./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/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_65a03388-8917-4c09-95f7-cb9c47ccebf8/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/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_65a03388-8917-4c09-95f7-cb9c47ccebf8/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 e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 --- 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 17:04:09,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:04:09,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:04:09,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:04:09,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:04:09,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:04:09,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:04:09,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:04:09,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:04:09,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:04:09,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:04:09,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:04:09,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:04:09,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:04:09,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:04:09,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:04:09,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:04:09,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:04:09,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:04:09,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:04:09,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:04:09,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:04:09,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:04:09,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:04:09,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:04:09,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:04:09,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:04:09,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:04:09,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:04:09,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:04:09,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:04:09,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:04:09,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:04:09,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:04:09,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:04:09,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:04:09,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:04:09,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:04:09,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:04:09,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:04:09,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:04:09,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:04:09,404 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:04:09,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:04:09,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:04:09,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:04:09,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:04:09,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:04:09,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:04:09,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:04:09,407 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:04:09,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:04:09,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:04:09,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:04:09,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:04:09,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:04:09,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:04:09,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:04:09,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:04:09,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:04:09,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:04:09,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:04:09,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:04:09,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:04:09,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:04:09,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:04:09,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:04:09,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:04:09,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:04:09,412 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:04:09,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:04:09,413 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:04:09,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:04:09,414 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_65a03388-8917-4c09-95f7-cb9c47ccebf8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 [2022-11-25 17:04:09,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:04:09,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:04:09,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:04:09,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:04:09,797 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:04:09,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-25 17:04:12,879 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:04:13,521 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:04:13,522 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-25 17:04:13,582 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/bin/uautomizer-ZsLfNo2U6R/data/88fef26c2/d49643f4d5f1422a97925695c0007748/FLAG59580a3af [2022-11-25 17:04:13,603 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/bin/uautomizer-ZsLfNo2U6R/data/88fef26c2/d49643f4d5f1422a97925695c0007748 [2022-11-25 17:04:13,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:04:13,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:04:13,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:04:13,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:04:13,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:04:13,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:04:13" (1/1) ... [2022-11-25 17:04:13,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333e875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:13, skipping insertion in model container [2022-11-25 17:04:13,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:04:13" (1/1) ... [2022-11-25 17:04:13,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:04:13,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:04:14,818 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-25 17:04:14,833 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-25 17:04:14,884 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:04:14,891 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:04:14,898 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:04:14,923 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 17:04:15,067 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:15,160 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:04:15,166 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:04:15,167 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:04:15,185 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:04:15,195 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:04:15,204 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 17:04:15,248 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 17:04:15,263 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:04:15,268 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 17:04:15,276 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 17:04:15,289 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 17:04:15,424 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 17:04:15,434 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 17:04:15,435 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:04:15,496 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 17:04:15,519 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 17:04:15,520 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 17:04:15,538 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:04:15,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:04:15,590 WARN L623 FunctionHandler]: Unknown extern function dql_completed [2022-11-25 17:04:15,603 WARN L623 FunctionHandler]: Unknown extern function dql_reset [2022-11-25 17:04:15,626 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 17:04:15,673 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:04:15,674 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:04:15,675 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:04:15,676 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:04:15,676 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 17:04:15,779 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 17:04:15,845 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 17:04:16,077 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:04:16,078 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:04:16,080 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:04:16,082 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:04:16,142 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:04:16,142 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 17:04:16,148 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-25 17:04:16,163 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 17:04:16,164 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:04:16,170 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 17:04:16,171 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 17:04:16,219 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:04:16,242 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:04:16,243 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 17:04:16,287 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_542 [2022-11-25 17:04:16,288 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_551 [2022-11-25 17:04:16,289 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:04:16,289 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:04:16,296 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 17:04:16,301 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-25 17:04:16,302 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:04:16,302 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:04:16,319 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 17:04:16,325 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-11-25 17:04:16,326 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 17:04:16,332 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 17:04:16,344 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:16,357 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:04:16,386 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-25 17:04:16,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:04:16,388 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 17:04:16,394 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-11-25 17:04:16,404 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 17:04:16,409 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:04:16,424 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:04:16,425 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 17:04:16,427 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 17:04:16,444 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 17:04:16,444 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 17:04:16,450 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 17:04:16,451 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 17:04:16,476 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:04:16,500 WARN L623 FunctionHandler]: Unknown extern function mdio_mii_ioctl [2022-11-25 17:04:16,520 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-25 17:04:16,524 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 17:04:16,525 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:16,525 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-25 17:04:16,525 WARN L623 FunctionHandler]: Unknown extern function pci_request_selected_regions [2022-11-25 17:04:16,526 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:16,526 WARN L623 FunctionHandler]: Unknown extern function pci_enable_pcie_error_reporting [2022-11-25 17:04:16,526 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:04:16,527 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:16,528 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:04:16,528 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:04:16,529 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:04:16,529 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-11-25 17:04:16,530 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:16,531 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:16,532 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:16,533 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:16,533 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:04:16,535 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:16,536 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:04:16,536 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:04:16,537 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:04:16,537 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:04:16,537 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:04:16,538 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:16,538 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 17:04:16,538 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:04:16,539 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-25 17:04:16,539 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:04:16,545 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 17:04:16,545 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 17:04:16,546 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:04:16,546 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-25 17:04:16,546 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-25 17:04:16,546 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-11-25 17:04:16,547 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:04:16,553 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 17:04:16,559 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 17:04:16,565 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:04:16,566 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 17:04:16,566 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 17:04:16,567 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:04:16,567 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 17:04:16,573 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:04:16,573 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 17:04:16,573 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 17:04:16,573 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:16,574 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:04:16,574 WARN L623 FunctionHandler]: Unknown extern function pci_cleanup_aer_uncorrect_error_status [2022-11-25 17:04:16,575 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 17:04:16,580 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:04:16,581 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 17:04:16,581 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 17:04:16,581 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 17:04:17,135 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,136 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,136 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,137 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,137 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,137 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,138 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,138 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,138 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,138 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,146 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,146 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,147 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,147 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,153 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 17:04:17,167 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 17:04:17,168 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 17:04:17,175 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 17:04:17,179 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 17:04:17,199 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 17:04:17,213 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 17:04:17,228 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 17:04:17,243 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:04:17,243 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 17:04:17,244 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 17:04:17,244 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:04:17,245 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 17:04:17,245 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:04:17,246 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 17:04:17,246 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 17:04:17,310 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_119 [2022-11-25 17:04:17,310 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_120 [2022-11-25 17:04:17,310 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_121 [2022-11-25 17:04:17,311 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_122 [2022-11-25 17:04:17,311 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_123 [2022-11-25 17:04:17,325 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-25 17:04:17,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:04:17,325 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 17:04:17,344 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-25 17:04:17,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:04:17,345 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 17:04:17,369 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_274 [2022-11-25 17:04:17,375 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:04:17,385 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 17:04:17,424 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 17:04:17,430 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 17:04:17,495 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,564 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,565 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,571 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-25 17:04:17,605 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-25 17:04:17,615 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,621 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,622 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,624 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,624 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,625 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,625 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,627 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,628 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,628 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,633 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:17,655 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:17,658 WARN L623 FunctionHandler]: Unknown extern function pcie_get_readrq [2022-11-25 17:04:17,659 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-11-25 17:04:17,783 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 17:04:17,783 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 17:04:17,824 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 17:04:17,919 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_65a03388-8917-4c09-95f7-cb9c47ccebf8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416147,416160] [2022-11-25 17:04:17,924 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_65a03388-8917-4c09-95f7-cb9c47ccebf8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416294,416307] [2022-11-25 17:04:17,924 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_65a03388-8917-4c09-95f7-cb9c47ccebf8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416433,416446] [2022-11-25 17:04:17,925 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_65a03388-8917-4c09-95f7-cb9c47ccebf8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416591,416604] [2022-11-25 17:04:17,927 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,928 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,930 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,951 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:17,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:04:18,078 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:04:18,231 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-25 17:04:18,232 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-25 17:04:18,235 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 17:04:18,236 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 17:04:18,236 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:04:18,237 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 17:04:18,275 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,280 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:04:18,280 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:04:18,281 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:04:18,282 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:04:18,283 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:04:18,284 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 17:04:18,286 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 17:04:18,287 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:04:18,288 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 17:04:18,289 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 17:04:18,289 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 17:04:18,293 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 17:04:18,293 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 17:04:18,293 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:04:18,295 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 17:04:18,296 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 17:04:18,296 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 17:04:18,298 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:04:18,298 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:04:18,300 WARN L623 FunctionHandler]: Unknown extern function dql_completed [2022-11-25 17:04:18,301 WARN L623 FunctionHandler]: Unknown extern function dql_reset [2022-11-25 17:04:18,302 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 17:04:18,303 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:04:18,303 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:04:18,304 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:04:18,304 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:04:18,304 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 17:04:18,306 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 17:04:18,308 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 17:04:18,313 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:04:18,313 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:04:18,314 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:04:18,314 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:04:18,320 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:04:18,321 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 17:04:18,322 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-25 17:04:18,324 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 17:04:18,325 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:04:18,326 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 17:04:18,326 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 17:04:18,330 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:04:18,332 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 17:04:18,332 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 17:04:18,338 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_542 [2022-11-25 17:04:18,339 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_551 [2022-11-25 17:04:18,339 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:04:18,340 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:04:18,341 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 17:04:18,341 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-25 17:04:18,341 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:04:18,341 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:04:18,343 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 17:04:18,343 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-11-25 17:04:18,344 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 17:04:18,345 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 17:04:18,346 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,348 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:04:18,349 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-25 17:04:18,349 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:04:18,350 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 17:04:18,351 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-11-25 17:04:18,352 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 17:04:18,352 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:04:18,354 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 17:04:18,355 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 17:04:18,355 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 17:04:18,357 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 17:04:18,357 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 17:04:18,358 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 17:04:18,358 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 17:04:18,365 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 17:04:18,368 WARN L623 FunctionHandler]: Unknown extern function mdio_mii_ioctl [2022-11-25 17:04:18,372 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-25 17:04:18,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 17:04:18,374 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,374 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-25 17:04:18,374 WARN L623 FunctionHandler]: Unknown extern function pci_request_selected_regions [2022-11-25 17:04:18,374 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,375 WARN L623 FunctionHandler]: Unknown extern function pci_enable_pcie_error_reporting [2022-11-25 17:04:18,375 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:04:18,375 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,377 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:04:18,377 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:04:18,378 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:04:18,378 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-11-25 17:04:18,379 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,380 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,380 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,381 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,381 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 17:04:18,383 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,383 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:04:18,383 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:04:18,384 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:04:18,384 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:04:18,385 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:04:18,385 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,385 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 17:04:18,386 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:04:18,386 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-25 17:04:18,386 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:04:18,387 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 17:04:18,387 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 17:04:18,387 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:04:18,388 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-11-25 17:04:18,388 WARN L623 FunctionHandler]: Unknown extern function pci_release_selected_regions [2022-11-25 17:04:18,388 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-11-25 17:04:18,388 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:04:18,389 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 17:04:18,390 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 17:04:18,391 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:04:18,391 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 17:04:18,391 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 17:04:18,392 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:04:18,392 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 17:04:18,392 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:04:18,393 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 17:04:18,393 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 17:04:18,393 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,393 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:04:18,394 WARN L623 FunctionHandler]: Unknown extern function pci_cleanup_aer_uncorrect_error_status [2022-11-25 17:04:18,394 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 17:04:18,394 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:04:18,395 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-25 17:04:18,395 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 17:04:18,395 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-25 17:04:18,402 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,402 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,402 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,403 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,403 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,403 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,403 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,404 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,404 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,404 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,404 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,404 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,405 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,405 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,405 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,405 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,408 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 17:04:18,412 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 17:04:18,412 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 17:04:18,413 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 17:04:18,413 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 17:04:18,422 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 17:04:18,428 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 17:04:18,454 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 17:04:18,466 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:04:18,466 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 17:04:18,467 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 17:04:18,467 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:04:18,467 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 17:04:18,468 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:04:18,468 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 17:04:18,469 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 17:04:18,473 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_119 [2022-11-25 17:04:18,473 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_120 [2022-11-25 17:04:18,474 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_121 [2022-11-25 17:04:18,474 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_122 [2022-11-25 17:04:18,474 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_123 [2022-11-25 17:04:18,477 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-25 17:04:18,477 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:04:18,477 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 17:04:18,480 WARN L623 FunctionHandler]: Unknown extern function rtnl_is_locked [2022-11-25 17:04:18,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:04:18,481 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-11-25 17:04:18,483 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_274 [2022-11-25 17:04:18,484 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:04:18,487 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 17:04:18,488 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 17:04:18,551 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 17:04:18,555 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,562 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,562 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,564 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-25 17:04:18,565 WARN L623 FunctionHandler]: Unknown extern function __bad_unaligned_access_size [2022-11-25 17:04:18,569 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,569 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,570 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,571 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,572 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,572 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,572 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,573 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,574 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,574 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,578 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:04:18,589 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:04:18,591 WARN L623 FunctionHandler]: Unknown extern function pcie_get_readrq [2022-11-25 17:04:18,592 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-11-25 17:04:18,606 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 17:04:18,606 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 17:04:18,607 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 17:04:18,612 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_65a03388-8917-4c09-95f7-cb9c47ccebf8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416147,416160] [2022-11-25 17:04:18,612 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_65a03388-8917-4c09-95f7-cb9c47ccebf8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416294,416307] [2022-11-25 17:04:18,613 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_65a03388-8917-4c09-95f7-cb9c47ccebf8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416433,416446] [2022-11-25 17:04:18,613 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_65a03388-8917-4c09-95f7-cb9c47ccebf8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416591,416604] [2022-11-25 17:04:18,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,617 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,619 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,622 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:04:18,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:04:18,927 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:04:18,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18 WrapperNode [2022-11-25 17:04:18,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:04:18,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:04:18,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:04:18,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:04:18,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (1/1) ... [2022-11-25 17:04:19,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (1/1) ... [2022-11-25 17:04:19,428 INFO L138 Inliner]: procedures = 543, calls = 4106, calls flagged for inlining = 313, calls inlined = 291, statements flattened = 8466 [2022-11-25 17:04:19,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:04:19,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:04:19,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:04:19,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:04:19,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (1/1) ... [2022-11-25 17:04:19,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (1/1) ... [2022-11-25 17:04:19,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (1/1) ... [2022-11-25 17:04:19,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (1/1) ... [2022-11-25 17:04:19,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (1/1) ... [2022-11-25 17:04:19,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (1/1) ... [2022-11-25 17:04:19,767 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (1/1) ... [2022-11-25 17:04:19,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (1/1) ... [2022-11-25 17:04:19,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:04:19,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:04:19,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:04:19,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:04:19,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (1/1) ... [2022-11-25 17:04:19,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:04:19,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:04:19,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:04:19,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65a03388-8917-4c09-95f7-cb9c47ccebf8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:04:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-25 17:04:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-25 17:04:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 17:04:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 17:04:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-25 17:04:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-25 17:04:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:04:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:04:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-11-25 17:04:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-11-25 17:04:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-11-25 17:04:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-11-25 17:04:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-25 17:04:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-25 17:04:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-11-25 17:04:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-11-25 17:04:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-11-25 17:04:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-11-25 17:04:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 17:04:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 17:04:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-11-25 17:04:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-11-25 17:04:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 17:04:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 17:04:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 17:04:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 17:04:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-11-25 17:04:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-11-25 17:04:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-11-25 17:04:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-11-25 17:04:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-11-25 17:04:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-11-25 17:04:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 17:04:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 17:04:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-11-25 17:04:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-11-25 17:04:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-11-25 17:04:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-11-25 17:04:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 17:04:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 17:04:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 17:04:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 17:04:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 17:04:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 17:04:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 17:04:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 17:04:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-11-25 17:04:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-11-25 17:04:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-11-25 17:04:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-11-25 17:04:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 17:04:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 17:04:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 17:04:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 17:04:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-11-25 17:04:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-11-25 17:04:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-25 17:04:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-25 17:04:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:04:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-25 17:04:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-25 17:04:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-11-25 17:04:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-11-25 17:04:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-25 17:04:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-25 17:04:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-25 17:04:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-25 17:04:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-11-25 17:04:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-11-25 17:04:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-25 17:04:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-11-25 17:04:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-11-25 17:04:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 17:04:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 17:04:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 17:04:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 17:04:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 17:04:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-11-25 17:04:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-11-25 17:04:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-11-25 17:04:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-11-25 17:04:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 17:04:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 17:04:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-11-25 17:04:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-11-25 17:04:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 17:04:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 17:04:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:04:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-11-25 17:04:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-11-25 17:04:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 17:04:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 17:04:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:04:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 17:04:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 17:04:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 17:04:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 17:04:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 17:04:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 17:04:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-11-25 17:04:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-11-25 17:04:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-11-25 17:04:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-11-25 17:04:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 17:04:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 17:04:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 17:04:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 17:04:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-11-25 17:04:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-11-25 17:04:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-11-25 17:04:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-11-25 17:04:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 17:04:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 17:04:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:04:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 17:04:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 17:04:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-25 17:04:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-25 17:04:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-25 17:04:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-25 17:04:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-11-25 17:04:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-11-25 17:04:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-25 17:04:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-25 17:04:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-11-25 17:04:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-11-25 17:04:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:04:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-25 17:04:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-25 17:04:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 17:04:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 17:04:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 17:04:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 17:04:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:04:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 17:04:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-11-25 17:04:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-11-25 17:04:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-11-25 17:04:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-11-25 17:04:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-11-25 17:04:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-11-25 17:04:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 17:04:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 17:04:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 17:04:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 17:04:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-11-25 17:04:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-11-25 17:04:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-11-25 17:04:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-11-25 17:04:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-11-25 17:04:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-11-25 17:04:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-11-25 17:04:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-11-25 17:04:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-11-25 17:04:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-11-25 17:04:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-25 17:04:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-25 17:04:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-25 17:04:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-25 17:04:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 17:04:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 17:04:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-11-25 17:04:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-11-25 17:04:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 17:04:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 17:04:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-25 17:04:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-25 17:04:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-11-25 17:04:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-11-25 17:04:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 17:04:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 17:04:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-11-25 17:04:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-11-25 17:04:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:04:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:04:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-25 17:04:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-25 17:04:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-25 17:04:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-25 17:04:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:04:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:04:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 17:04:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 17:04:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-25 17:04:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-25 17:04:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 17:04:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 17:04:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-25 17:04:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-25 17:04:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 17:04:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 17:04:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-25 17:04:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-11-25 17:04:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-11-25 17:04:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-25 17:04:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-25 17:04:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-25 17:04:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-25 17:04:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-11-25 17:04:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-11-25 17:04:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 17:04:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 17:04:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-25 17:04:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-25 17:04:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-11-25 17:04:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-11-25 17:04:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 17:04:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 17:04:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-11-25 17:04:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-11-25 17:04:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-11-25 17:04:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-11-25 17:04:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-25 17:04:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-25 17:04:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 17:04:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 17:04:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-25 17:04:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-25 17:04:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-25 17:04:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-25 17:04:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-25 17:04:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-25 17:04:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 17:04:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 17:04:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:04:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 17:04:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 17:04:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-11-25 17:04:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-11-25 17:04:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-11-25 17:04:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-11-25 17:04:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-25 17:04:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-25 17:04:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-11-25 17:04:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-11-25 17:04:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 17:04:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 17:04:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-25 17:04:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-25 17:04:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:04:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:04:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-11-25 17:04:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-11-25 17:04:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 17:04:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 17:04:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-25 17:04:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-25 17:04:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-11-25 17:04:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-11-25 17:04:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-25 17:04:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-25 17:04:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 17:04:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 17:04:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 17:04:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 17:04:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 17:04:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 17:04:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-25 17:04:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-25 17:04:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 17:04:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 17:04:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 17:04:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 17:04:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-25 17:04:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-25 17:04:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 17:04:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 17:04:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 17:04:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 17:04:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-11-25 17:04:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-11-25 17:04:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 17:04:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 17:04:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-11-25 17:04:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-11-25 17:04:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 17:04:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 17:04:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-11-25 17:04:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-11-25 17:04:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:04:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 17:04:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 17:04:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-11-25 17:04:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-11-25 17:04:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-25 17:04:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-25 17:04:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-11-25 17:04:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-11-25 17:04:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-11-25 17:04:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-11-25 17:04:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-11-25 17:04:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-11-25 17:04:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 17:04:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 17:04:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-11-25 17:04:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-11-25 17:04:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 17:04:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 17:04:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-25 17:04:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-25 17:04:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-11-25 17:04:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-11-25 17:04:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-11-25 17:04:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-11-25 17:04:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-11-25 17:04:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-11-25 17:04:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-11-25 17:04:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-11-25 17:04:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-11-25 17:04:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-11-25 17:04:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-25 17:04:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-25 17:04:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-25 17:04:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-25 17:04:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 17:04:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 17:04:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 17:04:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 17:04:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-25 17:04:20,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-25 17:04:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-11-25 17:04:20,064 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-11-25 17:04:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-11-25 17:04:20,064 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-11-25 17:04:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-25 17:04:20,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-25 17:04:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 17:04:20,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 17:04:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-25 17:04:20,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-25 17:04:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 17:04:20,065 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 17:04:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:04:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 17:04:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 17:04:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-25 17:04:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-25 17:04:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-11-25 17:04:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-11-25 17:04:21,188 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:04:21,192 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:04:21,421 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 17:04:32,649 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 17:04:33,052 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:04:33,081 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:04:33,081 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-25 17:04:33,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:04:33 BoogieIcfgContainer [2022-11-25 17:04:33,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:04:33,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:04:33,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:04:33,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:04:33,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:04:13" (1/3) ... [2022-11-25 17:04:33,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40d47fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:04:33, skipping insertion in model container [2022-11-25 17:04:33,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:18" (2/3) ... [2022-11-25 17:04:33,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40d47fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:04:33, skipping insertion in model container [2022-11-25 17:04:33,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:04:33" (3/3) ... [2022-11-25 17:04:33,098 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-25 17:04:33,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:04:33,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:04:33,225 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:04:33,234 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;@29e35d84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:04:33,234 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:04:33,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 3025 states, 2039 states have (on average 1.2717018146150074) internal successors, (2593), 2084 states have internal predecessors, (2593), 828 states have call successors, (828), 160 states have call predecessors, (828), 159 states have return successors, (819), 804 states have call predecessors, (819), 819 states have call successors, (819) [2022-11-25 17:04:33,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-25 17:04:33,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:04:33,290 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:04:33,290 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 17:04:33,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:04:33,296 INFO L85 PathProgramCache]: Analyzing trace with hash -2097729070, now seen corresponding path program 1 times [2022-11-25 17:04:33,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:04:33,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178617125] [2022-11-25 17:04:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:04:33,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:04:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:04:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:04:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:04:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:04:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:04:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:04:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:04:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:04:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:04:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:04:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:04:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:04:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:04:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:34,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:04:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:35,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:35,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 17:04:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:35,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 17:04:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:35,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 17:04:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-25 17:04:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-11-25 17:04:35,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:04:35,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178617125] [2022-11-25 17:04:35,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178617125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:04:35,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:04:35,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:04:35,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052011128] [2022-11-25 17:04:35,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:04:35,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:04:35,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:04:35,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:04:35,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:04:35,134 INFO L87 Difference]: Start difference. First operand has 3025 states, 2039 states have (on average 1.2717018146150074) internal successors, (2593), 2084 states have internal predecessors, (2593), 828 states have call successors, (828), 160 states have call predecessors, (828), 159 states have return successors, (819), 804 states have call predecessors, (819), 819 states have call successors, (819) 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 17:04:46,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:04:46,894 INFO L93 Difference]: Finished difference Result 9023 states and 12887 transitions. [2022-11-25 17:04:46,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:04:46,904 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 203 [2022-11-25 17:04:46,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:04:46,966 INFO L225 Difference]: With dead ends: 9023 [2022-11-25 17:04:46,967 INFO L226 Difference]: Without dead ends: 6021 [2022-11-25 17:04:46,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:04:46,992 INFO L413 NwaCegarLoop]: 3091 mSDtfsCounter, 5517 mSDsluCounter, 3761 mSDsCounter, 0 mSdLazyCounter, 4734 mSolverCounterSat, 2401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6228 SdHoareTripleChecker+Valid, 6852 SdHoareTripleChecker+Invalid, 7135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2401 IncrementalHoareTripleChecker+Valid, 4734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:04:46,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6228 Valid, 6852 Invalid, 7135 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2401 Valid, 4734 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-11-25 17:04:47,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6021 states. [2022-11-25 17:04:47,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6021 to 5809. [2022-11-25 17:04:47,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5809 states, 3914 states have (on average 1.2585590189064895) internal successors, (4926), 3993 states have internal predecessors, (4926), 1580 states have call successors, (1580), 314 states have call predecessors, (1580), 313 states have return successors, (1577), 1555 states have call predecessors, (1577), 1577 states have call successors, (1577) [2022-11-25 17:04:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5809 states to 5809 states and 8083 transitions. [2022-11-25 17:04:47,479 INFO L78 Accepts]: Start accepts. Automaton has 5809 states and 8083 transitions. Word has length 203 [2022-11-25 17:04:47,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:04:47,484 INFO L495 AbstractCegarLoop]: Abstraction has 5809 states and 8083 transitions. [2022-11-25 17:04:47,484 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, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 17:04:47,484 INFO L276 IsEmpty]: Start isEmpty. Operand 5809 states and 8083 transitions. [2022-11-25 17:04:47,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-11-25 17:04:47,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:04:47,502 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:04:47,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:04:47,503 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 17:04:47,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:04:47,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1397658537, now seen corresponding path program 1 times [2022-11-25 17:04:47,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:04:47,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970520631] [2022-11-25 17:04:47,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:04:47,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:04:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:04:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:04:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:04:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:04:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:04:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:04:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:04:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:04:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:04:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:04:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:04:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:04:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:04:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:04:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 17:04:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 17:04:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:04:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 17:04:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-25 17:04:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-25 17:04:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:04:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-11-25 17:04:48,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:04:48,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970520631] [2022-11-25 17:04:48,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970520631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:04:48,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:04:48,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:04:48,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844420090] [2022-11-25 17:04:48,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:04:48,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:04:48,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:04:48,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:04:48,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:04:48,597 INFO L87 Difference]: Start difference. First operand 5809 states and 8083 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 17:04:59,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:04:59,891 INFO L93 Difference]: Finished difference Result 13938 states and 19460 transitions. [2022-11-25 17:04:59,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:04:59,892 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 224 [2022-11-25 17:04:59,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:04:59,940 INFO L225 Difference]: With dead ends: 13938 [2022-11-25 17:04:59,941 INFO L226 Difference]: Without dead ends: 8166 [2022-11-25 17:04:59,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:04:59,964 INFO L413 NwaCegarLoop]: 2966 mSDtfsCounter, 4921 mSDsluCounter, 3715 mSDsCounter, 0 mSdLazyCounter, 4662 mSolverCounterSat, 2255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5528 SdHoareTripleChecker+Valid, 6681 SdHoareTripleChecker+Invalid, 6917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2255 IncrementalHoareTripleChecker+Valid, 4662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:04:59,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5528 Valid, 6681 Invalid, 6917 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2255 Valid, 4662 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2022-11-25 17:04:59,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8166 states. [2022-11-25 17:05:00,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8166 to 7842. [2022-11-25 17:05:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7842 states, 5298 states have (on average 1.253114382785957) internal successors, (6639), 5403 states have internal predecessors, (6639), 2102 states have call successors, (2102), 442 states have call predecessors, (2102), 440 states have return successors, (2099), 2065 states have call predecessors, (2099), 2099 states have call successors, (2099) [2022-11-25 17:05:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7842 states to 7842 states and 10840 transitions. [2022-11-25 17:05:00,441 INFO L78 Accepts]: Start accepts. Automaton has 7842 states and 10840 transitions. Word has length 224 [2022-11-25 17:05:00,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:00,443 INFO L495 AbstractCegarLoop]: Abstraction has 7842 states and 10840 transitions. [2022-11-25 17:05:00,444 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 17:05:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 7842 states and 10840 transitions. [2022-11-25 17:05:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-25 17:05:00,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:00,451 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2022-11-25 17:05:00,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:05:00,452 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 17:05:00,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:00,452 INFO L85 PathProgramCache]: Analyzing trace with hash -931703505, now seen corresponding path program 1 times [2022-11-25 17:05:00,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:00,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358206692] [2022-11-25 17:05:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:00,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:05:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:05:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:05:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:05:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:05:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:05:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:05:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:05:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:05:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:05:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:05:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:05:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:05:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:05:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 17:05:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 17:05:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 17:05:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-25 17:05:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:05:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:05:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-25 17:05:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2022-11-25 17:05:01,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:01,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358206692] [2022-11-25 17:05:01,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358206692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:01,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:01,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:05:01,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216168368] [2022-11-25 17:05:01,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:01,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:05:01,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:01,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:05:01,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:05:01,382 INFO L87 Difference]: Start difference. First operand 7842 states and 10840 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-25 17:05:12,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:12,158 INFO L93 Difference]: Finished difference Result 21344 states and 29688 transitions. [2022-11-25 17:05:12,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:05:12,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 238 [2022-11-25 17:05:12,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:12,264 INFO L225 Difference]: With dead ends: 21344 [2022-11-25 17:05:12,264 INFO L226 Difference]: Without dead ends: 13539 [2022-11-25 17:05:12,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:05:12,304 INFO L413 NwaCegarLoop]: 3073 mSDtfsCounter, 5431 mSDsluCounter, 3740 mSDsCounter, 0 mSdLazyCounter, 4735 mSolverCounterSat, 2392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6135 SdHoareTripleChecker+Valid, 6813 SdHoareTripleChecker+Invalid, 7127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2392 IncrementalHoareTripleChecker+Valid, 4735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:12,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6135 Valid, 6813 Invalid, 7127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2392 Valid, 4735 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-25 17:05:12,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13539 states. [2022-11-25 17:05:12,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13539 to 13001. [2022-11-25 17:05:12,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13001 states, 8781 states have (on average 1.251451998633413) internal successors, (10989), 8965 states have internal predecessors, (10989), 3485 states have call successors, (3485), 736 states have call predecessors, (3485), 733 states have return successors, (3482), 3416 states have call predecessors, (3482), 3482 states have call successors, (3482) [2022-11-25 17:05:13,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13001 states to 13001 states and 17956 transitions. [2022-11-25 17:05:13,030 INFO L78 Accepts]: Start accepts. Automaton has 13001 states and 17956 transitions. Word has length 238 [2022-11-25 17:05:13,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:13,031 INFO L495 AbstractCegarLoop]: Abstraction has 13001 states and 17956 transitions. [2022-11-25 17:05:13,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-25 17:05:13,032 INFO L276 IsEmpty]: Start isEmpty. Operand 13001 states and 17956 transitions. [2022-11-25 17:05:13,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-25 17:05:13,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:13,043 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-11-25 17:05:13,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:05:13,043 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 17:05:13,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:13,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1127442260, now seen corresponding path program 1 times [2022-11-25 17:05:13,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:13,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039322175] [2022-11-25 17:05:13,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:13,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:05:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:05:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:05:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:05:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:05:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:05:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:05:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:05:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:05:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:05:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:05:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:05:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:05:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:05:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 17:05:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 17:05:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 17:05:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 17:05:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-25 17:05:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-25 17:05:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-25 17:05:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-25 17:05:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-25 17:05:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-25 17:05:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2022-11-25 17:05:13,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:13,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039322175] [2022-11-25 17:05:13,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039322175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:13,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:13,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:05:13,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177324558] [2022-11-25 17:05:13,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:13,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:05:13,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:13,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:05:13,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:05:13,919 INFO L87 Difference]: Start difference. First operand 13001 states and 17956 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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 17:05:24,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:24,569 INFO L93 Difference]: Finished difference Result 34979 states and 48666 transitions. [2022-11-25 17:05:24,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:05:24,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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 259 [2022-11-25 17:05:24,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:24,696 INFO L225 Difference]: With dead ends: 34979 [2022-11-25 17:05:24,696 INFO L226 Difference]: Without dead ends: 24344 [2022-11-25 17:05:24,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:05:24,743 INFO L413 NwaCegarLoop]: 4733 mSDtfsCounter, 4477 mSDsluCounter, 4881 mSDsCounter, 0 mSdLazyCounter, 5816 mSolverCounterSat, 1722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5182 SdHoareTripleChecker+Valid, 9614 SdHoareTripleChecker+Invalid, 7538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1722 IncrementalHoareTripleChecker+Valid, 5816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:24,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5182 Valid, 9614 Invalid, 7538 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1722 Valid, 5816 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-25 17:05:24,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24344 states. [2022-11-25 17:05:25,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24344 to 23397. [2022-11-25 17:05:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23397 states, 15813 states have (on average 1.2521975589704673) internal successors, (19801), 16133 states have internal predecessors, (19801), 6263 states have call successors, (6263), 1322 states have call predecessors, (6263), 1319 states have return successors, (6260), 6154 states have call predecessors, (6260), 6260 states have call successors, (6260) [2022-11-25 17:05:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23397 states to 23397 states and 32324 transitions. [2022-11-25 17:05:26,083 INFO L78 Accepts]: Start accepts. Automaton has 23397 states and 32324 transitions. Word has length 259 [2022-11-25 17:05:26,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:26,084 INFO L495 AbstractCegarLoop]: Abstraction has 23397 states and 32324 transitions. [2022-11-25 17:05:26,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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 17:05:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 23397 states and 32324 transitions. [2022-11-25 17:05:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-25 17:05:26,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:26,095 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-11-25 17:05:26,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:05:26,096 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 17:05:26,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:26,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1261455766, now seen corresponding path program 1 times [2022-11-25 17:05:26,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:26,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98925503] [2022-11-25 17:05:26,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:26,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:05:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:05:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:05:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:05:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:05:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:05:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:05:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:05:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:05:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:05:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:05:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:05:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:05:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:05:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 17:05:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 17:05:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 17:05:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 17:05:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-25 17:05:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-25 17:05:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-25 17:05:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-25 17:05:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-25 17:05:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-25 17:05:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2022-11-25 17:05:27,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:27,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98925503] [2022-11-25 17:05:27,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98925503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:27,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:27,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:05:27,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435203558] [2022-11-25 17:05:27,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:27,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:05:27,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:27,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:05:27,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:05:27,662 INFO L87 Difference]: Start difference. First operand 23397 states and 32324 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 17:05:35,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:35,213 INFO L93 Difference]: Finished difference Result 24342 states and 33942 transitions. [2022-11-25 17:05:35,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:05:35,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 259 [2022-11-25 17:05:35,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:35,346 INFO L225 Difference]: With dead ends: 24342 [2022-11-25 17:05:35,346 INFO L226 Difference]: Without dead ends: 24287 [2022-11-25 17:05:35,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:05:35,369 INFO L413 NwaCegarLoop]: 2619 mSDtfsCounter, 4219 mSDsluCounter, 3731 mSDsCounter, 0 mSdLazyCounter, 3924 mSolverCounterSat, 1834 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4610 SdHoareTripleChecker+Valid, 6350 SdHoareTripleChecker+Invalid, 5758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1834 IncrementalHoareTripleChecker+Valid, 3924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:35,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4610 Valid, 6350 Invalid, 5758 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1834 Valid, 3924 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-25 17:05:35,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24287 states. [2022-11-25 17:05:36,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24287 to 23342. [2022-11-25 17:05:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23342 states, 15788 states have (on average 1.2518368381048899) internal successors, (19764), 16096 states have internal predecessors, (19764), 6236 states have call successors, (6236), 1317 states have call predecessors, (6236), 1317 states have return successors, (6236), 6141 states have call predecessors, (6236), 6236 states have call successors, (6236) [2022-11-25 17:05:36,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23342 states to 23342 states and 32236 transitions. [2022-11-25 17:05:36,951 INFO L78 Accepts]: Start accepts. Automaton has 23342 states and 32236 transitions. Word has length 259 [2022-11-25 17:05:36,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:36,952 INFO L495 AbstractCegarLoop]: Abstraction has 23342 states and 32236 transitions. [2022-11-25 17:05:36,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 17:05:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand 23342 states and 32236 transitions. [2022-11-25 17:05:36,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-25 17:05:36,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:36,982 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 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] [2022-11-25 17:05:36,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:05:36,983 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 17:05:36,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:36,984 INFO L85 PathProgramCache]: Analyzing trace with hash 169151983, now seen corresponding path program 1 times [2022-11-25 17:05:36,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:36,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548590389] [2022-11-25 17:05:36,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:36,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:05:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:05:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:05:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:05:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:05:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:05:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:05:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:05:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:05:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:05:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:05:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:05:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:05:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:05:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 17:05:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 17:05:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 17:05:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 17:05:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-25 17:05:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-25 17:05:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-25 17:05:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-25 17:05:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-25 17:05:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-25 17:05:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-25 17:05:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-25 17:05:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2022-11-25 17:05:37,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:37,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548590389] [2022-11-25 17:05:37,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548590389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:37,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:37,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:05:37,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911431519] [2022-11-25 17:05:37,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:37,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:05:37,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:37,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:05:37,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:05:37,912 INFO L87 Difference]: Start difference. First operand 23342 states and 32236 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-25 17:05:49,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:05:49,250 INFO L93 Difference]: Finished difference Result 55269 states and 76768 transitions. [2022-11-25 17:05:49,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:05:49,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 288 [2022-11-25 17:05:49,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:05:49,493 INFO L225 Difference]: With dead ends: 55269 [2022-11-25 17:05:49,493 INFO L226 Difference]: Without dead ends: 34293 [2022-11-25 17:05:49,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:05:49,591 INFO L413 NwaCegarLoop]: 4509 mSDtfsCounter, 3923 mSDsluCounter, 4742 mSDsCounter, 0 mSdLazyCounter, 5699 mSolverCounterSat, 1593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4523 SdHoareTripleChecker+Valid, 9251 SdHoareTripleChecker+Invalid, 7292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1593 IncrementalHoareTripleChecker+Valid, 5699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:05:49,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4523 Valid, 9251 Invalid, 7292 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1593 Valid, 5699 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-11-25 17:05:49,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34293 states. [2022-11-25 17:05:51,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34293 to 32924. [2022-11-25 17:05:51,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32924 states, 22282 states have (on average 1.2506956287586393) internal successors, (27868), 22714 states have internal predecessors, (27868), 8768 states have call successors, (8768), 1873 states have call predecessors, (8768), 1873 states have return successors, (8768), 8633 states have call predecessors, (8768), 8768 states have call successors, (8768) [2022-11-25 17:05:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32924 states to 32924 states and 45404 transitions. [2022-11-25 17:05:51,303 INFO L78 Accepts]: Start accepts. Automaton has 32924 states and 45404 transitions. Word has length 288 [2022-11-25 17:05:51,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:05:51,304 INFO L495 AbstractCegarLoop]: Abstraction has 32924 states and 45404 transitions. [2022-11-25 17:05:51,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-25 17:05:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 32924 states and 45404 transitions. [2022-11-25 17:05:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-25 17:05:51,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:05:51,350 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:05:51,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:05:51,350 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 17:05:51,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:05:51,351 INFO L85 PathProgramCache]: Analyzing trace with hash -2029197326, now seen corresponding path program 1 times [2022-11-25 17:05:51,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:05:51,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204336919] [2022-11-25 17:05:51,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:05:51,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:05:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:05:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:05:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:05:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:05:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:05:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:05:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:05:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:05:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:05:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:05:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:05:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:05:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:05:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:05:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 17:05:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 17:05:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 17:05:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 17:05:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-25 17:05:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-25 17:05:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-25 17:05:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-25 17:05:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-25 17:05:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-25 17:05:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-25 17:05:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-25 17:05:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:05:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:05:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:05:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-25 17:05:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:05:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-11-25 17:05:52,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:05:52,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204336919] [2022-11-25 17:05:52,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204336919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:05:52,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:05:52,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:05:52,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710234963] [2022-11-25 17:05:52,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:05:52,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:05:52,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:05:52,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:05:52,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:05:52,782 INFO L87 Difference]: Start difference. First operand 32924 states and 45404 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (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 17:06:04,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:04,724 INFO L93 Difference]: Finished difference Result 80628 states and 111854 transitions. [2022-11-25 17:06:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:06:04,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (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 314 [2022-11-25 17:06:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:05,248 INFO L225 Difference]: With dead ends: 80628 [2022-11-25 17:06:05,249 INFO L226 Difference]: Without dead ends: 47590 [2022-11-25 17:06:05,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:06:05,389 INFO L413 NwaCegarLoop]: 5111 mSDtfsCounter, 4394 mSDsluCounter, 5129 mSDsCounter, 0 mSdLazyCounter, 5891 mSolverCounterSat, 1589 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5096 SdHoareTripleChecker+Valid, 10240 SdHoareTripleChecker+Invalid, 7480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1589 IncrementalHoareTripleChecker+Valid, 5891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:05,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5096 Valid, 10240 Invalid, 7480 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1589 Valid, 5891 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-11-25 17:06:05,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47590 states. [2022-11-25 17:06:07,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47590 to 45698. [2022-11-25 17:06:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45698 states, 30916 states have (on average 1.251196791305473) internal successors, (38682), 31514 states have internal predecessors, (38682), 12182 states have call successors, (12182), 2599 states have call predecessors, (12182), 2599 states have return successors, (12182), 11998 states have call predecessors, (12182), 12182 states have call successors, (12182) [2022-11-25 17:06:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45698 states to 45698 states and 63046 transitions. [2022-11-25 17:06:07,903 INFO L78 Accepts]: Start accepts. Automaton has 45698 states and 63046 transitions. Word has length 314 [2022-11-25 17:06:07,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:07,905 INFO L495 AbstractCegarLoop]: Abstraction has 45698 states and 63046 transitions. [2022-11-25 17:06:07,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (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 17:06:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 45698 states and 63046 transitions. [2022-11-25 17:06:07,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-11-25 17:06:07,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:07,974 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1] [2022-11-25 17:06:07,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 17:06:07,974 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 17:06:07,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:07,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1033391386, now seen corresponding path program 1 times [2022-11-25 17:06:07,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:07,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799702941] [2022-11-25 17:06:07,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:07,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:06:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:06:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:06:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:06:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:06:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:06:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:06:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:06:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:06:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:06:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:06:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:06:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:06:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:06:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 17:06:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 17:06:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 17:06:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 17:06:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:08,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-25 17:06:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-25 17:06:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-25 17:06:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-25 17:06:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-25 17:06:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-25 17:06:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-25 17:06:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-25 17:06:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-25 17:06:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-25 17:06:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-25 17:06:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:06:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:06:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-25 17:06:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:09,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2022-11-25 17:06:09,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:09,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799702941] [2022-11-25 17:06:09,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799702941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:09,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:09,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:06:09,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265626940] [2022-11-25 17:06:09,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:09,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:06:09,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:09,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:06:09,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:06:09,217 INFO L87 Difference]: Start difference. First operand 45698 states and 63046 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, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-25 17:06:21,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:21,576 INFO L93 Difference]: Finished difference Result 106677 states and 147986 transitions. [2022-11-25 17:06:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:06:21,577 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, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 338 [2022-11-25 17:06:21,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:21,955 INFO L225 Difference]: With dead ends: 106677 [2022-11-25 17:06:21,956 INFO L226 Difference]: Without dead ends: 60889 [2022-11-25 17:06:22,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:06:22,118 INFO L413 NwaCegarLoop]: 5109 mSDtfsCounter, 4392 mSDsluCounter, 5126 mSDsCounter, 0 mSdLazyCounter, 5883 mSolverCounterSat, 1586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5094 SdHoareTripleChecker+Valid, 10235 SdHoareTripleChecker+Invalid, 7469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1586 IncrementalHoareTripleChecker+Valid, 5883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:22,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5094 Valid, 10235 Invalid, 7469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1586 Valid, 5883 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-11-25 17:06:22,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60889 states. [2022-11-25 17:06:24,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60889 to 45698. [2022-11-25 17:06:24,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45698 states, 30916 states have (on average 1.2511644455945141) internal successors, (38681), 31514 states have internal predecessors, (38681), 12182 states have call successors, (12182), 2599 states have call predecessors, (12182), 2599 states have return successors, (12182), 11998 states have call predecessors, (12182), 12182 states have call successors, (12182) [2022-11-25 17:06:24,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45698 states to 45698 states and 63045 transitions. [2022-11-25 17:06:24,787 INFO L78 Accepts]: Start accepts. Automaton has 45698 states and 63045 transitions. Word has length 338 [2022-11-25 17:06:24,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:24,788 INFO L495 AbstractCegarLoop]: Abstraction has 45698 states and 63045 transitions. [2022-11-25 17:06:24,788 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, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-25 17:06:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 45698 states and 63045 transitions. [2022-11-25 17:06:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-11-25 17:06:25,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:25,042 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1] [2022-11-25 17:06:25,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:06:25,042 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 17:06:25,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:25,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1273631132, now seen corresponding path program 1 times [2022-11-25 17:06:25,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:25,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301059735] [2022-11-25 17:06:25,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:25,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:06:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:06:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:06:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:06:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:06:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:06:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:06:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:06:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:06:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:06:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:06:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:06:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:06:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:06:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 17:06:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 17:06:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 17:06:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 17:06:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-25 17:06:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-25 17:06:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-25 17:06:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-25 17:06:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-25 17:06:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-25 17:06:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-25 17:06:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-25 17:06:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-25 17:06:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-25 17:06:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-25 17:06:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:06:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:06:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-25 17:06:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked. [2022-11-25 17:06:25,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:25,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301059735] [2022-11-25 17:06:25,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301059735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:25,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:25,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:06:25,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333930732] [2022-11-25 17:06:25,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:25,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:06:25,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:25,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:06:25,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:06:25,880 INFO L87 Difference]: Start difference. First operand 45698 states and 63045 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-25 17:06:39,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:39,106 INFO L93 Difference]: Finished difference Result 114340 states and 158679 transitions. [2022-11-25 17:06:39,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:06:39,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 338 [2022-11-25 17:06:39,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:39,582 INFO L225 Difference]: With dead ends: 114340 [2022-11-25 17:06:39,582 INFO L226 Difference]: Without dead ends: 71008 [2022-11-25 17:06:39,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:06:39,699 INFO L413 NwaCegarLoop]: 5067 mSDtfsCounter, 4335 mSDsluCounter, 5070 mSDsCounter, 0 mSdLazyCounter, 5905 mSolverCounterSat, 1592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5034 SdHoareTripleChecker+Valid, 10137 SdHoareTripleChecker+Invalid, 7497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1592 IncrementalHoareTripleChecker+Valid, 5905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:39,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5034 Valid, 10137 Invalid, 7497 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1592 Valid, 5905 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-11-25 17:06:39,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71008 states. [2022-11-25 17:06:42,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71008 to 68165. [2022-11-25 17:06:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68165 states, 46111 states have (on average 1.2505692784801892) internal successors, (57665), 47011 states have internal predecessors, (57665), 18170 states have call successors, (18170), 3883 states have call predecessors, (18170), 3883 states have return successors, (18170), 17891 states have call predecessors, (18170), 18170 states have call successors, (18170) [2022-11-25 17:06:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68165 states to 68165 states and 94005 transitions. [2022-11-25 17:06:43,216 INFO L78 Accepts]: Start accepts. Automaton has 68165 states and 94005 transitions. Word has length 338 [2022-11-25 17:06:43,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:06:43,217 INFO L495 AbstractCegarLoop]: Abstraction has 68165 states and 94005 transitions. [2022-11-25 17:06:43,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-25 17:06:43,217 INFO L276 IsEmpty]: Start isEmpty. Operand 68165 states and 94005 transitions. [2022-11-25 17:06:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-11-25 17:06:43,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:06:43,290 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:06:43,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 17:06:43,291 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 17:06:43,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:06:43,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1050266417, now seen corresponding path program 1 times [2022-11-25 17:06:43,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:06:43,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434788214] [2022-11-25 17:06:43,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:06:43,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:06:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:06:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:06:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:06:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 17:06:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 17:06:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:06:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:06:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:06:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 17:06:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:06:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:06:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 17:06:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-25 17:06:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 17:06:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-25 17:06:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-25 17:06:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-25 17:06:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-25 17:06:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-25 17:06:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-25 17:06:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-25 17:06:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-25 17:06:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-25 17:06:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-25 17:06:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-25 17:06:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:06:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:06:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-25 17:06:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:06:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:06:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:06:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-25 17:06:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-11-25 17:06:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-11-25 17:06:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-25 17:06:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:06:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1571 trivial. 0 not checked. [2022-11-25 17:06:44,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:06:44,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434788214] [2022-11-25 17:06:44,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434788214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:06:44,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:06:44,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:06:44,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965580912] [2022-11-25 17:06:44,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:06:44,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:06:44,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:06:44,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:06:44,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:06:44,469 INFO L87 Difference]: Start difference. First operand 68165 states and 94005 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-25 17:06:58,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:06:58,441 INFO L93 Difference]: Finished difference Result 159067 states and 220527 transitions. [2022-11-25 17:06:58,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:06:58,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 363 [2022-11-25 17:06:58,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:06:58,872 INFO L225 Difference]: With dead ends: 159067 [2022-11-25 17:06:58,872 INFO L226 Difference]: Without dead ends: 90838 [2022-11-25 17:06:59,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:06:59,084 INFO L413 NwaCegarLoop]: 4599 mSDtfsCounter, 3904 mSDsluCounter, 4815 mSDsCounter, 0 mSdLazyCounter, 5716 mSolverCounterSat, 1564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4506 SdHoareTripleChecker+Valid, 9414 SdHoareTripleChecker+Invalid, 7280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1564 IncrementalHoareTripleChecker+Valid, 5716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:06:59,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4506 Valid, 9414 Invalid, 7280 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1564 Valid, 5716 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-11-25 17:06:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90838 states. [2022-11-25 17:07:03,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90838 to 87158. [2022-11-25 17:07:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87158 states, 58970 states have (on average 1.2498897744615907) internal successors, (73706), 60117 states have internal predecessors, (73706), 23200 states have call successors, (23200), 4987 states have call predecessors, (23200), 4987 states have return successors, (23200), 22842 states have call predecessors, (23200), 23200 states have call successors, (23200) [2022-11-25 17:07:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87158 states to 87158 states and 120106 transitions. [2022-11-25 17:07:03,894 INFO L78 Accepts]: Start accepts. Automaton has 87158 states and 120106 transitions. Word has length 363 [2022-11-25 17:07:03,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:03,897 INFO L495 AbstractCegarLoop]: Abstraction has 87158 states and 120106 transitions. [2022-11-25 17:07:03,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-25 17:07:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 87158 states and 120106 transitions. [2022-11-25 17:07:03,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-11-25 17:07:03,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:03,962 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:03,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 17:07:03,963 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 17:07:03,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:03,963 INFO L85 PathProgramCache]: Analyzing trace with hash -156780079, now seen corresponding path program 1 times [2022-11-25 17:07:03,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:03,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603266905] [2022-11-25 17:07:03,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:03,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat