./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3151b52776d19e2fb44a194d473cc3c38f1eb2b68210144e38eb8a78a9b4d4f9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:51:51,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:51:51,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:51:51,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:51:51,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:51:51,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:51:51,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:51:51,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:51:51,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:51:51,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:51:51,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:51:51,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:51:51,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:51:51,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:51:51,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:51:51,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:51:51,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:51:51,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:51:51,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:51:51,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:51:51,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:51:51,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:51:51,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:51:51,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:51:51,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:51:51,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:51:51,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:51:51,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:51:51,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:51:51,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:51:51,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:51:51,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:51:51,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:51:51,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:51:51,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:51:51,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:51:51,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:51:51,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:51:51,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:51:51,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:51:51,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:51:51,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 15:51:51,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:51:51,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:51:51,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:51:51,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:51:51,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:51:51,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:51:51,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:51:51,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:51:51,170 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:51:51,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:51:51,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:51:51,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:51:51,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:51:51,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:51:51,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:51:51,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:51:51,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:51:51,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:51:51,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:51:51,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:51:51,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:51:51,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:51:51,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:51:51,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:51:51,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:51:51,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:51:51,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:51:51,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:51:51,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:51:51,176 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:51:51,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:51:51,176 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_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3151b52776d19e2fb44a194d473cc3c38f1eb2b68210144e38eb8a78a9b4d4f9 [2022-11-25 15:51:51,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:51:51,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:51:51,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:51:51,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:51:51,534 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:51:51,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i [2022-11-25 15:51:54,733 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:51:55,447 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:51:55,447 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i [2022-11-25 15:51:55,500 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/data/e58328ac1/f5131ddb070243b8b3a70198668703f9/FLAG63ac05844 [2022-11-25 15:51:55,522 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/data/e58328ac1/f5131ddb070243b8b3a70198668703f9 [2022-11-25 15:51:55,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:51:55,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:51:55,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:51:55,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:51:55,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:51:55,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:51:55" (1/1) ... [2022-11-25 15:51:55,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@397a5648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:55, skipping insertion in model container [2022-11-25 15:51:55,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:51:55" (1/1) ... [2022-11-25 15:51:55,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:51:55,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:51:56,584 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-25 15:51:56,594 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-25 15:51:56,639 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 15:51:56,646 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 15:51:56,651 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 15:51:56,657 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 15:51:56,662 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 15:51:56,668 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 15:51:56,687 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 15:51:56,847 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 15:51:56,853 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 15:51:56,854 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 15:51:56,863 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 15:51:56,875 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 15:51:56,883 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 15:51:56,889 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 15:51:56,926 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 15:51:56,933 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:51:56,935 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 15:51:56,963 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 15:51:56,968 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 15:51:56,979 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-11-25 15:51:57,018 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 15:51:57,026 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 15:51:57,027 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:51:57,074 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 15:51:57,075 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 15:51:57,086 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:51:57,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:51:57,140 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:51:57,141 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:51:57,141 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:51:57,142 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:51:57,143 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 15:51:57,240 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 15:51:57,262 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 15:51:57,324 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 15:51:57,434 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,435 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:57,437 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,454 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:57,455 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,462 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,462 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:57,469 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,469 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,470 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,473 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,474 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,477 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,478 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,479 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,481 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,488 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,494 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,499 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,499 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,501 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,503 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,505 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,506 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:51:57,524 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,526 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,541 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 15:51:57,541 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 15:51:57,548 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,549 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,556 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,564 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,569 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,573 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,583 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:57,588 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:57,590 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,591 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:57,592 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:57,603 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,605 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:57,607 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 15:51:57,607 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:57,613 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:51:57,622 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 15:51:57,623 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:51:57,626 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:51:57,627 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 15:51:57,628 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 15:51:57,629 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 15:51:57,629 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:51:57,632 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:51:57,633 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,635 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:51:57,635 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,636 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,636 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 15:51:57,637 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 15:51:57,637 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 15:51:57,638 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 15:51:57,639 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 15:51:57,639 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 15:51:57,641 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 15:51:57,642 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,644 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,645 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 15:51:57,645 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 15:51:57,646 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,646 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 15:51:57,647 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 15:51:57,647 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:51:57,653 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:51:57,669 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:57,677 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:57,691 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:57,697 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-11-25 15:51:57,698 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,698 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,699 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,699 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,700 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,706 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 15:51:57,707 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:57,712 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,713 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,713 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,714 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:57,715 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,715 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:57,715 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,720 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,721 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,721 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:57,722 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:57,722 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,723 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:57,723 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,728 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,728 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,729 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,734 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,734 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,735 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,740 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,741 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,741 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,741 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,747 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-25 15:51:57,748 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-25 15:51:57,756 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,757 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:57,757 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,757 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,758 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,759 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:57,759 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:57,764 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,765 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,765 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,766 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,772 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,774 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,775 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:57,775 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:57,780 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,781 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,782 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,782 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,783 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,783 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:57,784 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,785 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,785 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:57,785 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,790 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:57,791 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:57,791 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 15:51:57,791 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 15:51:57,796 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:57,797 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:57,800 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,805 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:57,813 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,815 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:57,816 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:57,817 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:57,817 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:57,828 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:57,829 WARN L623 FunctionHandler]: Unknown extern function skb_copy_and_csum_dev [2022-11-25 15:51:57,832 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:57,838 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,838 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,839 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,839 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,840 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,841 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,847 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:57,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,850 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:51:57,857 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,859 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,866 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,868 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:57,878 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,880 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,881 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:57,882 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:57,884 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,887 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 15:51:57,888 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:51:57,889 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 15:51:57,889 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 15:51:57,890 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 15:51:57,893 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:57,896 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,897 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,897 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,898 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,898 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,899 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,899 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,899 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,900 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:57,901 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:57,903 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:57,903 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:57,904 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:57,904 WARN L623 FunctionHandler]: Unknown extern function netdev_stats_to_stats64 [2022-11-25 15:51:57,907 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,907 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,909 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,910 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,912 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 15:51:57,913 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 15:51:57,916 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,917 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:57,918 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,918 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,918 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,919 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,919 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,920 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,925 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:51:57,925 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:51:57,926 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:51:57,931 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:57,932 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-25 15:51:57,932 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:57,937 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:57,937 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-25 15:51:57,938 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:57,943 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-25 15:51:57,948 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-11-25 15:51:57,969 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:57,970 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-25 15:51:57,970 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:57,976 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:57,976 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:57,978 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,978 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:57,984 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 15:51:57,984 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 15:51:57,984 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:51:57,990 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,991 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,991 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,992 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,993 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,994 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,994 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,995 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,995 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,995 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,996 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:57,996 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:57,997 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-11-25 15:51:57,997 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 15:51:58,003 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 15:51:58,014 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 15:51:58,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:51:58,035 WARN L623 FunctionHandler]: Unknown extern function dmi_check_system [2022-11-25 15:51:58,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:51:58,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:51:58,434 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 15:51:58,436 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 15:51:58,437 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 15:51:58,445 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 15:51:58,445 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 15:51:58,460 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 15:51:58,469 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 15:51:58,479 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 15:51:58,506 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 15:51:58,506 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 15:51:58,507 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:51:58,508 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 15:51:58,508 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 15:51:58,509 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 15:51:58,509 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:51:58,509 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 15:51:58,510 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 15:51:58,609 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 15:51:58,609 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 15:51:58,640 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:51:58,782 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_48b2f836-d3d8-4115-ae99-d081fac98985/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373299,373312] [2022-11-25 15:51:58,787 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_48b2f836-d3d8-4115-ae99-d081fac98985/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373446,373459] [2022-11-25 15:51:58,788 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_48b2f836-d3d8-4115-ae99-d081fac98985/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373585,373598] [2022-11-25 15:51:58,789 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_48b2f836-d3d8-4115-ae99-d081fac98985/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373743,373756] [2022-11-25 15:51:58,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:51:58,914 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:51:59,031 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-25 15:51:59,032 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-25 15:51:59,033 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 15:51:59,033 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 15:51:59,033 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 15:51:59,034 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 15:51:59,034 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 15:51:59,034 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 15:51:59,035 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 15:51:59,041 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 15:51:59,042 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 15:51:59,042 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 15:51:59,045 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 15:51:59,046 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 15:51:59,047 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 15:51:59,047 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 15:51:59,051 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 15:51:59,052 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:51:59,053 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 15:51:59,055 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 15:51:59,056 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 15:51:59,056 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-11-25 15:51:59,058 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 15:51:59,059 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 15:51:59,059 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:51:59,061 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 15:51:59,062 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 15:51:59,063 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 15:51:59,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:51:59,065 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:51:59,066 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:51:59,066 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:51:59,067 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 15:51:59,067 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 15:51:59,070 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 15:51:59,071 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 15:51:59,073 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 15:51:59,077 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,077 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:59,078 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,080 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:59,081 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,081 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,082 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:59,083 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,083 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,083 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,084 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,085 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,086 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,086 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,087 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,087 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,090 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,091 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,099 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,100 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,100 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,101 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,101 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,102 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,105 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:51:59,106 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,107 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,107 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 15:51:59,108 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 15:51:59,108 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,109 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,110 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,111 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,112 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,114 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,115 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:59,115 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:59,116 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,116 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:59,116 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:59,117 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,118 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:59,119 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 15:51:59,119 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:59,121 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 15:51:59,124 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 15:51:59,124 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:51:59,126 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:51:59,126 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 15:51:59,129 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 15:51:59,130 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 15:51:59,130 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:51:59,131 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 15:51:59,132 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,132 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:51:59,133 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,133 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,134 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 15:51:59,134 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 15:51:59,135 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 15:51:59,135 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 15:51:59,136 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 15:51:59,137 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 15:51:59,139 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 15:51:59,144 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,149 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,150 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 15:51:59,150 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 15:51:59,151 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,152 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 15:51:59,152 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 15:51:59,152 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:51:59,155 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:51:59,159 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:59,161 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:59,165 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:59,166 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-11-25 15:51:59,167 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,167 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,168 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,168 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,169 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,170 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 15:51:59,170 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 15:51:59,171 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,172 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,172 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,173 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:59,173 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,173 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:59,173 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,174 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,174 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,175 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:59,175 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:59,175 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,175 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:59,176 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,176 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,176 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,177 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,177 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,177 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,177 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,178 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,178 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,179 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,179 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,180 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-25 15:51:59,181 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-25 15:51:59,183 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,183 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:59,184 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,185 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,186 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,186 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:59,187 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:59,187 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,187 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,188 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,188 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,188 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,189 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,189 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:59,189 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 15:51:59,190 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,190 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,191 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,191 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,191 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,192 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:59,193 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,193 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,193 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:59,193 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,194 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:59,194 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:59,194 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 15:51:59,195 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 15:51:59,195 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:59,195 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:59,197 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,201 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:59,201 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,203 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:59,204 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:59,205 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:59,205 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:59,207 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:59,207 WARN L623 FunctionHandler]: Unknown extern function skb_copy_and_csum_dev [2022-11-25 15:51:59,209 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:59,211 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,212 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,212 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,212 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,213 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,216 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,217 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:59,219 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,220 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:51:59,222 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,223 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,228 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,229 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:59,232 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,234 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,234 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:59,235 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:59,236 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,238 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 15:51:59,239 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 15:51:59,239 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 15:51:59,240 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 15:51:59,241 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 15:51:59,242 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 15:51:59,245 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,245 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,245 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,246 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,246 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,247 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,247 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,247 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,248 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:59,248 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:59,250 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 15:51:59,250 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:59,250 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:59,251 WARN L623 FunctionHandler]: Unknown extern function netdev_stats_to_stats64 [2022-11-25 15:51:59,253 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,254 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,254 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,254 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,256 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 15:51:59,257 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 15:51:59,258 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,258 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 15:51:59,260 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,261 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,261 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,262 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,262 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,262 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,263 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:51:59,264 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:51:59,264 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 15:51:59,265 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:59,265 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-25 15:51:59,265 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:59,266 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:59,266 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-25 15:51:59,266 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:59,267 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-25 15:51:59,267 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-11-25 15:51:59,270 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 15:51:59,270 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-25 15:51:59,271 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 15:51:59,273 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 15:51:59,273 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 15:51:59,273 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,274 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 15:51:59,275 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 15:51:59,275 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 15:51:59,323 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 15:51:59,324 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,324 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,324 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,324 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,325 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,325 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,326 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,326 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,326 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,326 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,327 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 15:51:59,327 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 15:51:59,327 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-11-25 15:51:59,327 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 15:51:59,328 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 15:51:59,330 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 15:51:59,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:51:59,340 WARN L623 FunctionHandler]: Unknown extern function dmi_check_system [2022-11-25 15:51:59,340 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:51:59,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 15:51:59,349 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 15:51:59,350 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 15:51:59,351 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 15:51:59,356 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 15:51:59,356 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 15:51:59,363 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 15:51:59,369 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 15:51:59,393 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 15:51:59,405 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 15:51:59,405 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 15:51:59,406 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:51:59,406 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 15:51:59,407 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 15:51:59,407 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 15:51:59,407 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 15:51:59,408 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 15:51:59,409 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 15:51:59,413 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 15:51:59,413 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 15:51:59,415 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 15:51:59,420 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_48b2f836-d3d8-4115-ae99-d081fac98985/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373299,373312] [2022-11-25 15:51:59,421 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_48b2f836-d3d8-4115-ae99-d081fac98985/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373446,373459] [2022-11-25 15:51:59,421 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_48b2f836-d3d8-4115-ae99-d081fac98985/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373585,373598] [2022-11-25 15:51:59,421 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_48b2f836-d3d8-4115-ae99-d081fac98985/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373743,373756] [2022-11-25 15:51:59,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:51:59,693 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:51:59,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59 WrapperNode [2022-11-25 15:51:59,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:51:59,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:51:59,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:51:59,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:51:59,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (1/1) ... [2022-11-25 15:51:59,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (1/1) ... [2022-11-25 15:52:00,081 INFO L138 Inliner]: procedures = 469, calls = 2637, calls flagged for inlining = 277, calls inlined = 249, statements flattened = 5824 [2022-11-25 15:52:00,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:52:00,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:52:00,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:52:00,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:52:00,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (1/1) ... [2022-11-25 15:52:00,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (1/1) ... [2022-11-25 15:52:00,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (1/1) ... [2022-11-25 15:52:00,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (1/1) ... [2022-11-25 15:52:00,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (1/1) ... [2022-11-25 15:52:00,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (1/1) ... [2022-11-25 15:52:00,369 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (1/1) ... [2022-11-25 15:52:00,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (1/1) ... [2022-11-25 15:52:00,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:52:00,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:52:00,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:52:00,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:52:00,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (1/1) ... [2022-11-25 15:52:00,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:52:00,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:00,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:00,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b2f836-d3d8-4115-ae99-d081fac98985/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:52:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 15:52:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 15:52:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 15:52:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 15:52:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-25 15:52:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-25 15:52:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 15:52:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 15:52:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 15:52:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 15:52:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 15:52:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 15:52:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2022-11-25 15:52:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2022-11-25 15:52:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 15:52:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 15:52:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 15:52:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 15:52:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-25 15:52:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-25 15:52:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 15:52:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 15:52:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-25 15:52:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-25 15:52:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2022-11-25 15:52:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2022-11-25 15:52:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-25 15:52:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-25 15:52:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-25 15:52:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-25 15:52:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2022-11-25 15:52:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2022-11-25 15:52:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 15:52:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 15:52:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 15:52:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 15:52:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 15:52:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 15:52:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-25 15:52:00,511 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-25 15:52:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 15:52:00,511 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 15:52:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 15:52:00,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 15:52:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-25 15:52:00,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-25 15:52:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 15:52:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-25 15:52:00,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-25 15:52:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2022-11-25 15:52:00,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2022-11-25 15:52:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 15:52:00,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 15:52:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 15:52:00,513 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 15:52:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-25 15:52:00,513 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-25 15:52:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_rbufs [2022-11-25 15:52:00,513 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_rbufs [2022-11-25 15:52:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 15:52:00,514 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 15:52:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 15:52:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 15:52:00,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 15:52:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2022-11-25 15:52:00,515 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2022-11-25 15:52:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 15:52:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 15:52:00,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 15:52:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 15:52:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 15:52:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 15:52:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 15:52:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2022-11-25 15:52:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2022-11-25 15:52:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-25 15:52:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-25 15:52:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 15:52:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 15:52:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 15:52:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 15:52:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2022-11-25 15:52:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2022-11-25 15:52:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown [2022-11-25 15:52:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown [2022-11-25 15:52:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 15:52:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 15:52:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 15:52:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 15:52:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 15:52:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-25 15:52:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-25 15:52:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-25 15:52:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-25 15:52:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:52:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-11-25 15:52:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-11-25 15:52:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 15:52:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 15:52:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 15:52:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 15:52:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 15:52:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 15:52:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-25 15:52:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-25 15:52:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 15:52:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 15:52:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-25 15:52:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-25 15:52:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2022-11-25 15:52:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2022-11-25 15:52:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 15:52:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 15:52:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2022-11-25 15:52:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2022-11-25 15:52:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-25 15:52:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-25 15:52:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-25 15:52:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-25 15:52:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-25 15:52:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-25 15:52:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 15:52:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 15:52:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 15:52:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 15:52:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-25 15:52:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-25 15:52:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 15:52:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 15:52:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2022-11-25 15:52:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2022-11-25 15:52:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2022-11-25 15:52:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2022-11-25 15:52:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-25 15:52:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-25 15:52:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:52:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:52:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-25 15:52:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-25 15:52:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-25 15:52:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-25 15:52:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 15:52:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 15:52:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 15:52:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-25 15:52:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2022-11-25 15:52:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2022-11-25 15:52:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 15:52:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 15:52:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-25 15:52:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-25 15:52:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 15:52:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 15:52:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2022-11-25 15:52:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2022-11-25 15:52:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2022-11-25 15:52:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2022-11-25 15:52:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 15:52:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 15:52:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one [2022-11-25 15:52:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one [2022-11-25 15:52:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-25 15:52:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-25 15:52:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-25 15:52:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-25 15:52:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2022-11-25 15:52:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2022-11-25 15:52:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 15:52:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 15:52:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 15:52:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 15:52:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 15:52:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 15:52:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 15:52:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-25 15:52:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-25 15:52:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 15:52:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2022-11-25 15:52:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2022-11-25 15:52:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2022-11-25 15:52:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2022-11-25 15:52:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 15:52:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-25 15:52:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-25 15:52:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2022-11-25 15:52:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2022-11-25 15:52:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 15:52:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 15:52:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-25 15:52:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-25 15:52:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2022-11-25 15:52:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2022-11-25 15:52:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2022-11-25 15:52:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2022-11-25 15:52:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-25 15:52:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-25 15:52:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 15:52:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 15:52:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 15:52:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 15:52:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-25 15:52:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-25 15:52:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 15:52:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 15:52:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 15:52:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 15:52:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-25 15:52:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-25 15:52:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 15:52:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 15:52:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 15:52:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 15:52:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2022-11-25 15:52:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2022-11-25 15:52:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2022-11-25 15:52:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2022-11-25 15:52:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 15:52:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 15:52:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2022-11-25 15:52:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2022-11-25 15:52:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 15:52:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-25 15:52:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-25 15:52:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 15:52:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 15:52:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-25 15:52:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-25 15:52:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 15:52:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 15:52:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2022-11-25 15:52:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2022-11-25 15:52:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2022-11-25 15:52:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2022-11-25 15:52:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2022-11-25 15:52:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2022-11-25 15:52:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2022-11-25 15:52:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2022-11-25 15:52:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-25 15:52:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-25 15:52:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 15:52:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 15:52:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 15:52:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 15:52:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-25 15:52:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-25 15:52:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2022-11-25 15:52:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2022-11-25 15:52:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2022-11-25 15:52:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2022-11-25 15:52:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 15:52:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 15:52:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-25 15:52:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-25 15:52:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:52:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2022-11-25 15:52:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2022-11-25 15:52:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2022-11-25 15:52:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2022-11-25 15:52:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 15:52:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 15:52:01,636 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:52:01,644 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:52:01,900 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 16:01:16,824 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 16:01:16,926 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:01:16,945 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:01:16,946 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-25 16:01:16,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:01:16 BoogieIcfgContainer [2022-11-25 16:01:16,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:01:16,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:01:16,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:01:16,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:01:16,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:51:55" (1/3) ... [2022-11-25 16:01:16,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37341151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:01:16, skipping insertion in model container [2022-11-25 16:01:16,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:51:59" (2/3) ... [2022-11-25 16:01:16,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37341151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:01:16, skipping insertion in model container [2022-11-25 16:01:16,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:01:16" (3/3) ... [2022-11-25 16:01:16,959 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i [2022-11-25 16:01:16,979 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:01:16,979 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 16:01:17,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:01:17,075 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;@57ccf43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:01:17,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 16:01:17,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 2194 states, 1494 states have (on average 1.2777777777777777) internal successors, (1909), 1542 states have internal predecessors, (1909), 578 states have call successors, (578), 122 states have call predecessors, (578), 121 states have return successors, (569), 556 states have call predecessors, (569), 569 states have call successors, (569) [2022-11-25 16:01:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-25 16:01:17,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:01:17,116 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:01:17,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:01:17,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:01:17,123 INFO L85 PathProgramCache]: Analyzing trace with hash 658020055, now seen corresponding path program 1 times [2022-11-25 16:01:17,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:01:17,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041342898] [2022-11-25 16:01:17,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:01:17,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:01:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:01:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:01:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 16:01:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:01:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 16:01:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 16:01:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 16:01:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:01:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 16:01:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:01:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 16:01:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 16:01:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 16:01:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 16:01:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 16:01:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-25 16:01:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 16:01:20,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:01:20,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041342898] [2022-11-25 16:01:20,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041342898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:01:20,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:01:20,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:01:20,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609053555] [2022-11-25 16:01:20,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:01:20,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:01:20,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:01:20,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:01:20,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:01:20,754 INFO L87 Difference]: Start difference. First operand has 2194 states, 1494 states have (on average 1.2777777777777777) internal successors, (1909), 1542 states have internal predecessors, (1909), 578 states have call successors, (578), 122 states have call predecessors, (578), 121 states have return successors, (569), 556 states have call predecessors, (569), 569 states have call successors, (569) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-25 16:01:22,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:01:25,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:01:42,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:01:42,661 INFO L93 Difference]: Finished difference Result 6456 states and 9205 transitions. [2022-11-25 16:01:42,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:01:42,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 183 [2022-11-25 16:01:42,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:01:42,714 INFO L225 Difference]: With dead ends: 6456 [2022-11-25 16:01:42,715 INFO L226 Difference]: Without dead ends: 4281 [2022-11-25 16:01:42,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:01:42,741 INFO L413 NwaCegarLoop]: 2451 mSDtfsCounter, 3790 mSDsluCounter, 2945 mSDsCounter, 0 mSdLazyCounter, 3068 mSolverCounterSat, 1602 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4279 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 4672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1602 IncrementalHoareTripleChecker+Valid, 3068 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:01:42,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4279 Valid, 5396 Invalid, 4672 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1602 Valid, 3068 Invalid, 2 Unknown, 0 Unchecked, 21.1s Time] [2022-11-25 16:01:42,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2022-11-25 16:01:43,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4187. [2022-11-25 16:01:43,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4187 states, 2846 states have (on average 1.2621222768798313) internal successors, (3592), 2939 states have internal predecessors, (3592), 1100 states have call successors, (1100), 240 states have call predecessors, (1100), 239 states have return successors, (1097), 1071 states have call predecessors, (1097), 1097 states have call successors, (1097) [2022-11-25 16:01:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 4187 states and 5789 transitions. [2022-11-25 16:01:43,124 INFO L78 Accepts]: Start accepts. Automaton has 4187 states and 5789 transitions. Word has length 183 [2022-11-25 16:01:43,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:01:43,127 INFO L495 AbstractCegarLoop]: Abstraction has 4187 states and 5789 transitions. [2022-11-25 16:01:43,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-25 16:01:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 5789 transitions. [2022-11-25 16:01:43,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-25 16:01:43,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:01:43,151 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:01:43,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:01:43,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:01:43,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:01:43,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1759040713, now seen corresponding path program 1 times [2022-11-25 16:01:43,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:01:43,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103833233] [2022-11-25 16:01:43,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:01:43,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:01:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:01:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:01:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 16:01:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:01:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 16:01:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 16:01:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 16:01:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:01:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 16:01:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:01:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 16:01:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 16:01:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 16:01:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 16:01:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:01:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 16:01:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-25 16:01:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-25 16:01:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:01:45,584 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-11-25 16:01:45,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:01:45,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103833233] [2022-11-25 16:01:45,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103833233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:01:45,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:01:45,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:01:45,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789806163] [2022-11-25 16:01:45,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:01:45,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:01:45,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:01:45,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:01:45,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:01:45,589 INFO L87 Difference]: Start difference. First operand 4187 states and 5789 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 16:01:47,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:01:50,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:02:07,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:02:07,888 INFO L93 Difference]: Finished difference Result 10006 states and 13896 transitions. [2022-11-25 16:02:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:02:07,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 204 [2022-11-25 16:02:07,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:02:07,938 INFO L225 Difference]: With dead ends: 10006 [2022-11-25 16:02:07,938 INFO L226 Difference]: Without dead ends: 5852 [2022-11-25 16:02:07,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:02:07,963 INFO L413 NwaCegarLoop]: 2372 mSDtfsCounter, 3399 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 3029 mSolverCounterSat, 1531 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3830 SdHoareTripleChecker+Valid, 5290 SdHoareTripleChecker+Invalid, 4562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1531 IncrementalHoareTripleChecker+Valid, 3029 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-11-25 16:02:07,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3830 Valid, 5290 Invalid, 4562 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1531 Valid, 3029 Invalid, 2 Unknown, 0 Unchecked, 21.7s Time] [2022-11-25 16:02:07,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5852 states. [2022-11-25 16:02:08,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5852 to 5705. [2022-11-25 16:02:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5705 states, 3878 states have (on average 1.2547705002578649) internal successors, (4866), 4004 states have internal predecessors, (4866), 1480 states have call successors, (1480), 347 states have call predecessors, (1480), 345 states have return successors, (1477), 1435 states have call predecessors, (1477), 1477 states have call successors, (1477) [2022-11-25 16:02:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5705 states to 5705 states and 7823 transitions. [2022-11-25 16:02:08,365 INFO L78 Accepts]: Start accepts. Automaton has 5705 states and 7823 transitions. Word has length 204 [2022-11-25 16:02:08,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:02:08,366 INFO L495 AbstractCegarLoop]: Abstraction has 5705 states and 7823 transitions. [2022-11-25 16:02:08,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 16:02:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 5705 states and 7823 transitions. [2022-11-25 16:02:08,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-25 16:02:08,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:02:08,375 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:02:08,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:02:08,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:02:08,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:02:08,376 INFO L85 PathProgramCache]: Analyzing trace with hash 949443933, now seen corresponding path program 1 times [2022-11-25 16:02:08,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:02:08,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644279997] [2022-11-25 16:02:08,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:02:08,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:02:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:02:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:02:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 16:02:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:02:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 16:02:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 16:02:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 16:02:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:02:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 16:02:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:02:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 16:02:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 16:02:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 16:02:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 16:02:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 16:02:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-25 16:02:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:02:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:02:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-25 16:02:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2022-11-25 16:02:10,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:02:10,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644279997] [2022-11-25 16:02:10,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644279997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:02:10,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:02:10,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:02:10,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525170287] [2022-11-25 16:02:10,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:02:10,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:02:10,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:02:10,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:02:10,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:02:10,463 INFO L87 Difference]: Start difference. First operand 5705 states and 7823 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 16:02:12,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:02:14,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:02:31,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:02:31,459 INFO L93 Difference]: Finished difference Result 15301 states and 21145 transitions. [2022-11-25 16:02:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:02:31,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 215 [2022-11-25 16:02:31,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:02:31,519 INFO L225 Difference]: With dead ends: 15301 [2022-11-25 16:02:31,519 INFO L226 Difference]: Without dead ends: 9629 [2022-11-25 16:02:31,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:02:31,545 INFO L413 NwaCegarLoop]: 2438 mSDtfsCounter, 3716 mSDsluCounter, 2943 mSDsCounter, 0 mSdLazyCounter, 3057 mSolverCounterSat, 1593 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4202 SdHoareTripleChecker+Valid, 5381 SdHoareTripleChecker+Invalid, 4652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1593 IncrementalHoareTripleChecker+Valid, 3057 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-25 16:02:31,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4202 Valid, 5381 Invalid, 4652 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1593 Valid, 3057 Invalid, 2 Unknown, 0 Unchecked, 20.4s Time] [2022-11-25 16:02:31,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9629 states. [2022-11-25 16:02:32,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9629 to 9386. [2022-11-25 16:02:32,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9386 states, 6385 states have (on average 1.2529365700861395) internal successors, (8000), 6604 states have internal predecessors, (8000), 2429 states have call successors, (2429), 573 states have call predecessors, (2429), 570 states have return successors, (2426), 2347 states have call predecessors, (2426), 2426 states have call successors, (2426) [2022-11-25 16:02:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9386 states to 9386 states and 12855 transitions. [2022-11-25 16:02:32,089 INFO L78 Accepts]: Start accepts. Automaton has 9386 states and 12855 transitions. Word has length 215 [2022-11-25 16:02:32,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:02:32,091 INFO L495 AbstractCegarLoop]: Abstraction has 9386 states and 12855 transitions. [2022-11-25 16:02:32,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 16:02:32,092 INFO L276 IsEmpty]: Start isEmpty. Operand 9386 states and 12855 transitions. [2022-11-25 16:02:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-25 16:02:32,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:02:32,104 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:02:32,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:02:32,105 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:02:32,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:02:32,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1902891443, now seen corresponding path program 1 times [2022-11-25 16:02:32,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:02:32,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288968486] [2022-11-25 16:02:32,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:02:32,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:02:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:02:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:02:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 16:02:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:02:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 16:02:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 16:02:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 16:02:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:02:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 16:02:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:02:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 16:02:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 16:02:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 16:02:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 16:02:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 16:02:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 16:02:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 16:02:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 16:02:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-25 16:02:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:02:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-25 16:02:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-25 16:02:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-25 16:02:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:02:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2022-11-25 16:02:34,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:02:34,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288968486] [2022-11-25 16:02:34,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288968486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:02:34,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:02:34,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:02:34,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182335102] [2022-11-25 16:02:34,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:02:34,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:02:34,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:02:34,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:02:34,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:02:34,207 INFO L87 Difference]: Start difference. First operand 9386 states and 12855 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-25 16:02:36,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:02:38,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:02:57,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:02:57,142 INFO L93 Difference]: Finished difference Result 24921 states and 34450 transitions. [2022-11-25 16:02:57,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:02:57,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 244 [2022-11-25 16:02:57,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:02:57,244 INFO L225 Difference]: With dead ends: 24921 [2022-11-25 16:02:57,244 INFO L226 Difference]: Without dead ends: 17218 [2022-11-25 16:02:57,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:02:57,285 INFO L413 NwaCegarLoop]: 3768 mSDtfsCounter, 3071 mSDsluCounter, 3818 mSDsCounter, 0 mSdLazyCounter, 3693 mSolverCounterSat, 1122 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3556 SdHoareTripleChecker+Valid, 7586 SdHoareTripleChecker+Invalid, 4817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1122 IncrementalHoareTripleChecker+Valid, 3693 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:02:57,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3556 Valid, 7586 Invalid, 4817 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1122 Valid, 3693 Invalid, 2 Unknown, 0 Unchecked, 22.1s Time] [2022-11-25 16:02:57,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17218 states. [2022-11-25 16:02:58,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17218 to 16802. [2022-11-25 16:02:58,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16802 states, 11437 states have (on average 1.2534755617731923) internal successors, (14336), 11820 states have internal predecessors, (14336), 4340 states have call successors, (4340), 1026 states have call predecessors, (4340), 1023 states have return successors, (4337), 4208 states have call predecessors, (4337), 4337 states have call successors, (4337) [2022-11-25 16:02:58,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16802 states to 16802 states and 23013 transitions. [2022-11-25 16:02:58,342 INFO L78 Accepts]: Start accepts. Automaton has 16802 states and 23013 transitions. Word has length 244 [2022-11-25 16:02:58,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:02:58,342 INFO L495 AbstractCegarLoop]: Abstraction has 16802 states and 23013 transitions. [2022-11-25 16:02:58,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-25 16:02:58,342 INFO L276 IsEmpty]: Start isEmpty. Operand 16802 states and 23013 transitions. [2022-11-25 16:02:58,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-25 16:02:58,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:02:58,355 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:02:58,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:02:58,356 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:02:58,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:02:58,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1840851829, now seen corresponding path program 1 times [2022-11-25 16:02:58,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:02:58,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739413859] [2022-11-25 16:02:58,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:02:58,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:02:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:03:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:03:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 16:03:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:03:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 16:03:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 16:03:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 16:03:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:03:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 16:03:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:03:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 16:03:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 16:03:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 16:03:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 16:03:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 16:03:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 16:03:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 16:03:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 16:03:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-25 16:03:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-25 16:03:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-25 16:03:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-25 16:03:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2022-11-25 16:03:01,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:03:01,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739413859] [2022-11-25 16:03:01,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739413859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:03:01,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:03:01,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:03:01,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083631856] [2022-11-25 16:03:01,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:03:01,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:03:01,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:03:01,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:03:01,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:03:01,898 INFO L87 Difference]: Start difference. First operand 16802 states and 23013 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 16:03:04,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:03:16,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:03:16,728 INFO L93 Difference]: Finished difference Result 17216 states and 23856 transitions. [2022-11-25 16:03:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:03:16,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 244 [2022-11-25 16:03:16,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:03:16,816 INFO L225 Difference]: With dead ends: 17216 [2022-11-25 16:03:16,816 INFO L226 Difference]: Without dead ends: 17161 [2022-11-25 16:03:16,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:03:16,831 INFO L413 NwaCegarLoop]: 2083 mSDtfsCounter, 2992 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 2482 mSolverCounterSat, 1154 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 5030 SdHoareTripleChecker+Invalid, 3637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1154 IncrementalHoareTripleChecker+Valid, 2482 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-11-25 16:03:16,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 5030 Invalid, 3637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1154 Valid, 2482 Invalid, 1 Unknown, 0 Unchecked, 13.6s Time] [2022-11-25 16:03:16,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17161 states. [2022-11-25 16:03:17,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17161 to 16747. [2022-11-25 16:03:17,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16747 states, 11412 states have (on average 1.2529793200140202) internal successors, (14299), 11783 states have internal predecessors, (14299), 4313 states have call successors, (4313), 1021 states have call predecessors, (4313), 1021 states have return successors, (4313), 4195 states have call predecessors, (4313), 4313 states have call successors, (4313) [2022-11-25 16:03:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16747 states to 16747 states and 22925 transitions. [2022-11-25 16:03:17,864 INFO L78 Accepts]: Start accepts. Automaton has 16747 states and 22925 transitions. Word has length 244 [2022-11-25 16:03:17,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:03:17,869 INFO L495 AbstractCegarLoop]: Abstraction has 16747 states and 22925 transitions. [2022-11-25 16:03:17,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 16:03:17,870 INFO L276 IsEmpty]: Start isEmpty. Operand 16747 states and 22925 transitions. [2022-11-25 16:03:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-25 16:03:17,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:03:17,904 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 5, 5, 5, 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] [2022-11-25 16:03:17,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 16:03:17,905 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:03:17,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:03:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1684160984, now seen corresponding path program 1 times [2022-11-25 16:03:17,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:03:17,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639085302] [2022-11-25 16:03:17,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:03:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:03:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:03:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:03:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 16:03:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:03:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 16:03:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 16:03:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 16:03:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:03:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 16:03:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:19,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:03:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 16:03:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 16:03:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 16:03:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 16:03:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 16:03:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 16:03:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 16:03:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 16:03:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 16:03:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-25 16:03:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-25 16:03:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-25 16:03:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-25 16:03:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-25 16:03:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2022-11-25 16:03:20,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:03:20,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639085302] [2022-11-25 16:03:20,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639085302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:03:20,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:03:20,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:03:20,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635817634] [2022-11-25 16:03:20,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:03:20,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:03:20,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:03:20,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:03:20,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:03:20,141 INFO L87 Difference]: Start difference. First operand 16747 states and 22925 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 16:03:22,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:03:24,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:03:42,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:03:42,888 INFO L93 Difference]: Finished difference Result 39335 states and 54242 transitions. [2022-11-25 16:03:42,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:03:42,889 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 273 [2022-11-25 16:03:42,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:03:43,017 INFO L225 Difference]: With dead ends: 39335 [2022-11-25 16:03:43,017 INFO L226 Difference]: Without dead ends: 24271 [2022-11-25 16:03:43,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:03:43,087 INFO L413 NwaCegarLoop]: 3566 mSDtfsCounter, 2721 mSDsluCounter, 3666 mSDsCounter, 0 mSdLazyCounter, 3621 mSolverCounterSat, 1069 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 7232 SdHoareTripleChecker+Invalid, 4692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1069 IncrementalHoareTripleChecker+Valid, 3621 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-11-25 16:03:43,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 7232 Invalid, 4692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1069 Valid, 3621 Invalid, 2 Unknown, 0 Unchecked, 21.5s Time] [2022-11-25 16:03:43,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24271 states. [2022-11-25 16:03:44,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24271 to 23669. [2022-11-25 16:03:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23669 states, 16126 states have (on average 1.2513332506511223) internal successors, (20179), 16649 states have internal predecessors, (20179), 6081 states have call successors, (6081), 1461 states have call predecessors, (6081), 1461 states have return successors, (6081), 5911 states have call predecessors, (6081), 6081 states have call successors, (6081) [2022-11-25 16:03:44,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23669 states to 23669 states and 32341 transitions. [2022-11-25 16:03:44,614 INFO L78 Accepts]: Start accepts. Automaton has 23669 states and 32341 transitions. Word has length 273 [2022-11-25 16:03:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:03:44,615 INFO L495 AbstractCegarLoop]: Abstraction has 23669 states and 32341 transitions. [2022-11-25 16:03:44,616 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 16:03:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 23669 states and 32341 transitions. [2022-11-25 16:03:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-11-25 16:03:44,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:03:44,664 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 14, 14, 14, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:03:44,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 16:03:44,664 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:03:44,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:03:44,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1826636078, now seen corresponding path program 1 times [2022-11-25 16:03:44,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:03:44,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460548710] [2022-11-25 16:03:44,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:03:44,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:03:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:03:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:03:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 16:03:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:03:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 16:03:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 16:03:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 16:03:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:03:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 16:03:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:03:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 16:03:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 16:03:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 16:03:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 16:03:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 16:03:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 16:03:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 16:03:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 16:03:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-25 16:03:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-25 16:03:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-25 16:03:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-25 16:03:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-25 16:03:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-25 16:03:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:03:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:03:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:03:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-25 16:03:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:03:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1119 trivial. 0 not checked. [2022-11-25 16:03:46,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:03:46,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460548710] [2022-11-25 16:03:46,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460548710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:03:46,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:03:46,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:03:46,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387940826] [2022-11-25 16:03:46,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:03:46,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:03:46,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:03:46,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:03:46,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:03:46,852 INFO L87 Difference]: Start difference. First operand 23669 states and 32341 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 16:03:49,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:03:51,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:04:10,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:04:10,469 INFO L93 Difference]: Finished difference Result 57358 states and 78970 transitions. [2022-11-25 16:04:10,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:04:10,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 298 [2022-11-25 16:04:10,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:04:10,621 INFO L225 Difference]: With dead ends: 57358 [2022-11-25 16:04:10,621 INFO L226 Difference]: Without dead ends: 33620 [2022-11-25 16:04:10,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:04:10,694 INFO L413 NwaCegarLoop]: 4025 mSDtfsCounter, 3027 mSDsluCounter, 4002 mSDsCounter, 0 mSdLazyCounter, 3700 mSolverCounterSat, 1035 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3509 SdHoareTripleChecker+Valid, 8027 SdHoareTripleChecker+Invalid, 4737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1035 IncrementalHoareTripleChecker+Valid, 3700 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:04:10,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3509 Valid, 8027 Invalid, 4737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1035 Valid, 3700 Invalid, 2 Unknown, 0 Unchecked, 22.0s Time] [2022-11-25 16:04:10,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33620 states. [2022-11-25 16:04:12,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33620 to 32790. [2022-11-25 16:04:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32790 states, 22324 states have (on average 1.2519261781042823) internal successors, (27948), 23048 states have internal predecessors, (27948), 8439 states have call successors, (8439), 2026 states have call predecessors, (8439), 2026 states have return successors, (8439), 8207 states have call predecessors, (8439), 8439 states have call successors, (8439) [2022-11-25 16:04:12,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32790 states to 32790 states and 44826 transitions. [2022-11-25 16:04:12,632 INFO L78 Accepts]: Start accepts. Automaton has 32790 states and 44826 transitions. Word has length 298 [2022-11-25 16:04:12,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:04:12,633 INFO L495 AbstractCegarLoop]: Abstraction has 32790 states and 44826 transitions. [2022-11-25 16:04:12,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 16:04:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 32790 states and 44826 transitions. [2022-11-25 16:04:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-25 16:04:12,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:04:12,695 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 14, 14, 14, 14, 14, 14, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:04:12,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 16:04:12,695 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:04:12,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:04:12,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1143346082, now seen corresponding path program 1 times [2022-11-25 16:04:12,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:04:12,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250637788] [2022-11-25 16:04:12,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:04:12,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:04:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:04:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:04:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 16:04:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:04:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 16:04:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 16:04:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 16:04:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:04:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 16:04:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:14,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:04:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 16:04:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 16:04:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 16:04:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 16:04:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 16:04:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 16:04:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 16:04:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 16:04:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-25 16:04:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-25 16:04:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-25 16:04:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-25 16:04:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-25 16:04:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-25 16:04:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-25 16:04:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-25 16:04:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-25 16:04:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:04:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:04:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-25 16:04:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:15,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 1271 trivial. 0 not checked. [2022-11-25 16:04:15,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:04:15,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250637788] [2022-11-25 16:04:15,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250637788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:04:15,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:04:15,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:04:15,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870180272] [2022-11-25 16:04:15,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:04:15,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:04:15,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:04:15,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:04:15,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:04:15,189 INFO L87 Difference]: Start difference. First operand 32790 states and 44826 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 16:04:17,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:04:19,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:04:39,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:04:39,274 INFO L93 Difference]: Finished difference Result 75794 states and 104335 transitions. [2022-11-25 16:04:39,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:04:39,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 324 [2022-11-25 16:04:39,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:04:39,630 INFO L225 Difference]: With dead ends: 75794 [2022-11-25 16:04:39,630 INFO L226 Difference]: Without dead ends: 42971 [2022-11-25 16:04:39,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:04:39,761 INFO L413 NwaCegarLoop]: 4026 mSDtfsCounter, 3025 mSDsluCounter, 4003 mSDsCounter, 0 mSdLazyCounter, 3688 mSolverCounterSat, 1030 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3506 SdHoareTripleChecker+Valid, 8029 SdHoareTripleChecker+Invalid, 4720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1030 IncrementalHoareTripleChecker+Valid, 3688 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-11-25 16:04:39,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3506 Valid, 8029 Invalid, 4720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1030 Valid, 3688 Invalid, 2 Unknown, 0 Unchecked, 22.0s Time] [2022-11-25 16:04:39,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42971 states. [2022-11-25 16:04:41,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42971 to 32790. [2022-11-25 16:04:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32790 states, 22324 states have (on average 1.2518813832646478) internal successors, (27947), 23048 states have internal predecessors, (27947), 8439 states have call successors, (8439), 2026 states have call predecessors, (8439), 2026 states have return successors, (8439), 8207 states have call predecessors, (8439), 8439 states have call successors, (8439) [2022-11-25 16:04:42,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32790 states to 32790 states and 44825 transitions. [2022-11-25 16:04:42,148 INFO L78 Accepts]: Start accepts. Automaton has 32790 states and 44825 transitions. Word has length 324 [2022-11-25 16:04:42,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:04:42,149 INFO L495 AbstractCegarLoop]: Abstraction has 32790 states and 44825 transitions. [2022-11-25 16:04:42,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 16:04:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 32790 states and 44825 transitions. [2022-11-25 16:04:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-25 16:04:42,192 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:04:42,193 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 14, 14, 14, 14, 14, 14, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:04:42,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 16:04:42,193 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:04:42,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:04:42,194 INFO L85 PathProgramCache]: Analyzing trace with hash 843616, now seen corresponding path program 1 times [2022-11-25 16:04:42,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:04:42,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574332103] [2022-11-25 16:04:42,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:04:42,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:04:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:04:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:04:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 16:04:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:04:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 16:04:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 16:04:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 16:04:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:04:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 16:04:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:04:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 16:04:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 16:04:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 16:04:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 16:04:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 16:04:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 16:04:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 16:04:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 16:04:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-25 16:04:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-25 16:04:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-25 16:04:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-25 16:04:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-25 16:04:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-25 16:04:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-25 16:04:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-25 16:04:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-25 16:04:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:04:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:04:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:04:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-25 16:04:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:04:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2022-11-25 16:04:44,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:04:44,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574332103] [2022-11-25 16:04:44,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574332103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:04:44,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:04:44,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:04:44,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113117530] [2022-11-25 16:04:44,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:04:44,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:04:44,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:04:44,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:04:44,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:04:44,685 INFO L87 Difference]: Start difference. First operand 32790 states and 44825 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 16:04:46,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:04:49,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:05:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:05:10,297 INFO L93 Difference]: Finished difference Result 81149 states and 111764 transitions. [2022-11-25 16:05:10,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:05:10,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 324 [2022-11-25 16:05:10,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:05:10,546 INFO L225 Difference]: With dead ends: 81149 [2022-11-25 16:05:10,546 INFO L226 Difference]: Without dead ends: 50042 [2022-11-25 16:05:10,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:05:10,781 INFO L413 NwaCegarLoop]: 4000 mSDtfsCounter, 2987 mSDsluCounter, 3962 mSDsCounter, 0 mSdLazyCounter, 3706 mSolverCounterSat, 1036 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3468 SdHoareTripleChecker+Valid, 7962 SdHoareTripleChecker+Invalid, 4744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1036 IncrementalHoareTripleChecker+Valid, 3706 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-11-25 16:05:10,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3468 Valid, 7962 Invalid, 4744 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1036 Valid, 3706 Invalid, 2 Unknown, 0 Unchecked, 22.8s Time] [2022-11-25 16:05:10,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50042 states. [2022-11-25 16:05:13,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50042 to 48792. [2022-11-25 16:05:13,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48792 states, 33217 states have (on average 1.2511063612005902) internal successors, (41558), 34306 states have internal predecessors, (41558), 12552 states have call successors, (12552), 3022 states have call predecessors, (12552), 3022 states have return successors, (12552), 12201 states have call predecessors, (12552), 12552 states have call successors, (12552) [2022-11-25 16:05:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48792 states to 48792 states and 66662 transitions. [2022-11-25 16:05:13,524 INFO L78 Accepts]: Start accepts. Automaton has 48792 states and 66662 transitions. Word has length 324 [2022-11-25 16:05:13,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:05:13,529 INFO L495 AbstractCegarLoop]: Abstraction has 48792 states and 66662 transitions. [2022-11-25 16:05:13,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 16:05:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 48792 states and 66662 transitions. [2022-11-25 16:05:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-11-25 16:05:13,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:05:13,624 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:05:13,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 16:05:13,625 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:05:13,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:05:13,626 INFO L85 PathProgramCache]: Analyzing trace with hash -42879490, now seen corresponding path program 1 times [2022-11-25 16:05:13,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:05:13,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823338494] [2022-11-25 16:05:13,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:05:13,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:05:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:05:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:05:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 16:05:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:05:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 16:05:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 16:05:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 16:05:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:05:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 16:05:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:05:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 16:05:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 16:05:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 16:05:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 16:05:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 16:05:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 16:05:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 16:05:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 16:05:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 16:05:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-25 16:05:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-25 16:05:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-25 16:05:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-25 16:05:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:05:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:15,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:05:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:16,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-25 16:05:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:05:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:16,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:05:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:16,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-25 16:05:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:16,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-25 16:05:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-25 16:05:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:16,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-11-25 16:05:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1274 trivial. 0 not checked. [2022-11-25 16:05:16,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:05:16,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823338494] [2022-11-25 16:05:16,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823338494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:05:16,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:05:16,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:05:16,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19762397] [2022-11-25 16:05:16,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:05:16,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:05:16,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:05:16,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:05:16,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:05:16,065 INFO L87 Difference]: Start difference. First operand 48792 states and 66662 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 16:05:18,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:05:20,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:05:41,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:05:41,545 INFO L93 Difference]: Finished difference Result 112823 states and 155189 transitions. [2022-11-25 16:05:41,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:05:41,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 347 [2022-11-25 16:05:41,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:05:41,941 INFO L225 Difference]: With dead ends: 112823 [2022-11-25 16:05:41,941 INFO L226 Difference]: Without dead ends: 64024 [2022-11-25 16:05:42,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:05:42,094 INFO L413 NwaCegarLoop]: 3674 mSDtfsCounter, 2702 mSDsluCounter, 3752 mSDsCounter, 0 mSdLazyCounter, 3640 mSolverCounterSat, 1035 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3129 SdHoareTripleChecker+Valid, 7426 SdHoareTripleChecker+Invalid, 4677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1035 IncrementalHoareTripleChecker+Valid, 3640 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-11-25 16:05:42,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3129 Valid, 7426 Invalid, 4677 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1035 Valid, 3640 Invalid, 2 Unknown, 0 Unchecked, 22.2s Time] [2022-11-25 16:05:42,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64024 states. [2022-11-25 16:05:45,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64024 to 62409. [2022-11-25 16:05:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62409 states, 42482 states have (on average 1.2502471635045431) internal successors, (53113), 43874 states have internal predecessors, (53113), 16037 states have call successors, (16037), 3889 states have call predecessors, (16037), 3889 states have return successors, (16037), 15583 states have call predecessors, (16037), 16037 states have call successors, (16037) [2022-11-25 16:05:45,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62409 states to 62409 states and 85187 transitions. [2022-11-25 16:05:45,448 INFO L78 Accepts]: Start accepts. Automaton has 62409 states and 85187 transitions. Word has length 347 [2022-11-25 16:05:45,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:05:45,449 INFO L495 AbstractCegarLoop]: Abstraction has 62409 states and 85187 transitions. [2022-11-25 16:05:45,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 16:05:45,450 INFO L276 IsEmpty]: Start isEmpty. Operand 62409 states and 85187 transitions. [2022-11-25 16:05:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-11-25 16:05:45,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:05:45,498 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:05:45,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 16:05:45,499 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:05:45,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:05:45,499 INFO L85 PathProgramCache]: Analyzing trace with hash -395967872, now seen corresponding path program 1 times [2022-11-25 16:05:45,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:05:45,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287685265] [2022-11-25 16:05:45,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:05:45,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:05:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 16:05:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:05:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 16:05:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 16:05:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 16:05:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 16:05:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 16:05:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 16:05:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:48,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 16:05:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 16:05:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 16:05:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 16:05:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 16:05:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 16:05:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 16:05:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-25 16:05:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-25 16:05:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-25 16:05:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 16:05:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-25 16:05:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-25 16:05:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-25 16:05:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-25 16:05:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:05:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:05:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-25 16:05:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 16:05:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 16:05:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 16:05:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-25 16:05:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-25 16:05:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-25 16:05:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-11-25 16:05:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:05:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2022-11-25 16:05:49,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:05:49,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287685265] [2022-11-25 16:05:49,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287685265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:05:49,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:05:49,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 16:05:49,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591426758] [2022-11-25 16:05:49,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:05:49,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 16:05:49,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:05:49,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 16:05:49,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:05:49,298 INFO L87 Difference]: Start difference. First operand 62409 states and 85187 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 16:05:51,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []