459 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:30:47,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:30:47,460 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:30:47,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:30:47,460 INFO L85 PathProgramCache]: Analyzing trace with hash 241435009, now seen corresponding path program 1 times [2022-12-13 17:30:47,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:30:47,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582309978] [2022-12-13 17:30:47,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:30:47,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:30:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:30:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:30:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:30:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:30:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:30:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:30:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:30:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:30:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:30:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:30:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:30:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:30:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:30:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:30:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:30:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:30:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 17:30:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 17:30:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 17:30:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2022-12-13 17:30:47,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:30:47,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582309978] [2022-12-13 17:30:47,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582309978] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:30:47,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:30:47,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:30:47,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540407724] [2022-12-13 17:30:47,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:30:47,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:30:47,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:30:47,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:30:47,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:30:47,912 INFO L87 Difference]: Start difference. First operand 6181 states and 8334 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 17:30:50,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:30:50,859 INFO L93 Difference]: Finished difference Result 16520 states and 22629 transitions. [2022-12-13 17:30:50,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:30:50,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 232 [2022-12-13 17:30:50,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:30:50,892 INFO L225 Difference]: With dead ends: 16520 [2022-12-13 17:30:50,892 INFO L226 Difference]: Without dead ends: 10374 [2022-12-13 17:30:50,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:30:50,909 INFO L413 NwaCegarLoop]: 2456 mSDtfsCounter, 2335 mSDsluCounter, 2768 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 5224 SdHoareTripleChecker+Invalid, 3022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:30:50,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 5224 Invalid, 3022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [787 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 17:30:50,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10374 states. [2022-12-13 17:30:51,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10374 to 9383. [2022-12-13 17:30:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9383 states, 6700 states have (on average 1.2723880597014925) internal successors, (8525), 6809 states have internal predecessors, (8525), 2061 states have call successors, (2061), 621 states have call predecessors, (2061), 621 states have return successors, (2061), 2009 states have call predecessors, (2061), 2061 states have call successors, (2061) [2022-12-13 17:30:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9383 states to 9383 states and 12647 transitions. [2022-12-13 17:30:51,379 INFO L78 Accepts]: Start accepts. Automaton has 9383 states and 12647 transitions. Word has length 232 [2022-12-13 17:30:51,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:30:51,380 INFO L495 AbstractCegarLoop]: Abstraction has 9383 states and 12647 transitions. [2022-12-13 17:30:51,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 17:30:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 9383 states and 12647 transitions. [2022-12-13 17:30:51,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-12-13 17:30:51,385 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:30:51,385 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:30:51,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:30:51,386 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:30:51,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:30:51,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1859845478, now seen corresponding path program 1 times [2022-12-13 17:30:51,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:30:51,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051480808] [2022-12-13 17:30:51,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:30:51,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:30:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:30:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:30:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:30:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:30:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:30:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:30:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:30:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:30:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:30:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:30:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:30:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:30:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:30:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:30:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:30:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:30:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:30:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:30:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:30:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:30:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:30:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:30:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 17:30:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 17:30:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:30:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-12-13 17:30:51,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:30:51,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051480808] [2022-12-13 17:30:51,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051480808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:30:51,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:30:51,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:30:51,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735298946] [2022-12-13 17:30:51,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:30:51,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:30:51,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:30:51,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:30:51,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:30:51,897 INFO L87 Difference]: Start difference. First operand 9383 states and 12647 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 17:30:55,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:30:55,068 INFO L93 Difference]: Finished difference Result 28154 states and 38681 transitions. [2022-12-13 17:30:55,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:30:55,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2022-12-13 17:30:55,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:30:55,138 INFO L225 Difference]: With dead ends: 28154 [2022-12-13 17:30:55,138 INFO L226 Difference]: Without dead ends: 19492 [2022-12-13 17:30:55,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:30:55,159 INFO L413 NwaCegarLoop]: 2721 mSDtfsCounter, 2154 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 2418 mSolverCounterSat, 709 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2390 SdHoareTripleChecker+Valid, 5685 SdHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 709 IncrementalHoareTripleChecker+Valid, 2418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:30:55,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2390 Valid, 5685 Invalid, 3127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [709 Valid, 2418 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 17:30:55,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19492 states. [2022-12-13 17:30:55,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19492 to 17607. [2022-12-13 17:30:55,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17607 states, 12582 states have (on average 1.2741217612462248) internal successors, (16031), 12779 states have internal predecessors, (16031), 3857 states have call successors, (3857), 1167 states have call predecessors, (3857), 1167 states have return successors, (3857), 3769 states have call predecessors, (3857), 3857 states have call successors, (3857) [2022-12-13 17:30:55,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17607 states to 17607 states and 23745 transitions. [2022-12-13 17:30:55,778 INFO L78 Accepts]: Start accepts. Automaton has 17607 states and 23745 transitions. Word has length 284 [2022-12-13 17:30:55,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:30:55,779 INFO L495 AbstractCegarLoop]: Abstraction has 17607 states and 23745 transitions. [2022-12-13 17:30:55,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 17:30:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand 17607 states and 23745 transitions. [2022-12-13 17:30:55,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-12-13 17:30:55,786 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:30:55,786 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:30:55,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 17:30:55,786 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:30:55,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:30:55,786 INFO L85 PathProgramCache]: Analyzing trace with hash -598928228, now seen corresponding path program 1 times [2022-12-13 17:30:55,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:30:55,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075441631] [2022-12-13 17:30:55,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:30:55,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:30:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:30:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:30:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:30:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:30:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:30:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:30:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:30:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:30:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:30:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:30:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:30:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:30:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:30:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:30:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:30:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:30:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:30:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:30:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:30:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:30:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:30:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:30:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:30:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-12-13 17:30:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 17:30:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:30:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:30:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-12-13 17:30:56,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:30:56,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075441631] [2022-12-13 17:30:56,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075441631] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:30:56,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:30:56,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:30:56,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137576880] [2022-12-13 17:30:56,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:30:56,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:30:56,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:30:56,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:30:56,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:30:56,300 INFO L87 Difference]: Start difference. First operand 17607 states and 23745 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 17:30:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:30:59,678 INFO L93 Difference]: Finished difference Result 45508 states and 62407 transitions. [2022-12-13 17:30:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:30:59,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2022-12-13 17:30:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:30:59,766 INFO L225 Difference]: With dead ends: 45508 [2022-12-13 17:30:59,766 INFO L226 Difference]: Without dead ends: 28550 [2022-12-13 17:30:59,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:30:59,803 INFO L413 NwaCegarLoop]: 2728 mSDtfsCounter, 2150 mSDsluCounter, 2971 mSDsCounter, 0 mSdLazyCounter, 2419 mSolverCounterSat, 707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 5699 SdHoareTripleChecker+Invalid, 3126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 707 IncrementalHoareTripleChecker+Valid, 2419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:30:59,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 5699 Invalid, 3126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [707 Valid, 2419 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 17:30:59,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28550 states. [2022-12-13 17:31:00,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28550 to 25767. [2022-12-13 17:31:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25767 states, 18400 states have (on average 1.2752717391304347) internal successors, (23465), 18685 states have internal predecessors, (23465), 5653 states have call successors, (5653), 1713 states have call predecessors, (5653), 1713 states have return successors, (5653), 5529 states have call predecessors, (5653), 5653 states have call successors, (5653) [2022-12-13 17:31:00,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25767 states to 25767 states and 34771 transitions. [2022-12-13 17:31:00,865 INFO L78 Accepts]: Start accepts. Automaton has 25767 states and 34771 transitions. Word has length 284 [2022-12-13 17:31:00,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:31:00,866 INFO L495 AbstractCegarLoop]: Abstraction has 25767 states and 34771 transitions. [2022-12-13 17:31:00,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 17:31:00,866 INFO L276 IsEmpty]: Start isEmpty. Operand 25767 states and 34771 transitions. [2022-12-13 17:31:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-12-13 17:31:00,871 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:31:00,871 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:31:00,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 17:31:00,872 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:31:00,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:31:00,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1035997549, now seen corresponding path program 1 times [2022-12-13 17:31:00,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:31:00,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742509347] [2022-12-13 17:31:00,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:31:00,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:31:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:31:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:31:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:31:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:31:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:31:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:31:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:31:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:31:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:31:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:31:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:31:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:31:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:31:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:31:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:31:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:31:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-12-13 17:31:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:31:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 17:31:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 17:31:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 17:31:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 17:31:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 17:31:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:31:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:31:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:31:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-12-13 17:31:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-12-13 17:31:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:01,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2022-12-13 17:31:01,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:31:01,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742509347] [2022-12-13 17:31:01,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742509347] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:31:01,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:31:01,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:31:01,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552737157] [2022-12-13 17:31:01,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:31:01,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:31:01,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:31:01,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:31:01,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:31:01,469 INFO L87 Difference]: Start difference. First operand 25767 states and 34771 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 17:31:06,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:31:06,668 INFO L93 Difference]: Finished difference Result 73893 states and 101451 transitions. [2022-12-13 17:31:06,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 17:31:06,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 289 [2022-12-13 17:31:06,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:31:06,825 INFO L225 Difference]: With dead ends: 73893 [2022-12-13 17:31:06,826 INFO L226 Difference]: Without dead ends: 48083 [2022-12-13 17:31:06,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:31:06,888 INFO L413 NwaCegarLoop]: 1112 mSDtfsCounter, 3667 mSDsluCounter, 2106 mSDsCounter, 0 mSdLazyCounter, 3507 mSolverCounterSat, 2268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3872 SdHoareTripleChecker+Valid, 3218 SdHoareTripleChecker+Invalid, 5775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2268 IncrementalHoareTripleChecker+Valid, 3507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:31:06,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3872 Valid, 3218 Invalid, 5775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2268 Valid, 3507 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-13 17:31:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48083 states. [2022-12-13 17:31:08,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48083 to 43199. [2022-12-13 17:31:08,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43199 states, 30738 states have (on average 1.2709675320450258) internal successors, (39067), 31217 states have internal predecessors, (39067), 9578 states have call successors, (9578), 2884 states have call predecessors, (9578), 2882 states have return successors, (9574), 9361 states have call predecessors, (9574), 9574 states have call successors, (9574) [2022-12-13 17:31:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43199 states to 43199 states and 58219 transitions. [2022-12-13 17:31:08,599 INFO L78 Accepts]: Start accepts. Automaton has 43199 states and 58219 transitions. Word has length 289 [2022-12-13 17:31:08,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:31:08,600 INFO L495 AbstractCegarLoop]: Abstraction has 43199 states and 58219 transitions. [2022-12-13 17:31:08,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 17:31:08,600 INFO L276 IsEmpty]: Start isEmpty. Operand 43199 states and 58219 transitions. [2022-12-13 17:31:08,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-12-13 17:31:08,603 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:31:08,603 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:31:08,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 17:31:08,604 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:31:08,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:31:08,604 INFO L85 PathProgramCache]: Analyzing trace with hash -5663856, now seen corresponding path program 1 times [2022-12-13 17:31:08,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:31:08,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140400748] [2022-12-13 17:31:08,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:31:08,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:31:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:31:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:31:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:31:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:31:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:31:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:31:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:31:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:31:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:31:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:31:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:31:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:31:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:31:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:31:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:31:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:31:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:31:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:31:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:31:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 17:31:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 17:31:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 17:31:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 17:31:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 17:31:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-12-13 17:31:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:08,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-12-13 17:31:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2022-12-13 17:31:09,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:31:09,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140400748] [2022-12-13 17:31:09,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140400748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:31:09,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:31:09,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:31:09,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367092380] [2022-12-13 17:31:09,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:31:09,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:31:09,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:31:09,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:31:09,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:31:09,005 INFO L87 Difference]: Start difference. First operand 43199 states and 58219 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 17:31:14,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:31:14,579 INFO L93 Difference]: Finished difference Result 116100 states and 158952 transitions. [2022-12-13 17:31:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:31:14,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 299 [2022-12-13 17:31:14,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:31:14,814 INFO L225 Difference]: With dead ends: 116100 [2022-12-13 17:31:14,814 INFO L226 Difference]: Without dead ends: 72968 [2022-12-13 17:31:14,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:31:14,918 INFO L413 NwaCegarLoop]: 2435 mSDtfsCounter, 2186 mSDsluCounter, 2582 mSDsCounter, 0 mSdLazyCounter, 2155 mSolverCounterSat, 782 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2430 SdHoareTripleChecker+Valid, 5017 SdHoareTripleChecker+Invalid, 2937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 782 IncrementalHoareTripleChecker+Valid, 2155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:31:14,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2430 Valid, 5017 Invalid, 2937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [782 Valid, 2155 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 17:31:14,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72968 states. [2022-12-13 17:31:17,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72968 to 64965. [2022-12-13 17:31:17,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64965 states, 46041 states have (on average 1.2647857344540736) internal successors, (58232), 46801 states have internal predecessors, (58232), 14436 states have call successors, (14436), 4490 states have call predecessors, (14436), 4487 states have return successors, (14432), 14092 states have call predecessors, (14432), 14432 states have call successors, (14432) [2022-12-13 17:31:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64965 states to 64965 states and 87100 transitions. [2022-12-13 17:31:17,372 INFO L78 Accepts]: Start accepts. Automaton has 64965 states and 87100 transitions. Word has length 299 [2022-12-13 17:31:17,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:31:17,373 INFO L495 AbstractCegarLoop]: Abstraction has 64965 states and 87100 transitions. [2022-12-13 17:31:17,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 17:31:17,373 INFO L276 IsEmpty]: Start isEmpty. Operand 64965 states and 87100 transitions. [2022-12-13 17:31:17,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-12-13 17:31:17,380 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:31:17,380 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:31:17,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 17:31:17,381 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:31:17,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:31:17,381 INFO L85 PathProgramCache]: Analyzing trace with hash -342188523, now seen corresponding path program 1 times [2022-12-13 17:31:17,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:31:17,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090097700] [2022-12-13 17:31:17,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:31:17,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:31:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:31:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:31:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:31:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:31:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:31:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:31:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:31:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:31:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:31:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:31:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:31:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:31:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:31:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:31:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:31:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:31:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:31:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:31:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:31:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:31:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:31:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:31:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:31:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:31:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:31:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:31:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:31:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 17:31:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-12-13 17:31:17,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:31:17,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090097700] [2022-12-13 17:31:17,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090097700] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:31:17,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:31:17,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:31:17,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808941281] [2022-12-13 17:31:17,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:31:17,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:31:17,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:31:17,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:31:17,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:31:17,848 INFO L87 Difference]: Start difference. First operand 64965 states and 87100 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-13 17:31:24,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:31:24,027 INFO L93 Difference]: Finished difference Result 161661 states and 220394 transitions. [2022-12-13 17:31:24,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:31:24,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 310 [2022-12-13 17:31:24,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:31:24,400 INFO L225 Difference]: With dead ends: 161661 [2022-12-13 17:31:24,400 INFO L226 Difference]: Without dead ends: 96609 [2022-12-13 17:31:24,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:31:24,535 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 2152 mSDsluCounter, 2878 mSDsCounter, 0 mSdLazyCounter, 2394 mSolverCounterSat, 731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2389 SdHoareTripleChecker+Valid, 5491 SdHoareTripleChecker+Invalid, 3125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 731 IncrementalHoareTripleChecker+Valid, 2394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:31:24,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2389 Valid, 5491 Invalid, 3125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [731 Valid, 2394 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 17:31:24,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96609 states. [2022-12-13 17:31:27,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96609 to 64965. [2022-12-13 17:31:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64965 states, 46041 states have (on average 1.2647640146825656) internal successors, (58231), 46801 states have internal predecessors, (58231), 14436 states have call successors, (14436), 4490 states have call predecessors, (14436), 4487 states have return successors, (14432), 14092 states have call predecessors, (14432), 14432 states have call successors, (14432) [2022-12-13 17:31:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64965 states to 64965 states and 87099 transitions. [2022-12-13 17:31:27,893 INFO L78 Accepts]: Start accepts. Automaton has 64965 states and 87099 transitions. Word has length 310 [2022-12-13 17:31:27,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:31:27,894 INFO L495 AbstractCegarLoop]: Abstraction has 64965 states and 87099 transitions. [2022-12-13 17:31:27,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-13 17:31:27,894 INFO L276 IsEmpty]: Start isEmpty. Operand 64965 states and 87099 transitions. [2022-12-13 17:31:27,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-12-13 17:31:27,898 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:31:27,898 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:31:27,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 17:31:27,898 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:31:27,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:31:27,898 INFO L85 PathProgramCache]: Analyzing trace with hash 918728727, now seen corresponding path program 1 times [2022-12-13 17:31:27,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:31:27,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329203726] [2022-12-13 17:31:27,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:31:27,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:31:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:31:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:31:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:31:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:31:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:31:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:31:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:31:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:31:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:31:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:31:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:31:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:31:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:31:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:31:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:31:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:31:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:31:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:31:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:31:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:31:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:31:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:31:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:31:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:31:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:31:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:31:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:31:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-12-13 17:31:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2022-12-13 17:31:28,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:31:28,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329203726] [2022-12-13 17:31:28,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329203726] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:31:28,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:31:28,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:31:28,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073862092] [2022-12-13 17:31:28,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:31:28,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:31:28,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:31:28,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:31:28,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:31:28,237 INFO L87 Difference]: Start difference. First operand 64965 states and 87099 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 17:31:34,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:31:34,909 INFO L93 Difference]: Finished difference Result 168127 states and 228946 transitions. [2022-12-13 17:31:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:31:34,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 310 [2022-12-13 17:31:34,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:31:35,273 INFO L225 Difference]: With dead ends: 168127 [2022-12-13 17:31:35,273 INFO L226 Difference]: Without dead ends: 103259 [2022-12-13 17:31:35,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:31:35,429 INFO L413 NwaCegarLoop]: 2484 mSDtfsCounter, 1907 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 2421 mSolverCounterSat, 703 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 5227 SdHoareTripleChecker+Invalid, 3124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 703 IncrementalHoareTripleChecker+Valid, 2421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:31:35,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 5227 Invalid, 3124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [703 Valid, 2421 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 17:31:35,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103259 states. [2022-12-13 17:31:39,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103259 to 91565. [2022-12-13 17:31:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91565 states, 64920 states have (on average 1.2626309303758472) internal successors, (81970), 66052 states have internal predecessors, (81970), 20166 states have call successors, (20166), 6481 states have call predecessors, (20166), 6478 states have return successors, (20162), 19648 states have call predecessors, (20162), 20162 states have call successors, (20162) [2022-12-13 17:31:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91565 states to 91565 states and 122298 transitions. [2022-12-13 17:31:39,445 INFO L78 Accepts]: Start accepts. Automaton has 91565 states and 122298 transitions. Word has length 310 [2022-12-13 17:31:39,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:31:39,446 INFO L495 AbstractCegarLoop]: Abstraction has 91565 states and 122298 transitions. [2022-12-13 17:31:39,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 17:31:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 91565 states and 122298 transitions. [2022-12-13 17:31:39,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-12-13 17:31:39,452 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:31:39,452 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:31:39,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 17:31:39,452 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:31:39,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:31:39,453 INFO L85 PathProgramCache]: Analyzing trace with hash 279110067, now seen corresponding path program 1 times [2022-12-13 17:31:39,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:31:39,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375919789] [2022-12-13 17:31:39,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:31:39,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:31:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:31:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:31:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:31:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:31:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:31:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:31:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:31:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:31:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:31:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:31:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:31:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:31:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:31:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:31:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:31:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:31:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:31:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:31:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:31:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:31:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:31:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:31:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:31:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:31:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:31:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:31:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:31:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:31:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:31:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 17:31:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2022-12-13 17:31:39,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:31:39,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375919789] [2022-12-13 17:31:39,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375919789] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:31:39,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:31:39,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:31:39,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136619255] [2022-12-13 17:31:39,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:31:39,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:31:39,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:31:39,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:31:39,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:31:39,785 INFO L87 Difference]: Start difference. First operand 91565 states and 122298 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-13 17:31:48,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:31:48,102 INFO L93 Difference]: Finished difference Result 224945 states and 305242 transitions. [2022-12-13 17:31:48,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:31:48,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 330 [2022-12-13 17:31:48,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:31:48,680 INFO L225 Difference]: With dead ends: 224945 [2022-12-13 17:31:48,680 INFO L226 Difference]: Without dead ends: 133369 [2022-12-13 17:31:48,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:31:48,869 INFO L413 NwaCegarLoop]: 2487 mSDtfsCounter, 1906 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 2417 mSolverCounterSat, 701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2139 SdHoareTripleChecker+Valid, 5237 SdHoareTripleChecker+Invalid, 3118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 701 IncrementalHoareTripleChecker+Valid, 2417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:31:48,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2139 Valid, 5237 Invalid, 3118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [701 Valid, 2417 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 17:31:48,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133369 states. [2022-12-13 17:31:53,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133369 to 117993. [2022-12-13 17:31:53,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117993 states, 83649 states have (on average 1.2616409042546832) internal successors, (105535), 85151 states have internal predecessors, (105535), 25880 states have call successors, (25880), 8469 states have call predecessors, (25880), 8463 states have return successors, (25872), 25186 states have call predecessors, (25872), 25872 states have call successors, (25872) [2022-12-13 17:31:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117993 states to 117993 states and 157287 transitions. [2022-12-13 17:31:53,718 INFO L78 Accepts]: Start accepts. Automaton has 117993 states and 157287 transitions. Word has length 330 [2022-12-13 17:31:53,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:31:53,719 INFO L495 AbstractCegarLoop]: Abstraction has 117993 states and 157287 transitions. [2022-12-13 17:31:53,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-13 17:31:53,719 INFO L276 IsEmpty]: Start isEmpty. Operand 117993 states and 157287 transitions. [2022-12-13 17:31:53,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-12-13 17:31:53,726 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:31:53,726 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:31:53,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 17:31:53,726 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:31:53,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:31:53,726 INFO L85 PathProgramCache]: Analyzing trace with hash -564895435, now seen corresponding path program 1 times [2022-12-13 17:31:53,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:31:53,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046715143] [2022-12-13 17:31:53,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:31:53,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:31:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:31:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:31:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:31:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:31:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:31:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:31:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:31:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:31:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:31:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:31:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:31:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:31:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:31:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:31:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:31:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:31:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:31:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:31:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:31:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:31:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:31:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:31:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:53,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:31:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:54,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:31:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:31:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:54,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:31:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:31:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:31:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:31:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:31:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-12-13 17:31:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:31:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2022-12-13 17:31:54,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:31:54,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046715143] [2022-12-13 17:31:54,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046715143] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:31:54,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:31:54,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:31:54,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23741237] [2022-12-13 17:31:54,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:31:54,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:31:54,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:31:54,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:31:54,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:31:54,035 INFO L87 Difference]: Start difference. First operand 117993 states and 157287 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-13 17:32:03,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:32:03,571 INFO L93 Difference]: Finished difference Result 281877 states and 381897 transitions. [2022-12-13 17:32:03,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:32:03,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 330 [2022-12-13 17:32:03,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:32:04,257 INFO L225 Difference]: With dead ends: 281877 [2022-12-13 17:32:04,257 INFO L226 Difference]: Without dead ends: 163981 [2022-12-13 17:32:04,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:32:04,512 INFO L413 NwaCegarLoop]: 2485 mSDtfsCounter, 1954 mSDsluCounter, 2698 mSDsCounter, 0 mSdLazyCounter, 2425 mSolverCounterSat, 706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2188 SdHoareTripleChecker+Valid, 5183 SdHoareTripleChecker+Invalid, 3131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 706 IncrementalHoareTripleChecker+Valid, 2425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:32:04,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2188 Valid, 5183 Invalid, 3131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [706 Valid, 2425 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 17:32:04,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163981 states. [2022-12-13 17:32:10,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163981 to 144915. [2022-12-13 17:32:10,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144915 states, 102747 states have (on average 1.2603093034346502) internal successors, (129493), 104621 states have internal predecessors, (129493), 31682 states have call successors, (31682), 10491 states have call predecessors, (31682), 10485 states have return successors, (31674), 30814 states have call predecessors, (31674), 31674 states have call successors, (31674) [2022-12-13 17:32:10,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144915 states to 144915 states and 192849 transitions. [2022-12-13 17:32:10,883 INFO L78 Accepts]: Start accepts. Automaton has 144915 states and 192849 transitions. Word has length 330 [2022-12-13 17:32:10,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:32:10,883 INFO L495 AbstractCegarLoop]: Abstraction has 144915 states and 192849 transitions. [2022-12-13 17:32:10,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-13 17:32:10,883 INFO L276 IsEmpty]: Start isEmpty. Operand 144915 states and 192849 transitions. [2022-12-13 17:32:10,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-12-13 17:32:10,898 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:32:10,899 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 15, 15, 15, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:32:10,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 17:32:10,899 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:32:10,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:32:10,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1515348671, now seen corresponding path program 1 times [2022-12-13 17:32:10,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:32:10,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121923951] [2022-12-13 17:32:10,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:32:10,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:32:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:32:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:32:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:32:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:32:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:32:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:32:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:32:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:32:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:32:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:32:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:32:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:32:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:32:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:32:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:32:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:32:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:32:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:32:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:32:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:32:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:32:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:32:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:32:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:32:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:32:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:32:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:32:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:32:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:32:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:32:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:32:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:32:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 17:32:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 17:32:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-12-13 17:32:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2022-12-13 17:32:11,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:32:11,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121923951] [2022-12-13 17:32:11,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121923951] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:32:11,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:32:11,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:32:11,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489194044] [2022-12-13 17:32:11,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:32:11,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:32:11,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:32:11,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:32:11,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:32:11,348 INFO L87 Difference]: Start difference. First operand 144915 states and 192849 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 17:32:24,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:32:24,245 INFO L93 Difference]: Finished difference Result 380933 states and 520421 transitions. [2022-12-13 17:32:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:32:24,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 375 [2022-12-13 17:32:24,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:32:25,119 INFO L225 Difference]: With dead ends: 380933 [2022-12-13 17:32:25,120 INFO L226 Difference]: Without dead ends: 236115 [2022-12-13 17:32:25,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:32:25,469 INFO L413 NwaCegarLoop]: 2746 mSDtfsCounter, 2889 mSDsluCounter, 5480 mSDsCounter, 0 mSdLazyCounter, 4052 mSolverCounterSat, 961 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3204 SdHoareTripleChecker+Valid, 8226 SdHoareTripleChecker+Invalid, 5013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 961 IncrementalHoareTripleChecker+Valid, 4052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:32:25,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3204 Valid, 8226 Invalid, 5013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [961 Valid, 4052 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 17:32:25,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236115 states. [2022-12-13 17:32:33,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236115 to 171587. [2022-12-13 17:32:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171587 states, 121686 states have (on average 1.259734069654685) internal successors, (153292), 123932 states have internal predecessors, (153292), 37412 states have call successors, (37412), 12494 states have call predecessors, (37412), 12488 states have return successors, (37404), 36370 states have call predecessors, (37404), 37404 states have call successors, (37404) [2022-12-13 17:32:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171587 states to 171587 states and 228108 transitions. [2022-12-13 17:32:34,186 INFO L78 Accepts]: Start accepts. Automaton has 171587 states and 228108 transitions. Word has length 375 [2022-12-13 17:32:34,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:32:34,187 INFO L495 AbstractCegarLoop]: Abstraction has 171587 states and 228108 transitions. [2022-12-13 17:32:34,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 17:32:34,187 INFO L276 IsEmpty]: Start isEmpty. Operand 171587 states and 228108 transitions. [2022-12-13 17:32:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2022-12-13 17:32:34,205 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:32:34,205 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 15, 15, 15, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:32:34,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 17:32:34,206 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:32:34,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:32:34,206 INFO L85 PathProgramCache]: Analyzing trace with hash 681842091, now seen corresponding path program 1 times [2022-12-13 17:32:34,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:32:34,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519502116] [2022-12-13 17:32:34,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:32:34,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:32:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:32:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:32:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:32:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:32:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:32:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:32:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:32:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:32:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:32:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:32:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:32:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:32:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:32:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:32:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:32:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:32:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:32:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:32:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:32:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:32:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:32:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:32:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:32:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:32:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:32:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:32:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:32:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:32:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:32:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:32:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:32:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:32:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:32:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 17:32:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-12-13 17:32:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-12-13 17:32:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:32:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2022-12-13 17:32:34,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:32:34,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519502116] [2022-12-13 17:32:34,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519502116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:32:34,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:32:34,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:32:34,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153369023] [2022-12-13 17:32:34,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:32:34,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:32:34,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:32:34,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:32:34,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:32:34,791 INFO L87 Difference]: Start difference. First operand 171587 states and 228108 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 17:32:51,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:32:51,084 INFO L93 Difference]: Finished difference Result 438141 states and 597340 transitions. [2022-12-13 17:32:51,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:32:51,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 376 [2022-12-13 17:32:51,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:32:52,110 INFO L225 Difference]: With dead ends: 438141 [2022-12-13 17:32:52,110 INFO L226 Difference]: Without dead ends: 266651 [2022-12-13 17:32:52,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:32:52,649 INFO L413 NwaCegarLoop]: 2727 mSDtfsCounter, 2922 mSDsluCounter, 5434 mSDsCounter, 0 mSdLazyCounter, 4052 mSolverCounterSat, 973 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3238 SdHoareTripleChecker+Valid, 8161 SdHoareTripleChecker+Invalid, 5025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 973 IncrementalHoareTripleChecker+Valid, 4052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:32:52,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3238 Valid, 8161 Invalid, 5025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [973 Valid, 4052 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-13 17:32:52,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266651 states. [2022-12-13 17:33:02,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266651 to 198433. [2022-12-13 17:33:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198433 states, 140793 states have (on average 1.2590895854197297) internal successors, (177271), 143411 states have internal predecessors, (177271), 43142 states have call successors, (43142), 14503 states have call predecessors, (43142), 14497 states have return successors, (43134), 41926 states have call predecessors, (43134), 43134 states have call successors, (43134) [2022-12-13 17:33:03,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198433 states to 198433 states and 263547 transitions. [2022-12-13 17:33:03,226 INFO L78 Accepts]: Start accepts. Automaton has 198433 states and 263547 transitions. Word has length 376 [2022-12-13 17:33:03,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:03,226 INFO L495 AbstractCegarLoop]: Abstraction has 198433 states and 263547 transitions. [2022-12-13 17:33:03,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 17:33:03,226 INFO L276 IsEmpty]: Start isEmpty. Operand 198433 states and 263547 transitions. [2022-12-13 17:33:03,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-12-13 17:33:03,245 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:03,245 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 15, 15, 15, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:33:03,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 17:33:03,245 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:33:03,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:03,245 INFO L85 PathProgramCache]: Analyzing trace with hash 670209474, now seen corresponding path program 1 times [2022-12-13 17:33:03,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:03,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959916695] [2022-12-13 17:33:03,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:03,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:33:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:33:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:33:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:33:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:33:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:33:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:33:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:33:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:33:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:33:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:33:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:33:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:33:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:33:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:33:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:33:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:33:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:33:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:33:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:33:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:33:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:33:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:33:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:33:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:33:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:33:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:33:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:33:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:33:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 17:33:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 17:33:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 17:33:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-13 17:33:04,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:04,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959916695] [2022-12-13 17:33:04,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959916695] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:33:04,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919672196] [2022-12-13 17:33:04,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:04,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:33:04,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:33:04,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:33:04,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 17:33:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:04,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 3504 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:33:04,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:33:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2022-12-13 17:33:05,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:33:05,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919672196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:05,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:33:05,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-12-13 17:33:05,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572373616] [2022-12-13 17:33:05,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:05,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:33:05,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:05,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:33:05,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:33:05,039 INFO L87 Difference]: Start difference. First operand 198433 states and 263547 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:33:14,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:14,869 INFO L93 Difference]: Finished difference Result 396769 states and 532989 transitions. [2022-12-13 17:33:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:33:14,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 377 [2022-12-13 17:33:14,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:15,606 INFO L225 Difference]: With dead ends: 396769 [2022-12-13 17:33:15,606 INFO L226 Difference]: Without dead ends: 198433 [2022-12-13 17:33:16,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:33:16,337 INFO L413 NwaCegarLoop]: 1936 mSDtfsCounter, 1767 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:16,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 1936 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:33:16,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198433 states. [2022-12-13 17:33:25,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198433 to 198433. [2022-12-13 17:33:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198433 states, 140793 states have (on average 1.2575554182381226) internal successors, (177055), 143411 states have internal predecessors, (177055), 43142 states have call successors, (43142), 14503 states have call predecessors, (43142), 14497 states have return successors, (43134), 41926 states have call predecessors, (43134), 43134 states have call successors, (43134) [2022-12-13 17:33:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198433 states to 198433 states and 263331 transitions. [2022-12-13 17:33:26,470 INFO L78 Accepts]: Start accepts. Automaton has 198433 states and 263331 transitions. Word has length 377 [2022-12-13 17:33:26,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:26,470 INFO L495 AbstractCegarLoop]: Abstraction has 198433 states and 263331 transitions. [2022-12-13 17:33:26,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:33:26,470 INFO L276 IsEmpty]: Start isEmpty. Operand 198433 states and 263331 transitions. [2022-12-13 17:33:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-12-13 17:33:26,486 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:26,486 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 15, 15, 15, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:33:26,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:33:26,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 17:33:26,689 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:33:26,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:26,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1321215280, now seen corresponding path program 1 times [2022-12-13 17:33:26,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:26,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687712865] [2022-12-13 17:33:26,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:26,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:33:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:33:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:33:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:33:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:33:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:33:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:33:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:33:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:33:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:33:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:33:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:33:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:33:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:33:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:33:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:33:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:33:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:33:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:33:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:33:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:33:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:33:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:33:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:33:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:33:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:33:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:33:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:33:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:33:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 17:33:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 17:33:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 17:33:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-13 17:33:27,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:27,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687712865] [2022-12-13 17:33:27,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687712865] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:33:27,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572140711] [2022-12-13 17:33:27,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:27,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:33:27,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:33:27,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:33:27,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 17:33:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:27,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 3505 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:33:27,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:33:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2022-12-13 17:33:28,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:33:28,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572140711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:28,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:33:28,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-12-13 17:33:28,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605196930] [2022-12-13 17:33:28,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:28,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:33:28,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:28,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:33:28,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:33:28,173 INFO L87 Difference]: Start difference. First operand 198433 states and 263331 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:33:38,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:33:38,488 INFO L93 Difference]: Finished difference Result 396769 states and 532557 transitions. [2022-12-13 17:33:38,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:33:38,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 378 [2022-12-13 17:33:38,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:33:39,239 INFO L225 Difference]: With dead ends: 396769 [2022-12-13 17:33:39,239 INFO L226 Difference]: Without dead ends: 198433 [2022-12-13 17:33:39,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:33:39,782 INFO L413 NwaCegarLoop]: 1935 mSDtfsCounter, 1765 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 1935 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:33:39,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 1935 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:33:39,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198433 states. [2022-12-13 17:33:50,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198433 to 198433. [2022-12-13 17:33:50,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198433 states, 140793 states have (on average 1.2560212510565156) internal successors, (176839), 143411 states have internal predecessors, (176839), 43142 states have call successors, (43142), 14503 states have call predecessors, (43142), 14497 states have return successors, (43134), 41926 states have call predecessors, (43134), 43134 states have call successors, (43134) [2022-12-13 17:33:51,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198433 states to 198433 states and 263115 transitions. [2022-12-13 17:33:51,203 INFO L78 Accepts]: Start accepts. Automaton has 198433 states and 263115 transitions. Word has length 378 [2022-12-13 17:33:51,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:33:51,204 INFO L495 AbstractCegarLoop]: Abstraction has 198433 states and 263115 transitions. [2022-12-13 17:33:51,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:33:51,204 INFO L276 IsEmpty]: Start isEmpty. Operand 198433 states and 263115 transitions. [2022-12-13 17:33:51,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-12-13 17:33:51,221 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:33:51,222 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 15, 15, 15, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:33:51,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 17:33:51,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 17:33:51,424 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:33:51,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:33:51,425 INFO L85 PathProgramCache]: Analyzing trace with hash 142075390, now seen corresponding path program 1 times [2022-12-13 17:33:51,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:33:51,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162639176] [2022-12-13 17:33:51,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:51,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:33:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:33:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:33:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:33:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:33:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:33:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:33:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:33:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:33:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:33:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:33:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:33:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:33:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:33:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:33:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:33:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:33:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:33:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:33:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:33:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:33:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:33:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:33:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:33:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:33:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:33:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:33:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:33:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:33:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:33:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:33:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:33:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:33:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:33:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:51,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 17:33:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 17:33:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:52,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 17:33:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-13 17:33:52,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:33:52,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162639176] [2022-12-13 17:33:52,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162639176] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:33:52,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905531126] [2022-12-13 17:33:52,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:33:52,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:33:52,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:33:52,024 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:33:52,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 17:33:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:33:52,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 3506 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:33:52,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:33:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2022-12-13 17:33:53,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:33:53,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905531126] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:33:53,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:33:53,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-12-13 17:33:53,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886468601] [2022-12-13 17:33:53,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:33:53,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:33:53,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:33:53,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:33:53,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:33:53,112 INFO L87 Difference]: Start difference. First operand 198433 states and 263115 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:34:03,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:34:03,877 INFO L93 Difference]: Finished difference Result 396769 states and 532125 transitions. [2022-12-13 17:34:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:34:03,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 379 [2022-12-13 17:34:03,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:34:04,611 INFO L225 Difference]: With dead ends: 396769 [2022-12-13 17:34:04,611 INFO L226 Difference]: Without dead ends: 198433 [2022-12-13 17:34:05,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:34:05,310 INFO L413 NwaCegarLoop]: 1934 mSDtfsCounter, 1763 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:34:05,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 1934 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:34:05,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198433 states. [2022-12-13 17:34:15,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198433 to 198433. [2022-12-13 17:34:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198433 states, 140793 states have (on average 1.2544870838749085) internal successors, (176623), 143411 states have internal predecessors, (176623), 43142 states have call successors, (43142), 14503 states have call predecessors, (43142), 14497 states have return successors, (43134), 41926 states have call predecessors, (43134), 43134 states have call successors, (43134) [2022-12-13 17:34:16,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198433 states to 198433 states and 262899 transitions. [2022-12-13 17:34:16,336 INFO L78 Accepts]: Start accepts. Automaton has 198433 states and 262899 transitions. Word has length 379 [2022-12-13 17:34:16,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:34:16,337 INFO L495 AbstractCegarLoop]: Abstraction has 198433 states and 262899 transitions. [2022-12-13 17:34:16,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:34:16,338 INFO L276 IsEmpty]: Start isEmpty. Operand 198433 states and 262899 transitions. [2022-12-13 17:34:16,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-12-13 17:34:16,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:34:16,361 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 15, 15, 15, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:34:16,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 17:34:16,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 17:34:16,562 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:34:16,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:34:16,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1937006228, now seen corresponding path program 1 times [2022-12-13 17:34:16,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:34:16,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312146576] [2022-12-13 17:34:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:16,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:34:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:16,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:34:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:34:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:34:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:34:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:34:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:34:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:34:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:34:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:34:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:34:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:34:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:34:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:34:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:34:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:34:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:34:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:34:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:34:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:34:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:34:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:34:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:34:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:34:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:34:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:34:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:34:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:34:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:34:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:34:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:34:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:34:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:34:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 17:34:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 17:34:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 17:34:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-13 17:34:17,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:34:17,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312146576] [2022-12-13 17:34:17,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312146576] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:34:17,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718303435] [2022-12-13 17:34:17,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:17,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:34:17,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:34:17,258 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:34:17,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 17:34:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:17,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 3507 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:34:17,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:34:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2022-12-13 17:34:18,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:34:18,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718303435] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:34:18,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:34:18,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-12-13 17:34:18,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603652975] [2022-12-13 17:34:18,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:34:18,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:34:18,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:34:18,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:34:18,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:34:18,094 INFO L87 Difference]: Start difference. First operand 198433 states and 262899 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:34:30,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:34:30,180 INFO L93 Difference]: Finished difference Result 396769 states and 531693 transitions. [2022-12-13 17:34:30,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:34:30,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 380 [2022-12-13 17:34:30,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:34:30,978 INFO L225 Difference]: With dead ends: 396769 [2022-12-13 17:34:30,978 INFO L226 Difference]: Without dead ends: 198433 [2022-12-13 17:34:31,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:34:31,544 INFO L413 NwaCegarLoop]: 1933 mSDtfsCounter, 1761 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 1933 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:34:31,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 1933 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:34:31,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198433 states. [2022-12-13 17:34:42,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198433 to 198433. [2022-12-13 17:34:42,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198433 states, 140793 states have (on average 1.2529529166933016) internal successors, (176407), 143411 states have internal predecessors, (176407), 43142 states have call successors, (43142), 14503 states have call predecessors, (43142), 14497 states have return successors, (43134), 41926 states have call predecessors, (43134), 43134 states have call successors, (43134) [2022-12-13 17:34:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198433 states to 198433 states and 262683 transitions. [2022-12-13 17:34:43,378 INFO L78 Accepts]: Start accepts. Automaton has 198433 states and 262683 transitions. Word has length 380 [2022-12-13 17:34:43,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:34:43,379 INFO L495 AbstractCegarLoop]: Abstraction has 198433 states and 262683 transitions. [2022-12-13 17:34:43,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:34:43,379 INFO L276 IsEmpty]: Start isEmpty. Operand 198433 states and 262683 transitions. [2022-12-13 17:34:43,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-12-13 17:34:43,400 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:34:43,400 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 15, 15, 15, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:34:43,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 17:34:43,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 17:34:43,603 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:34:43,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:34:43,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1849510342, now seen corresponding path program 1 times [2022-12-13 17:34:43,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:34:43,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175720798] [2022-12-13 17:34:43,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:43,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:34:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:34:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:34:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:34:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:34:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:34:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:34:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:34:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:34:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:34:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:34:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:34:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:34:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:34:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:34:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:34:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:34:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:34:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:34:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:34:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:34:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:34:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:34:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:34:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:34:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:34:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:34:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:34:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:34:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:34:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:34:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:34:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:34:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:34:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 17:34:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 17:34:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 17:34:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-13 17:34:44,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:34:44,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175720798] [2022-12-13 17:34:44,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175720798] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:34:44,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11625960] [2022-12-13 17:34:44,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:44,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:34:44,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:34:44,163 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:34:44,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 17:34:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:44,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 3508 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:34:44,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:34:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2022-12-13 17:34:45,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:34:45,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11625960] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:34:45,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:34:45,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-12-13 17:34:45,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276487141] [2022-12-13 17:34:45,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:34:45,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:34:45,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:34:45,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:34:45,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:34:45,014 INFO L87 Difference]: Start difference. First operand 198433 states and 262683 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:35:05,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:35:05,128 INFO L93 Difference]: Finished difference Result 592729 states and 792851 transitions. [2022-12-13 17:35:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:35:05,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 381 [2022-12-13 17:35:05,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:35:06,958 INFO L225 Difference]: With dead ends: 592729 [2022-12-13 17:35:06,959 INFO L226 Difference]: Without dead ends: 394393 [2022-12-13 17:35:07,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:35:07,596 INFO L413 NwaCegarLoop]: 2464 mSDtfsCounter, 1746 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 4333 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:35:07,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 4333 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:35:07,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394393 states. [2022-12-13 17:35:28,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394393 to 394103. [2022-12-13 17:35:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394103 states, 279992 states have (on average 1.2535929597988513) internal successors, (350996), 285372 states have internal predecessors, (350996), 85764 states have call successors, (85764), 29006 states have call predecessors, (85764), 28346 states have return successors, (87008), 82540 states have call predecessors, (87008), 85748 states have call successors, (87008) [2022-12-13 17:35:30,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394103 states to 394103 states and 523768 transitions. [2022-12-13 17:35:30,749 INFO L78 Accepts]: Start accepts. Automaton has 394103 states and 523768 transitions. Word has length 381 [2022-12-13 17:35:30,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:35:30,750 INFO L495 AbstractCegarLoop]: Abstraction has 394103 states and 523768 transitions. [2022-12-13 17:35:30,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:35:30,750 INFO L276 IsEmpty]: Start isEmpty. Operand 394103 states and 523768 transitions. [2022-12-13 17:35:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-12-13 17:35:30,770 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:35:30,770 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 15, 15, 15, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:35:30,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 17:35:30,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:35:30,972 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:35:30,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:30,973 INFO L85 PathProgramCache]: Analyzing trace with hash 977378728, now seen corresponding path program 1 times [2022-12-13 17:35:30,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:30,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077854080] [2022-12-13 17:35:30,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:30,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:35:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:35:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:35:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:35:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:35:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:35:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:35:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:35:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:35:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:35:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:35:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:35:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:35:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:35:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:35:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:35:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:35:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:35:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:35:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:35:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:35:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:35:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:35:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:35:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:35:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:35:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:35:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:35:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:35:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:35:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:35:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:35:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:35:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 17:35:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 17:35:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 17:35:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-13 17:35:31,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:35:31,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077854080] [2022-12-13 17:35:31,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077854080] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:35:31,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643548999] [2022-12-13 17:35:31,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:31,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:35:31,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:35:31,563 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:35:31,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 17:35:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:32,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 3509 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:35:32,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:35:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2022-12-13 17:35:32,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:35:32,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643548999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:35:32,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:35:32,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-12-13 17:35:32,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916459134] [2022-12-13 17:35:32,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:35:32,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:35:32,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:35:32,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:35:32,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:35:32,505 INFO L87 Difference]: Start difference. First operand 394103 states and 523768 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:35:55,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:35:55,666 INFO L93 Difference]: Finished difference Result 788109 states and 1059447 transitions. [2022-12-13 17:35:55,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:35:55,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 382 [2022-12-13 17:35:55,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:35:57,487 INFO L225 Difference]: With dead ends: 788109 [2022-12-13 17:35:57,487 INFO L226 Difference]: Without dead ends: 394103 [2022-12-13 17:35:58,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:35:58,771 INFO L413 NwaCegarLoop]: 1932 mSDtfsCounter, 1758 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:35:58,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 1932 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:35:59,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394103 states. [2022-12-13 17:36:20,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394103 to 394103. [2022-12-13 17:36:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394103 states, 279992 states have (on average 1.252050058573102) internal successors, (350564), 285372 states have internal predecessors, (350564), 85764 states have call successors, (85764), 29006 states have call predecessors, (85764), 28346 states have return successors, (87008), 82540 states have call predecessors, (87008), 85748 states have call successors, (87008) [2022-12-13 17:36:23,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394103 states to 394103 states and 523336 transitions. [2022-12-13 17:36:23,115 INFO L78 Accepts]: Start accepts. Automaton has 394103 states and 523336 transitions. Word has length 382 [2022-12-13 17:36:23,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:36:23,115 INFO L495 AbstractCegarLoop]: Abstraction has 394103 states and 523336 transitions. [2022-12-13 17:36:23,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:36:23,115 INFO L276 IsEmpty]: Start isEmpty. Operand 394103 states and 523336 transitions. [2022-12-13 17:36:23,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-12-13 17:36:23,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:36:23,136 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 15, 15, 15, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:36:23,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 17:36:23,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:36:23,338 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:36:23,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:36:23,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1468856714, now seen corresponding path program 1 times [2022-12-13 17:36:23,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:36:23,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992915211] [2022-12-13 17:36:23,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:36:23,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:36:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:36:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:36:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:36:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:36:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:36:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:36:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:36:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:36:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:36:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:36:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:36:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:36:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:36:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:36:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:36:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:36:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:36:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:36:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:36:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:36:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:36:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:36:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:36:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:36:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:36:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:36:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:36:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:36:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:36:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:36:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:36:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:36:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:36:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 17:36:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 17:36:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 17:36:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-13 17:36:23,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:36:23,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992915211] [2022-12-13 17:36:23,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992915211] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:36:23,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965928457] [2022-12-13 17:36:23,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:36:23,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:36:23,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:36:23,909 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:36:23,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 17:36:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:36:24,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 3510 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:36:24,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:36:24,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2022-12-13 17:36:24,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:36:24,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965928457] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:36:24,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:36:24,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-12-13 17:36:24,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902744489] [2022-12-13 17:36:24,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:36:24,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:36:24,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:36:24,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:36:24,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:36:24,803 INFO L87 Difference]: Start difference. First operand 394103 states and 523336 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:36:49,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:36:49,275 INFO L93 Difference]: Finished difference Result 788109 states and 1058583 transitions. [2022-12-13 17:36:49,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:36:49,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 383 [2022-12-13 17:36:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:36:51,136 INFO L225 Difference]: With dead ends: 788109 [2022-12-13 17:36:51,136 INFO L226 Difference]: Without dead ends: 394103 [2022-12-13 17:36:52,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:36:52,470 INFO L413 NwaCegarLoop]: 1931 mSDtfsCounter, 1756 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:36:52,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 1931 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:36:52,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394103 states. [2022-12-13 17:37:15,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394103 to 394103. [2022-12-13 17:37:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394103 states, 279992 states have (on average 1.2505071573473527) internal successors, (350132), 285372 states have internal predecessors, (350132), 85764 states have call successors, (85764), 29006 states have call predecessors, (85764), 28346 states have return successors, (87008), 82540 states have call predecessors, (87008), 85748 states have call successors, (87008) [2022-12-13 17:37:17,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394103 states to 394103 states and 522904 transitions. [2022-12-13 17:37:17,978 INFO L78 Accepts]: Start accepts. Automaton has 394103 states and 522904 transitions. Word has length 383 [2022-12-13 17:37:17,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:37:17,978 INFO L495 AbstractCegarLoop]: Abstraction has 394103 states and 522904 transitions. [2022-12-13 17:37:17,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:37:17,979 INFO L276 IsEmpty]: Start isEmpty. Operand 394103 states and 522904 transitions. [2022-12-13 17:37:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-12-13 17:37:17,999 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:37:17,999 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 15, 15, 15, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:37:18,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 17:37:18,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-12-13 17:37:18,202 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:37:18,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:37:18,203 INFO L85 PathProgramCache]: Analyzing trace with hash 121772516, now seen corresponding path program 1 times [2022-12-13 17:37:18,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:37:18,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744562973] [2022-12-13 17:37:18,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:37:18,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:37:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:37:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:37:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:37:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:37:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:37:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:37:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:37:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:37:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:37:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:37:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:37:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:37:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:37:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:37:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:37:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:37:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:37:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:37:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:37:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:37:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:37:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:37:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:37:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:37:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:37:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:37:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:37:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:37:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:37:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:37:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:37:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:37:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:37:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 17:37:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 17:37:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 17:37:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:18,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-13 17:37:18,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:37:18,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744562973] [2022-12-13 17:37:18,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744562973] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:37:18,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263371055] [2022-12-13 17:37:18,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:37:18,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:37:18,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:37:18,781 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:37:18,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 17:37:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:19,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 3511 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:37:19,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:37:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2022-12-13 17:37:19,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:37:19,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263371055] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:37:19,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:37:19,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-12-13 17:37:19,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687553230] [2022-12-13 17:37:19,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:37:19,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:37:19,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:37:19,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:37:19,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:37:19,755 INFO L87 Difference]: Start difference. First operand 394103 states and 522904 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:37:45,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:37:45,480 INFO L93 Difference]: Finished difference Result 788109 states and 1057719 transitions. [2022-12-13 17:37:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:37:45,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 384 [2022-12-13 17:37:45,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:37:47,505 INFO L225 Difference]: With dead ends: 788109 [2022-12-13 17:37:47,506 INFO L226 Difference]: Without dead ends: 394103 [2022-12-13 17:37:48,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:37:48,848 INFO L413 NwaCegarLoop]: 1930 mSDtfsCounter, 1754 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:37:48,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 1930 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:37:49,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394103 states. [2022-12-13 17:38:13,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394103 to 394103. [2022-12-13 17:38:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394103 states, 279992 states have (on average 1.2489642561216034) internal successors, (349700), 285372 states have internal predecessors, (349700), 85764 states have call successors, (85764), 29006 states have call predecessors, (85764), 28346 states have return successors, (87008), 82540 states have call predecessors, (87008), 85748 states have call successors, (87008) [2022-12-13 17:38:15,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394103 states to 394103 states and 522472 transitions. [2022-12-13 17:38:15,480 INFO L78 Accepts]: Start accepts. Automaton has 394103 states and 522472 transitions. Word has length 384 [2022-12-13 17:38:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:38:15,481 INFO L495 AbstractCegarLoop]: Abstraction has 394103 states and 522472 transitions. [2022-12-13 17:38:15,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-13 17:38:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 394103 states and 522472 transitions. [2022-12-13 17:38:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-12-13 17:38:15,502 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:38:15,503 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 15, 15, 15, 15, 15, 15, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:38:15,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 17:38:15,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:38:15,705 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:38:15,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:38:15,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1993812302, now seen corresponding path program 1 times [2022-12-13 17:38:15,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:38:15,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423395605] [2022-12-13 17:38:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:38:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:38:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:38:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 17:38:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 17:38:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 17:38:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 17:38:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 17:38:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 17:38:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 17:38:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:38:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 17:38:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 17:38:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 17:38:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 17:38:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 17:38:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 17:38:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 17:38:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 17:38:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 17:38:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 17:38:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 17:38:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 17:38:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 17:38:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 17:38:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 17:38:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 17:38:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-12-13 17:38:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 17:38:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 17:38:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 17:38:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-12-13 17:38:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:38:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:38:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 17:38:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-12-13 17:38:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-12-13 17:38:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-12-13 17:38:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1755 trivial. 0 not checked. [2022-12-13 17:38:16,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:38:16,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423395605] [2022-12-13 17:38:16,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423395605] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:38:16,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263325805] [2022-12-13 17:38:16,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:38:16,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:38:16,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:38:16,428 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:38:16,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d266265d-255c-4335-9d7e-d5916a123f44/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 17:38:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:38:16,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 3512 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:38:16,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:38:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1783 trivial. 0 not checked. [2022-12-13 17:38:17,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:38:17,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263325805] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:38:17,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:38:17,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-12-13 17:38:17,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014722641] [2022-12-13 17:38:17,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:38:17,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:38:17,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:38:17,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:38:17,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:38:17,202 INFO L87 Difference]: Start difference. First operand 394103 states and 522472 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 1 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33)