./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.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_001c997c-0aef-4214-8345-0baa0927ac60/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/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_001c997c-0aef-4214-8345-0baa0927ac60/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/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_001c997c-0aef-4214-8345-0baa0927ac60/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 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:34:04,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:34:04,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:34:04,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:34:04,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:34:04,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:34:04,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:34:04,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:34:04,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:34:04,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:34:04,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:34:04,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:34:04,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:34:04,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:34:04,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:34:04,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:34:04,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:34:04,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:34:04,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:34:04,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:34:04,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:34:04,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:34:04,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:34:04,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:34:04,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:34:04,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:34:04,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:34:04,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:34:04,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:34:04,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:34:04,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:34:04,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:34:04,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:34:04,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:34:04,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:34:04,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:34:04,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:34:04,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:34:04,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:34:04,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:34:04,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:34:04,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:34:04,377 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:34:04,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:34:04,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:34:04,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:34:04,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:34:04,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:34:04,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:34:04,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:34:04,383 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:34:04,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:34:04,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:34:04,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:34:04,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:34:04,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:34:04,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:34:04,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:34:04,386 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:34:04,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:34:04,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:34:04,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:34:04,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:34:04,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:34:04,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:34:04,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:34:04,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:34:04,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:34:04,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:34:04,388 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:34:04,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:34:04,389 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:34:04,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:34:04,389 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_001c997c-0aef-4214-8345-0baa0927ac60/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2022-11-25 18:34:04,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:34:04,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:34:04,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:34:04,765 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:34:04,766 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:34:04,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-11-25 18:34:07,786 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:34:08,649 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:34:08,649 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-11-25 18:34:08,733 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/bin/uautomizer-ZsLfNo2U6R/data/8db531ea5/c4bd4e6a53c1435f940bb65bafefa3a5/FLAGbceff1a72 [2022-11-25 18:34:08,757 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/bin/uautomizer-ZsLfNo2U6R/data/8db531ea5/c4bd4e6a53c1435f940bb65bafefa3a5 [2022-11-25 18:34:08,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:34:08,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:34:08,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:34:08,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:34:08,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:34:08,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:34:08" (1/1) ... [2022-11-25 18:34:08,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8773367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:08, skipping insertion in model container [2022-11-25 18:34:08,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:34:08" (1/1) ... [2022-11-25 18:34:08,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:34:09,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:34:10,192 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 18:34:10,460 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:34:10,469 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:34:10,469 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 18:34:10,484 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 18:34:10,508 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 18:34:10,527 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 18:34:10,534 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 18:34:10,575 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 18:34:10,584 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:34:10,587 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 18:34:10,596 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 18:34:10,604 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 18:34:10,821 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 18:34:10,822 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:10,903 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 18:34:10,906 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 18:34:10,920 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:34:10,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:10,965 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 18:34:10,970 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 18:34:11,170 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 18:34:11,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:11,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:11,549 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 18:34:11,567 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-11-25 18:34:11,572 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 18:34:11,581 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:11,594 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 18:34:11,599 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:34:11,603 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:11,637 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 18:34:11,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:11,643 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 18:34:11,646 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 18:34:11,648 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-11-25 18:34:11,656 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 18:34:11,660 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:34:11,663 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:11,666 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:11,667 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 18:34:11,668 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:34:11,670 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:34:11,672 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:34:11,673 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 18:34:11,674 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 18:34:11,674 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:34:11,675 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 18:34:11,679 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 18:34:11,680 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 18:34:11,680 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:34:11,681 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 18:34:11,687 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:11,690 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:34:11,705 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 18:34:11,718 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 18:34:11,764 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 18:34:11,775 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 18:34:11,777 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:34:11,782 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:34:11,784 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 18:34:11,787 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 18:34:11,788 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 18:34:11,788 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:34:11,804 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:34:11,813 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:34:11,823 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:34:11,828 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:34:11,853 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:34:11,854 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:34:11,856 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:34:11,860 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:11,898 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 18:34:11,900 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 18:34:11,915 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:11,934 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:11,935 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:34:11,935 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 18:34:11,936 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 18:34:11,939 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 18:34:11,946 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-25 18:34:11,947 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-25 18:34:11,948 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 18:34:11,948 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 18:34:11,949 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 18:34:11,950 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 18:34:11,951 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 18:34:11,952 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:11,953 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 18:34:11,953 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:34:11,954 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:11,955 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:11,957 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 18:34:11,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:11,958 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 18:34:12,342 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 18:34:12,344 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:34:12,346 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:34:12,347 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:34:12,361 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 18:34:12,364 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 18:34:12,368 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:34:12,368 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:34:12,370 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:34:12,372 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 18:34:12,372 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 18:34:12,374 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:34:12,375 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-25 18:34:12,375 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:34:12,376 WARN L623 FunctionHandler]: Unknown extern function ldv_free_irq [2022-11-25 18:34:12,376 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 18:34:12,377 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-11-25 18:34:12,377 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 18:34:12,378 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 18:34:12,379 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:34:12,379 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 18:34:12,380 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:34:12,381 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:34:12,381 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-25 18:34:12,383 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:34:12,383 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-25 18:34:12,384 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:34:12,385 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-25 18:34:12,496 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:12,499 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,503 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,511 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:12,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,516 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,526 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,533 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,536 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,538 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,541 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,542 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,545 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,558 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,565 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,573 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,578 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,580 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,580 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:12,582 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,584 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,587 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,589 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,590 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,592 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,593 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,596 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,600 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,602 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,604 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,634 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,635 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,637 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,639 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,643 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,647 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,652 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,655 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,659 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,660 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,669 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,670 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,673 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,675 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,678 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,681 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,683 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,698 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,700 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,701 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,703 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,705 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:12,706 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:12,764 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,770 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,772 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,781 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,782 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,782 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,783 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,789 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,790 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,792 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:12,796 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,797 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,799 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,801 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,810 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,812 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:12,852 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 18:34:12,961 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:34:12,973 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:34:12,982 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:34:12,982 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:34:12,983 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:34:13,047 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 18:34:13,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:13,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:13,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:13,073 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:13,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:13,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:13,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:13,088 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:13,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:13,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:13,095 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:13,180 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:34:13,194 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,297 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,305 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,313 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,321 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,348 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,355 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,362 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,370 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,377 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,404 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,412 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,419 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,426 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,434 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,462 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,469 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,475 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,482 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,487 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,510 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,517 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,524 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,531 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,538 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,566 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,573 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,581 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,588 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,596 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,625 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,633 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,642 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,650 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,658 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,689 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,697 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,717 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,724 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,734 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,764 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,772 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,779 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,787 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,796 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,826 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,842 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,850 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,858 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,865 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,894 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,902 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,909 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,916 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,923 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,947 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,954 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,960 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,966 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,973 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:13,996 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,002 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,009 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,015 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,022 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,048 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,057 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,064 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,071 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,077 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,101 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,107 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,115 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,122 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,129 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,165 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,166 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,167 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,167 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,168 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,168 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,169 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,169 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,169 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,170 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,170 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,171 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,171 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,171 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,172 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,172 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:14,209 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_001c997c-0aef-4214-8345-0baa0927ac60/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-11-25 18:34:14,216 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_001c997c-0aef-4214-8345-0baa0927ac60/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-11-25 18:34:14,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:34:14,411 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:34:14,588 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 18:34:14,607 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:34:14,608 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:34:14,609 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 18:34:14,610 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 18:34:14,611 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 18:34:14,613 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 18:34:14,613 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 18:34:14,616 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 18:34:14,617 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:34:14,618 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 18:34:14,619 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 18:34:14,619 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 18:34:14,631 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 18:34:14,632 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:14,634 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 18:34:14,637 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 18:34:14,638 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:34:14,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:14,640 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 18:34:14,641 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 18:34:14,644 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 18:34:14,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:14,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:14,651 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 18:34:14,656 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-11-25 18:34:14,657 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 18:34:14,657 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:14,659 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-11-25 18:34:14,660 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:34:14,660 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:14,664 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 18:34:14,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:14,665 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 18:34:14,665 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 18:34:14,667 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-11-25 18:34:14,669 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 18:34:14,669 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 18:34:14,670 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:14,671 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:14,671 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 18:34:14,672 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:34:14,672 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:34:14,673 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:34:14,674 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 18:34:14,674 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 18:34:14,674 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:34:14,675 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 18:34:14,676 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 18:34:14,676 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 18:34:14,677 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:34:14,677 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 18:34:14,678 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:14,679 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:34:14,681 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 18:34:14,684 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 18:34:14,689 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 18:34:14,693 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 18:34:14,695 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:34:14,699 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:34:14,741 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 18:34:14,742 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 18:34:14,743 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 18:34:14,743 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:34:14,746 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:34:14,749 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:34:14,754 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:34:14,757 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:34:14,764 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:34:14,765 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:34:14,766 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:34:14,768 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:14,786 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 18:34:14,787 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 18:34:14,791 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:14,797 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,798 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:34:14,799 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 18:34:14,800 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 18:34:14,802 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 18:34:14,808 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-25 18:34:14,809 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-25 18:34:14,815 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 18:34:14,816 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 18:34:14,817 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 18:34:14,818 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 18:34:14,819 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 18:34:14,820 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:14,820 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 18:34:14,820 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 18:34:14,821 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:14,823 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 18:34:14,824 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 18:34:14,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:14,825 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 18:34:14,831 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 18:34:14,833 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:34:14,834 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:34:14,839 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:34:14,853 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 18:34:14,857 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 18:34:14,866 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:34:14,866 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:34:14,873 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:34:14,874 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 18:34:14,875 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 18:34:14,876 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:34:14,878 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-25 18:34:14,879 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:34:14,879 WARN L623 FunctionHandler]: Unknown extern function ldv_free_irq [2022-11-25 18:34:14,879 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 18:34:14,880 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-11-25 18:34:14,880 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 18:34:14,881 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 18:34:14,881 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:34:14,882 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 18:34:14,882 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:34:14,883 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:34:14,883 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-25 18:34:14,884 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:34:14,884 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-25 18:34:14,885 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 18:34:14,886 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-25 18:34:14,887 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:14,890 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,891 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,892 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,893 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:14,894 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,895 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,897 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,900 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,901 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,903 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,904 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,905 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,906 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,908 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,913 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,914 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,916 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,916 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:14,918 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,919 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,921 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,923 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,924 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,925 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,929 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,930 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,932 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,934 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,935 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,936 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,937 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,938 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,940 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,943 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,945 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,949 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,954 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,955 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,957 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,958 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,961 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,962 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,968 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,969 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,983 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,986 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:14,988 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,991 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:14,991 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 18:34:14,992 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,993 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,994 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,997 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,997 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,998 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,998 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:14,999 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:15,000 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:15,001 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:34:15,005 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:15,006 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:15,008 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:15,010 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:15,012 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:15,014 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 18:34:15,025 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 18:34:15,053 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:34:15,057 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:34:15,058 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:34:15,135 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:34:15,136 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:34:15,146 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 18:34:15,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:15,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:15,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:15,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:15,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:15,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:15,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:15,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:15,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:15,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:15,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:34:15,167 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:34:15,167 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,171 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,172 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,172 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,173 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,173 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,174 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,174 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,175 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,175 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,176 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,177 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,177 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,177 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,178 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,179 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,179 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,180 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,180 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,181 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,181 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,182 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,182 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,183 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,183 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,184 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,185 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,185 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,185 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,186 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,187 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,187 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,188 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,188 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,189 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,189 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,190 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,190 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,191 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,191 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,192 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,193 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,193 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,194 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,194 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,195 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,196 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,196 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,197 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,197 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,198 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,199 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,199 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,200 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,200 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,201 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,202 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,202 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,203 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,203 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,204 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,205 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,205 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,206 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,206 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,207 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,208 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,208 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,209 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,209 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,210 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,211 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,211 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,211 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,212 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,213 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,213 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,214 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,214 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,214 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,214 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,215 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,215 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,215 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,215 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,216 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,216 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,216 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,216 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,217 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,217 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:34:15,220 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_001c997c-0aef-4214-8345-0baa0927ac60/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-11-25 18:34:15,221 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_001c997c-0aef-4214-8345-0baa0927ac60/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-11-25 18:34:15,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:34:15,661 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:34:15,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15 WrapperNode [2022-11-25 18:34:15,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:34:15,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:34:15,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:34:15,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:34:15,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (1/1) ... [2022-11-25 18:34:15,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (1/1) ... [2022-11-25 18:34:16,227 INFO L138 Inliner]: procedures = 574, calls = 6348, calls flagged for inlining = 279, calls inlined = 246, statements flattened = 12126 [2022-11-25 18:34:16,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:34:16,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:34:16,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:34:16,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:34:16,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (1/1) ... [2022-11-25 18:34:16,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (1/1) ... [2022-11-25 18:34:16,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (1/1) ... [2022-11-25 18:34:16,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (1/1) ... [2022-11-25 18:34:16,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (1/1) ... [2022-11-25 18:34:16,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (1/1) ... [2022-11-25 18:34:16,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (1/1) ... [2022-11-25 18:34:16,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (1/1) ... [2022-11-25 18:34:16,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:34:16,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:34:16,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:34:16,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:34:16,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (1/1) ... [2022-11-25 18:34:16,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:34:16,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:34:16,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:34:17,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_001c997c-0aef-4214-8345-0baa0927ac60/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:34:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 18:34:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 18:34:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 18:34:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 18:34:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 18:34:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 18:34:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-11-25 18:34:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-11-25 18:34:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 18:34:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 18:34:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-11-25 18:34:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-11-25 18:34:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 18:34:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 18:34:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 18:34:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 18:34:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-25 18:34:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-25 18:34:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 18:34:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 18:34:17,043 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-11-25 18:34:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-11-25 18:34:17,043 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-11-25 18:34:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-11-25 18:34:17,043 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-11-25 18:34:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-11-25 18:34:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-11-25 18:34:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-11-25 18:34:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-25 18:34:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-25 18:34:17,044 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-11-25 18:34:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-11-25 18:34:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-11-25 18:34:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-11-25 18:34:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 18:34:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 18:34:17,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 18:34:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 18:34:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 18:34:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 18:34:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 18:34:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 18:34:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-11-25 18:34:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-11-25 18:34:17,046 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 18:34:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 18:34:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 18:34:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 18:34:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:34:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-25 18:34:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-25 18:34:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-11-25 18:34:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-11-25 18:34:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 18:34:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 18:34:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-11-25 18:34:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-11-25 18:34:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 18:34:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 18:34:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 18:34:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-11-25 18:34:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-11-25 18:34:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-11-25 18:34:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-11-25 18:34:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 18:34:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 18:34:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-11-25 18:34:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-11-25 18:34:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 18:34:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 18:34:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 18:34:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-11-25 18:34:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-11-25 18:34:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-11-25 18:34:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-11-25 18:34:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:34:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-11-25 18:34:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-11-25 18:34:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 18:34:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 18:34:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-25 18:34:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-25 18:34:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 18:34:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 18:34:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 18:34:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 18:34:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-25 18:34:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-25 18:34:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 18:34:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 18:34:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 18:34:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 18:34:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 18:34:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 18:34:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-11-25 18:34:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-11-25 18:34:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-25 18:34:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-25 18:34:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 18:34:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 18:34:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-11-25 18:34:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-11-25 18:34:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-11-25 18:34:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-11-25 18:34:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-11-25 18:34:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-11-25 18:34:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:34:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-25 18:34:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-25 18:34:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-25 18:34:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-25 18:34:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:34:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-25 18:34:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-25 18:34:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 18:34:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 18:34:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 18:34:17,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 18:34:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:34:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:34:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:34:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-11-25 18:34:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-11-25 18:34:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-11-25 18:34:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-11-25 18:34:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 18:34:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 18:34:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-25 18:34:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-25 18:34:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-25 18:34:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-25 18:34:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-11-25 18:34:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-11-25 18:34:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-25 18:34:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-25 18:34:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-11-25 18:34:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-11-25 18:34:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-11-25 18:34:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-11-25 18:34:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-11-25 18:34:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-11-25 18:34:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-25 18:34:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-25 18:34:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 18:34:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 18:34:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 18:34:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 18:34:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-11-25 18:34:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-11-25 18:34:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-11-25 18:34:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-11-25 18:34:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-11-25 18:34:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-11-25 18:34:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 18:34:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 18:34:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 18:34:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 18:34:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-11-25 18:34:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-11-25 18:34:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:34:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:34:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-25 18:34:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-25 18:34:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-25 18:34:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-25 18:34:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 18:34:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 18:34:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 18:34:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 18:34:17,067 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 18:34:17,067 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 18:34:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 18:34:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 18:34:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-25 18:34:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-25 18:34:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-11-25 18:34:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-11-25 18:34:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 18:34:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 18:34:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-11-25 18:34:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-11-25 18:34:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-25 18:34:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-25 18:34:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 18:34:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 18:34:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 18:34:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 18:34:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-25 18:34:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-25 18:34:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-11-25 18:34:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-11-25 18:34:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-25 18:34:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-25 18:34:17,070 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-25 18:34:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-25 18:34:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 18:34:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 18:34:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-25 18:34:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-25 18:34:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:34:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-25 18:34:17,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-25 18:34:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 18:34:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 18:34:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:34:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-25 18:34:17,072 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-25 18:34:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:34:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 18:34:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 18:34:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-25 18:34:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-25 18:34:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 18:34:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 18:34:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 18:34:17,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 18:34:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 18:34:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 18:34:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-11-25 18:34:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-11-25 18:34:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-11-25 18:34:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-11-25 18:34:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-25 18:34:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-25 18:34:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-25 18:34:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-25 18:34:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 18:34:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 18:34:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 18:34:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 18:34:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-25 18:34:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-25 18:34:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 18:34:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 18:34:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-11-25 18:34:17,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-11-25 18:34:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-25 18:34:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-25 18:34:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 18:34:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 18:34:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:34:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-11-25 18:34:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-11-25 18:34:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 18:34:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 18:34:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-11-25 18:34:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-11-25 18:34:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 18:34:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 18:34:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-11-25 18:34:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-11-25 18:34:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 18:34:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 18:34:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-25 18:34:17,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-25 18:34:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-11-25 18:34:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-11-25 18:34:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-25 18:34:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-25 18:34:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-25 18:34:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-25 18:34:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-11-25 18:34:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-11-25 18:34:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-11-25 18:34:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-11-25 18:34:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-11-25 18:34:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-11-25 18:34:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-11-25 18:34:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-11-25 18:34:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-11-25 18:34:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-11-25 18:34:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 18:34:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 18:34:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 18:34:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 18:34:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-25 18:34:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-25 18:34:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-25 18:34:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-25 18:34:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 18:34:17,083 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 18:34:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:34:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 18:34:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 18:34:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-25 18:34:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-11-25 18:34:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-11-25 18:34:18,792 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:34:18,796 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:34:19,243 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 18:34:53,725 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:34:53,768 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:34:53,768 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 18:34:53,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:34:53 BoogieIcfgContainer [2022-11-25 18:34:53,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:34:53,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:34:53,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:34:53,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:34:53,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:34:08" (1/3) ... [2022-11-25 18:34:53,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1048b8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:34:53, skipping insertion in model container [2022-11-25 18:34:53,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:15" (2/3) ... [2022-11-25 18:34:53,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1048b8d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:34:53, skipping insertion in model container [2022-11-25 18:34:53,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:34:53" (3/3) ... [2022-11-25 18:34:53,788 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-11-25 18:34:53,811 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:34:53,812 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 18:34:53,973 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:34:53,984 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;@4f8d411b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:34:53,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 18:34:54,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 3080 states, 2052 states have (on average 1.2514619883040936) internal successors, (2568), 2096 states have internal predecessors, (2568), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) [2022-11-25 18:34:54,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-25 18:34:54,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:34:54,060 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:34:54,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:34:54,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:34:54,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1431675260, now seen corresponding path program 1 times [2022-11-25 18:34:54,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:34:54,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417615616] [2022-11-25 18:34:54,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:34:54,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:34:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:34:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:34:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:34:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:34:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:34:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:34:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:34:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:34:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:34:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:34:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:34:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:34:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:34:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:34:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:34:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:34:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:34:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:34:56,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:34:56,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417615616] [2022-11-25 18:34:56,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417615616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:34:56,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:34:56,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:34:56,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637175749] [2022-11-25 18:34:56,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:34:56,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:34:56,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:34:56,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:34:56,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:34:56,642 INFO L87 Difference]: Start difference. First operand has 3080 states, 2052 states have (on average 1.2514619883040936) internal successors, (2568), 2096 states have internal predecessors, (2568), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:35:16,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:35:17,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:35:17,092 INFO L93 Difference]: Finished difference Result 6271 states and 8977 transitions. [2022-11-25 18:35:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:35:17,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2022-11-25 18:35:17,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:35:17,150 INFO L225 Difference]: With dead ends: 6271 [2022-11-25 18:35:17,151 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:35:17,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:35:17,184 INFO L413 NwaCegarLoop]: 3083 mSDtfsCounter, 4225 mSDsluCounter, 3612 mSDsCounter, 0 mSdLazyCounter, 4378 mSolverCounterSat, 1853 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4731 SdHoareTripleChecker+Valid, 6695 SdHoareTripleChecker+Invalid, 6232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1853 IncrementalHoareTripleChecker+Valid, 4378 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:35:17,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4731 Valid, 6695 Invalid, 6232 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1853 Valid, 4378 Invalid, 1 Unknown, 0 Unchecked, 19.4s Time] [2022-11-25 18:35:17,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:35:17,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:35:17,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2382133995037221) internal successors, (2495), 2056 states have internal predecessors, (2495), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:35:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4217 transitions. [2022-11-25 18:35:17,588 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4217 transitions. Word has length 163 [2022-11-25 18:35:17,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:35:17,596 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4217 transitions. [2022-11-25 18:35:17,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:35:17,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4217 transitions. [2022-11-25 18:35:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-25 18:35:17,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:35:17,612 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:35:17,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:35:17,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:35:17,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:35:17,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2072504587, now seen corresponding path program 1 times [2022-11-25 18:35:17,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:35:17,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545714488] [2022-11-25 18:35:17,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:35:17,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:35:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:35:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:35:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:35:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:35:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:35:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:35:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:35:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:35:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:35:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:35:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:35:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:35:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:35:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:35:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:35:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:35:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:35:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:35:19,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:35:19,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545714488] [2022-11-25 18:35:19,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545714488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:35:19,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:35:19,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:35:19,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932098183] [2022-11-25 18:35:19,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:35:19,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:35:19,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:35:19,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:35:19,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:35:19,347 INFO L87 Difference]: Start difference. First operand 3010 states and 4217 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:35:41,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:35:41,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:35:41,398 INFO L93 Difference]: Finished difference Result 6143 states and 8664 transitions. [2022-11-25 18:35:41,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:35:41,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2022-11-25 18:35:41,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:35:41,431 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:35:41,431 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:35:41,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:35:41,457 INFO L413 NwaCegarLoop]: 3022 mSDtfsCounter, 6075 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 4265 mSolverCounterSat, 4783 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6075 SdHoareTripleChecker+Valid, 6565 SdHoareTripleChecker+Invalid, 9049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4783 IncrementalHoareTripleChecker+Valid, 4265 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:35:41,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6075 Valid, 6565 Invalid, 9049 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4783 Valid, 4265 Invalid, 1 Unknown, 0 Unchecked, 21.2s Time] [2022-11-25 18:35:41,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:35:41,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:35:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2377171215880893) internal successors, (2494), 2056 states have internal predecessors, (2494), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:35:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4216 transitions. [2022-11-25 18:35:41,801 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4216 transitions. Word has length 164 [2022-11-25 18:35:41,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:35:41,802 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4216 transitions. [2022-11-25 18:35:41,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:35:41,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4216 transitions. [2022-11-25 18:35:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-25 18:35:41,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:35:41,810 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:35:41,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:35:41,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:35:41,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:35:41,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1081586456, now seen corresponding path program 1 times [2022-11-25 18:35:41,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:35:41,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793953604] [2022-11-25 18:35:41,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:35:41,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:35:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:35:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:35:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:35:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:35:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:35:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:35:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:35:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:35:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:35:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:35:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:35:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:35:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:35:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:35:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:35:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:35:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:35:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:35:43,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:35:43,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793953604] [2022-11-25 18:35:43,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793953604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:35:43,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:35:43,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:35:43,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435269989] [2022-11-25 18:35:43,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:35:43,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:35:43,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:35:43,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:35:43,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:35:43,572 INFO L87 Difference]: Start difference. First operand 3010 states and 4216 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:36:03,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:03,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:36:03,880 INFO L93 Difference]: Finished difference Result 6143 states and 8662 transitions. [2022-11-25 18:36:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:36:03,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2022-11-25 18:36:03,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:36:03,910 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:36:03,911 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:36:03,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:36:03,934 INFO L413 NwaCegarLoop]: 3022 mSDtfsCounter, 6071 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 4263 mSolverCounterSat, 4783 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6071 SdHoareTripleChecker+Valid, 6565 SdHoareTripleChecker+Invalid, 9047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4783 IncrementalHoareTripleChecker+Valid, 4263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:36:03,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6071 Valid, 6565 Invalid, 9047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4783 Valid, 4263 Invalid, 1 Unknown, 0 Unchecked, 19.6s Time] [2022-11-25 18:36:03,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:36:04,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:36:04,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2372208436724565) internal successors, (2493), 2056 states have internal predecessors, (2493), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:36:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4215 transitions. [2022-11-25 18:36:04,346 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4215 transitions. Word has length 165 [2022-11-25 18:36:04,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:36:04,347 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4215 transitions. [2022-11-25 18:36:04,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:36:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4215 transitions. [2022-11-25 18:36:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-25 18:36:04,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:36:04,351 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:36:04,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:36:04,351 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:36:04,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:36:04,352 INFO L85 PathProgramCache]: Analyzing trace with hash 188677585, now seen corresponding path program 1 times [2022-11-25 18:36:04,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:36:04,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979156505] [2022-11-25 18:36:04,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:36:04,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:36:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:36:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:36:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:36:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:36:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:36:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:36:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:36:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:36:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:36:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:36:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:36:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:36:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:36:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:36:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:36:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:36:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:36:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:05,899 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:36:05,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:36:05,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979156505] [2022-11-25 18:36:05,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979156505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:36:05,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:36:05,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:36:05,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151282640] [2022-11-25 18:36:05,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:36:05,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:36:05,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:36:05,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:36:05,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:36:05,906 INFO L87 Difference]: Start difference. First operand 3010 states and 4215 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:36:25,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:25,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:36:25,386 INFO L93 Difference]: Finished difference Result 6143 states and 8660 transitions. [2022-11-25 18:36:25,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:36:25,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2022-11-25 18:36:25,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:36:25,409 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:36:25,410 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:36:25,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:36:25,429 INFO L413 NwaCegarLoop]: 3022 mSDtfsCounter, 6067 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 4261 mSolverCounterSat, 4783 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6067 SdHoareTripleChecker+Valid, 6565 SdHoareTripleChecker+Invalid, 9045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4783 IncrementalHoareTripleChecker+Valid, 4261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:36:25,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6067 Valid, 6565 Invalid, 9045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4783 Valid, 4261 Invalid, 1 Unknown, 0 Unchecked, 18.8s Time] [2022-11-25 18:36:25,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:36:25,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:36:25,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2367245657568238) internal successors, (2492), 2056 states have internal predecessors, (2492), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:36:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4214 transitions. [2022-11-25 18:36:25,734 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4214 transitions. Word has length 166 [2022-11-25 18:36:25,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:36:25,735 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4214 transitions. [2022-11-25 18:36:25,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:36:25,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4214 transitions. [2022-11-25 18:36:25,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-25 18:36:25,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:36:25,740 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:36:25,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:36:25,741 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:36:25,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:36:25,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1607177036, now seen corresponding path program 1 times [2022-11-25 18:36:25,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:36:25,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893686482] [2022-11-25 18:36:25,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:36:25,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:36:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:36:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:36:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:36:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:36:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:36:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:36:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:36:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:36:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:36:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:36:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:36:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:36:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:36:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:36:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:36:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:36:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:36:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:36:27,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:36:27,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893686482] [2022-11-25 18:36:27,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893686482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:36:27,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:36:27,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:36:27,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330003788] [2022-11-25 18:36:27,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:36:27,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:36:27,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:36:27,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:36:27,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:36:27,102 INFO L87 Difference]: Start difference. First operand 3010 states and 4214 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:36:45,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:46,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:36:46,119 INFO L93 Difference]: Finished difference Result 6143 states and 8658 transitions. [2022-11-25 18:36:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:36:46,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 167 [2022-11-25 18:36:46,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:36:46,140 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:36:46,140 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:36:46,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:36:46,157 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 6063 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 4260 mSolverCounterSat, 4781 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6063 SdHoareTripleChecker+Valid, 6567 SdHoareTripleChecker+Invalid, 9042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4781 IncrementalHoareTripleChecker+Valid, 4260 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:36:46,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6063 Valid, 6567 Invalid, 9042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4781 Valid, 4260 Invalid, 1 Unknown, 0 Unchecked, 18.4s Time] [2022-11-25 18:36:46,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:36:46,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:36:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.236228287841191) internal successors, (2491), 2056 states have internal predecessors, (2491), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:36:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4213 transitions. [2022-11-25 18:36:46,444 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4213 transitions. Word has length 167 [2022-11-25 18:36:46,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:36:46,444 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4213 transitions. [2022-11-25 18:36:46,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:36:46,445 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4213 transitions. [2022-11-25 18:36:46,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-25 18:36:46,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:36:46,448 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:36:46,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:36:46,449 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:36:46,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:36:46,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1329578835, now seen corresponding path program 1 times [2022-11-25 18:36:46,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:36:46,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579286961] [2022-11-25 18:36:46,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:36:46,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:36:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:36:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:36:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:36:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:36:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:36:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:36:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:36:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:36:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:36:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:36:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:36:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:36:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:36:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:36:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:36:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:36:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:36:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:36:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:36:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:36:47,822 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:36:47,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:36:47,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579286961] [2022-11-25 18:36:47,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579286961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:36:47,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:36:47,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:36:47,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29949354] [2022-11-25 18:36:47,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:36:47,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:36:47,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:36:47,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:36:47,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:36:47,824 INFO L87 Difference]: Start difference. First operand 3010 states and 4213 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:37:06,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:06,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:06,524 INFO L93 Difference]: Finished difference Result 6143 states and 8656 transitions. [2022-11-25 18:37:06,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:37:06,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2022-11-25 18:37:06,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:06,546 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:37:06,546 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:37:06,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:37:06,560 INFO L413 NwaCegarLoop]: 3021 mSDtfsCounter, 6059 mSDsluCounter, 3542 mSDsCounter, 0 mSdLazyCounter, 4256 mSolverCounterSat, 4785 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6059 SdHoareTripleChecker+Valid, 6563 SdHoareTripleChecker+Invalid, 9042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4785 IncrementalHoareTripleChecker+Valid, 4256 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:06,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6059 Valid, 6563 Invalid, 9042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4785 Valid, 4256 Invalid, 1 Unknown, 0 Unchecked, 18.0s Time] [2022-11-25 18:37:06,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:37:06,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:37:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2357320099255582) internal successors, (2490), 2056 states have internal predecessors, (2490), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:37:06,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4212 transitions. [2022-11-25 18:37:06,924 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4212 transitions. Word has length 168 [2022-11-25 18:37:06,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:06,925 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4212 transitions. [2022-11-25 18:37:06,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:37:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4212 transitions. [2022-11-25 18:37:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-25 18:37:06,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:06,929 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:06,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:37:06,930 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:06,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:06,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1199452592, now seen corresponding path program 1 times [2022-11-25 18:37:06,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:06,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026167446] [2022-11-25 18:37:06,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:06,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:07,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:37:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:07,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:37:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:07,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:37:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:37:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:37:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:37:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:37:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:37:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:37:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:37:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:37:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:37:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:37:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:37:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:37:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:37:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:37:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:37:08,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:37:08,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026167446] [2022-11-25 18:37:08,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026167446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:08,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:08,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:37:08,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317562255] [2022-11-25 18:37:08,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:08,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:37:08,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:37:08,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:37:08,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:37:08,404 INFO L87 Difference]: Start difference. First operand 3010 states and 4212 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:37:27,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:27,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:27,399 INFO L93 Difference]: Finished difference Result 6143 states and 8654 transitions. [2022-11-25 18:37:27,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:37:27,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 169 [2022-11-25 18:37:27,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:27,421 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:37:27,421 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:37:27,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:37:27,430 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 6055 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 4256 mSolverCounterSat, 4781 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6055 SdHoareTripleChecker+Valid, 6567 SdHoareTripleChecker+Invalid, 9038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4781 IncrementalHoareTripleChecker+Valid, 4256 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:27,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6055 Valid, 6567 Invalid, 9038 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4781 Valid, 4256 Invalid, 1 Unknown, 0 Unchecked, 18.3s Time] [2022-11-25 18:37:27,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:37:27,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:37:27,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2352357320099256) internal successors, (2489), 2056 states have internal predecessors, (2489), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:37:27,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4211 transitions. [2022-11-25 18:37:27,737 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4211 transitions. Word has length 169 [2022-11-25 18:37:27,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:27,737 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4211 transitions. [2022-11-25 18:37:27,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:37:27,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4211 transitions. [2022-11-25 18:37:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-25 18:37:27,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:27,743 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:27,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:37:27,744 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:27,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:27,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1345989751, now seen corresponding path program 1 times [2022-11-25 18:37:27,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:27,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352345706] [2022-11-25 18:37:27,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:27,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:37:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:37:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:37:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:37:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:37:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:37:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:37:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:37:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:37:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:37:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:37:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:37:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:37:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:37:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:37:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:37:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:37:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:37:28,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:37:28,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352345706] [2022-11-25 18:37:28,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352345706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:28,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:28,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:37:28,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970684246] [2022-11-25 18:37:28,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:28,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:37:28,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:37:28,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:37:28,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:37:28,996 INFO L87 Difference]: Start difference. First operand 3010 states and 4211 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:37:48,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:48,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:48,459 INFO L93 Difference]: Finished difference Result 6143 states and 8652 transitions. [2022-11-25 18:37:48,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:37:48,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 170 [2022-11-25 18:37:48,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:48,482 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:37:48,482 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:37:48,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:37:48,498 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 6051 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 4254 mSolverCounterSat, 4781 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6051 SdHoareTripleChecker+Valid, 6567 SdHoareTripleChecker+Invalid, 9036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4781 IncrementalHoareTripleChecker+Valid, 4254 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:48,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6051 Valid, 6567 Invalid, 9036 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4781 Valid, 4254 Invalid, 1 Unknown, 0 Unchecked, 18.7s Time] [2022-11-25 18:37:48,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:37:48,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:37:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2347394540942929) internal successors, (2488), 2056 states have internal predecessors, (2488), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:37:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4210 transitions. [2022-11-25 18:37:48,823 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4210 transitions. Word has length 170 [2022-11-25 18:37:48,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:48,824 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4210 transitions. [2022-11-25 18:37:48,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:37:48,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4210 transitions. [2022-11-25 18:37:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-25 18:37:48,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:48,830 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:48,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:37:48,830 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:48,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:48,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1479157780, now seen corresponding path program 1 times [2022-11-25 18:37:48,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:48,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663298782] [2022-11-25 18:37:48,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:48,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:37:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:37:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:37:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:37:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:37:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:37:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:37:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:37:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:37:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:37:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:37:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:37:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:37:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:37:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:37:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:37:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:37:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:37:50,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:37:50,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663298782] [2022-11-25 18:37:50,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663298782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:50,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:50,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:37:50,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259092129] [2022-11-25 18:37:50,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:50,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:37:50,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:37:50,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:37:50,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:37:50,146 INFO L87 Difference]: Start difference. First operand 3010 states and 4210 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:38:08,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:08,428 INFO L93 Difference]: Finished difference Result 6143 states and 8650 transitions. [2022-11-25 18:38:08,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:38:08,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 171 [2022-11-25 18:38:08,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:08,450 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:38:08,450 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:38:08,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:38:08,465 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 6047 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 4252 mSolverCounterSat, 4781 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6047 SdHoareTripleChecker+Valid, 6567 SdHoareTripleChecker+Invalid, 9034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4781 IncrementalHoareTripleChecker+Valid, 4252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:08,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6047 Valid, 6567 Invalid, 9034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4781 Valid, 4252 Invalid, 1 Unknown, 0 Unchecked, 17.6s Time] [2022-11-25 18:38:08,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:38:08,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:38:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.23424317617866) internal successors, (2487), 2056 states have internal predecessors, (2487), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:38:08,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4209 transitions. [2022-11-25 18:38:08,715 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4209 transitions. Word has length 171 [2022-11-25 18:38:08,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:08,716 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4209 transitions. [2022-11-25 18:38:08,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:38:08,717 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4209 transitions. [2022-11-25 18:38:08,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-25 18:38:08,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:08,721 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:08,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:38:08,721 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:08,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:08,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1197882779, now seen corresponding path program 1 times [2022-11-25 18:38:08,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:38:08,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257336227] [2022-11-25 18:38:08,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:38:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:38:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:38:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:38:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:38:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:38:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:38:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:38:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:38:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:38:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:38:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:38:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:38:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:38:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:38:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:38:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:38:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:38:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:38:09,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:38:09,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257336227] [2022-11-25 18:38:09,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257336227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:09,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:09,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:38:09,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298736764] [2022-11-25 18:38:09,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:09,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:38:09,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:38:09,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:38:09,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:38:09,859 INFO L87 Difference]: Start difference. First operand 3010 states and 4209 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:38:28,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:28,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:28,819 INFO L93 Difference]: Finished difference Result 6143 states and 8648 transitions. [2022-11-25 18:38:28,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:38:28,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 172 [2022-11-25 18:38:28,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:28,837 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:38:28,837 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:38:28,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:38:28,852 INFO L413 NwaCegarLoop]: 3021 mSDtfsCounter, 6043 mSDsluCounter, 3542 mSDsCounter, 0 mSdLazyCounter, 4248 mSolverCounterSat, 4785 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6043 SdHoareTripleChecker+Valid, 6563 SdHoareTripleChecker+Invalid, 9034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4785 IncrementalHoareTripleChecker+Valid, 4248 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:28,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6043 Valid, 6563 Invalid, 9034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4785 Valid, 4248 Invalid, 1 Unknown, 0 Unchecked, 18.2s Time] [2022-11-25 18:38:28,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:38:29,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:38:29,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2337468982630273) internal successors, (2486), 2056 states have internal predecessors, (2486), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:38:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4208 transitions. [2022-11-25 18:38:29,160 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4208 transitions. Word has length 172 [2022-11-25 18:38:29,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:29,160 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4208 transitions. [2022-11-25 18:38:29,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:38:29,161 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4208 transitions. [2022-11-25 18:38:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-25 18:38:29,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:29,165 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:29,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:38:29,165 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:29,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:29,166 INFO L85 PathProgramCache]: Analyzing trace with hash -953775736, now seen corresponding path program 1 times [2022-11-25 18:38:29,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:38:29,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507246289] [2022-11-25 18:38:29,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:29,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:38:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:29,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:38:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:38:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:38:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:38:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:38:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:38:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:38:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:38:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:38:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:38:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:38:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:38:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:38:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:38:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:38:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:38:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:38:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:38:30,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:38:30,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507246289] [2022-11-25 18:38:30,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507246289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:30,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:30,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:38:30,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075742556] [2022-11-25 18:38:30,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:30,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:38:30,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:38:30,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:38:30,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:38:30,404 INFO L87 Difference]: Start difference. First operand 3010 states and 4208 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:38:48,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:48,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:48,826 INFO L93 Difference]: Finished difference Result 6143 states and 8646 transitions. [2022-11-25 18:38:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:38:48,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 173 [2022-11-25 18:38:48,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:48,845 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:38:48,845 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:38:48,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:38:48,853 INFO L413 NwaCegarLoop]: 3021 mSDtfsCounter, 6039 mSDsluCounter, 3542 mSDsCounter, 0 mSdLazyCounter, 4246 mSolverCounterSat, 4785 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6039 SdHoareTripleChecker+Valid, 6563 SdHoareTripleChecker+Invalid, 9032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4785 IncrementalHoareTripleChecker+Valid, 4246 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:48,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6039 Valid, 6563 Invalid, 9032 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4785 Valid, 4246 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2022-11-25 18:38:48,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:38:49,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:38:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2332506203473945) internal successors, (2485), 2056 states have internal predecessors, (2485), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:38:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4207 transitions. [2022-11-25 18:38:49,128 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4207 transitions. Word has length 173 [2022-11-25 18:38:49,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:49,128 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4207 transitions. [2022-11-25 18:38:49,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:38:49,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4207 transitions. [2022-11-25 18:38:49,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-25 18:38:49,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:49,133 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:49,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 18:38:49,133 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:49,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:49,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1861875391, now seen corresponding path program 1 times [2022-11-25 18:38:49,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:38:49,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104486308] [2022-11-25 18:38:49,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:49,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:38:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:38:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:38:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:38:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:38:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:38:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:38:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:38:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:38:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:38:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:38:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:38:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:38:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:38:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:38:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:38:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:38:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:38:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:38:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:38:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:38:50,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:38:50,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104486308] [2022-11-25 18:38:50,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104486308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:50,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:50,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:38:50,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684355316] [2022-11-25 18:38:50,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:50,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:38:50,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:38:50,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:38:50,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:38:50,131 INFO L87 Difference]: Start difference. First operand 3010 states and 4207 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:39:08,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:08,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:08,334 INFO L93 Difference]: Finished difference Result 6143 states and 8644 transitions. [2022-11-25 18:39:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:39:08,334 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 174 [2022-11-25 18:39:08,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:08,353 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:39:08,353 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:39:08,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:39:08,367 INFO L413 NwaCegarLoop]: 3022 mSDtfsCounter, 6035 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 4245 mSolverCounterSat, 4783 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6035 SdHoareTripleChecker+Valid, 6565 SdHoareTripleChecker+Invalid, 9029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4783 IncrementalHoareTripleChecker+Valid, 4245 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:08,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6035 Valid, 6565 Invalid, 9029 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4783 Valid, 4245 Invalid, 1 Unknown, 0 Unchecked, 17.4s Time] [2022-11-25 18:39:08,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:39:08,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:39:08,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2327543424317617) internal successors, (2484), 2056 states have internal predecessors, (2484), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:39:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4206 transitions. [2022-11-25 18:39:08,774 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4206 transitions. Word has length 174 [2022-11-25 18:39:08,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:08,774 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4206 transitions. [2022-11-25 18:39:08,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:39:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4206 transitions. [2022-11-25 18:39:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-25 18:39:08,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:08,781 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:08,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 18:39:08,781 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:39:08,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:08,782 INFO L85 PathProgramCache]: Analyzing trace with hash 166322980, now seen corresponding path program 1 times [2022-11-25 18:39:08,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:39:08,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100744221] [2022-11-25 18:39:08,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:08,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:39:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:39:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:39:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:39:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:39:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:39:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:39:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:39:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:39:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:39:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:39:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:39:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:39:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:39:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:39:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:39:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:39:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:39:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:39:09,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:39:09,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100744221] [2022-11-25 18:39:09,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100744221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:09,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:39:09,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:39:09,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217499886] [2022-11-25 18:39:09,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:09,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:39:09,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:39:09,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:39:09,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:39:09,953 INFO L87 Difference]: Start difference. First operand 3010 states and 4206 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:39:28,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:28,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:28,531 INFO L93 Difference]: Finished difference Result 6143 states and 8642 transitions. [2022-11-25 18:39:28,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:39:28,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2022-11-25 18:39:28,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:28,548 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:39:28,548 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:39:28,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:39:28,564 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 6031 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 4244 mSolverCounterSat, 4781 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6031 SdHoareTripleChecker+Valid, 6567 SdHoareTripleChecker+Invalid, 9026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4781 IncrementalHoareTripleChecker+Valid, 4244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:28,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6031 Valid, 6567 Invalid, 9026 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4781 Valid, 4244 Invalid, 1 Unknown, 0 Unchecked, 17.7s Time] [2022-11-25 18:39:28,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:39:28,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:39:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.232258064516129) internal successors, (2483), 2056 states have internal predecessors, (2483), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:39:29,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4205 transitions. [2022-11-25 18:39:29,009 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4205 transitions. Word has length 175 [2022-11-25 18:39:29,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:29,010 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4205 transitions. [2022-11-25 18:39:29,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:39:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4205 transitions. [2022-11-25 18:39:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-25 18:39:29,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:29,013 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:29,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 18:39:29,014 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:39:29,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:29,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1269520355, now seen corresponding path program 1 times [2022-11-25 18:39:29,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:39:29,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101879243] [2022-11-25 18:39:29,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:29,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:39:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:39:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:39:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:39:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:39:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:39:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:39:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:39:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:39:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:39:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:39:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:39:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:39:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:39:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:30,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:39:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:39:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:30,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:39:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:30,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:39:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:39:30,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:39:30,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101879243] [2022-11-25 18:39:30,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101879243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:30,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:39:30,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:39:30,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596134728] [2022-11-25 18:39:30,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:30,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:39:30,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:39:30,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:39:30,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:39:30,223 INFO L87 Difference]: Start difference. First operand 3010 states and 4205 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:39:48,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:48,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:48,430 INFO L93 Difference]: Finished difference Result 6143 states and 8640 transitions. [2022-11-25 18:39:48,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:39:48,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 176 [2022-11-25 18:39:48,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:48,449 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:39:48,450 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:39:48,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:39:48,539 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 6027 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 4242 mSolverCounterSat, 4781 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6027 SdHoareTripleChecker+Valid, 6567 SdHoareTripleChecker+Invalid, 9024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4781 IncrementalHoareTripleChecker+Valid, 4242 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:48,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6027 Valid, 6567 Invalid, 9024 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4781 Valid, 4242 Invalid, 1 Unknown, 0 Unchecked, 17.4s Time] [2022-11-25 18:39:48,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:39:48,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:39:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2317617866004962) internal successors, (2482), 2056 states have internal predecessors, (2482), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:39:48,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4204 transitions. [2022-11-25 18:39:48,958 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4204 transitions. Word has length 176 [2022-11-25 18:39:48,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:48,958 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4204 transitions. [2022-11-25 18:39:48,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:39:48,959 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4204 transitions. [2022-11-25 18:39:48,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-25 18:39:48,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:48,962 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:48,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 18:39:48,962 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:39:48,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:48,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1578493120, now seen corresponding path program 1 times [2022-11-25 18:39:48,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:39:48,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347047547] [2022-11-25 18:39:48,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:48,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:39:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:39:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:39:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:39:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:39:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:39:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:39:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:39:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:39:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:39:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:39:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:39:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:39:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:39:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:39:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:39:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:39:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:39:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:39:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:39:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:49,948 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:39:49,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:39:49,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347047547] [2022-11-25 18:39:49,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347047547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:49,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:39:49,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:39:49,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869421353] [2022-11-25 18:39:49,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:49,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:39:49,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:39:49,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:39:49,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:39:49,952 INFO L87 Difference]: Start difference. First operand 3010 states and 4204 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:40:06,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:07,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:07,155 INFO L93 Difference]: Finished difference Result 6143 states and 8638 transitions. [2022-11-25 18:40:07,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:40:07,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2022-11-25 18:40:07,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:07,173 INFO L225 Difference]: With dead ends: 6143 [2022-11-25 18:40:07,174 INFO L226 Difference]: Without dead ends: 3150 [2022-11-25 18:40:07,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:40:07,186 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 6023 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 4240 mSolverCounterSat, 4781 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6023 SdHoareTripleChecker+Valid, 6567 SdHoareTripleChecker+Invalid, 9022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4781 IncrementalHoareTripleChecker+Valid, 4240 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:07,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6023 Valid, 6567 Invalid, 9022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4781 Valid, 4240 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2022-11-25 18:40:07,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-11-25 18:40:07,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-11-25 18:40:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2312655086848636) internal successors, (2481), 2056 states have internal predecessors, (2481), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:40:07,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4203 transitions. [2022-11-25 18:40:07,729 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4203 transitions. Word has length 177 [2022-11-25 18:40:07,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:07,730 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4203 transitions. [2022-11-25 18:40:07,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 18:40:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4203 transitions. [2022-11-25 18:40:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-25 18:40:07,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:40:07,733 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:40:07,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 18:40:07,734 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:40:07,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:07,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1607122271, now seen corresponding path program 1 times [2022-11-25 18:40:07,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:40:07,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385905228] [2022-11-25 18:40:07,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:07,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:40:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:40:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:40:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:40:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:40:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:40:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:40:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:40:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:40:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:40:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:40:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:40:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:40:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:40:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:40:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 18:40:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 18:40:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-25 18:40:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-25 18:40:08,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:40:08,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385905228] [2022-11-25 18:40:08,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385905228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:40:08,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:40:08,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:40:08,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330617187] [2022-11-25 18:40:08,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:40:08,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:40:08,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:40:08,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:40:08,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:40:08,814 INFO L87 Difference]: Start difference. First operand 3010 states and 4203 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-25 18:40:31,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:31,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:31,594 INFO L93 Difference]: Finished difference Result 3151 states and 4422 transitions. [2022-11-25 18:40:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:40:31,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 177 [2022-11-25 18:40:31,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:31,609 INFO L225 Difference]: With dead ends: 3151 [2022-11-25 18:40:31,610 INFO L226 Difference]: Without dead ends: 3149 [2022-11-25 18:40:31,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:40:31,613 INFO L413 NwaCegarLoop]: 3039 mSDtfsCounter, 1103 mSDsluCounter, 9386 mSDsCounter, 0 mSdLazyCounter, 6849 mSolverCounterSat, 672 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 12425 SdHoareTripleChecker+Invalid, 7522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 6849 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:31,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1385 Valid, 12425 Invalid, 7522 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [672 Valid, 6849 Invalid, 1 Unknown, 0 Unchecked, 21.9s Time] [2022-11-25 18:40:31,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2022-11-25 18:40:32,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3008. [2022-11-25 18:40:32,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3008 states, 2014 states have (on average 1.230883813306852) internal successors, (2479), 2054 states have internal predecessors, (2479), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-11-25 18:40:32,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 4201 transitions. [2022-11-25 18:40:32,057 INFO L78 Accepts]: Start accepts. Automaton has 3008 states and 4201 transitions. Word has length 177 [2022-11-25 18:40:32,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:32,058 INFO L495 AbstractCegarLoop]: Abstraction has 3008 states and 4201 transitions. [2022-11-25 18:40:32,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-25 18:40:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 4201 transitions. [2022-11-25 18:40:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-25 18:40:32,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:40:32,062 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 18:40:32,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 18:40:32,062 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:40:32,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:32,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1225990296, now seen corresponding path program 1 times [2022-11-25 18:40:32,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:40:32,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996723143] [2022-11-25 18:40:32,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:32,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:40:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 18:40:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 18:40:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:40:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:40:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:40:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:40:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 18:40:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:40:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 18:40:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:40:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:40:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-25 18:40:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 18:40:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 18:40:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:40:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-25 18:40:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-25 18:40:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:40:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-25 18:40:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-25 18:40:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2022-11-25 18:40:33,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:40:33,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996723143] [2022-11-25 18:40:33,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996723143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:40:33,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:40:33,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:40:33,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488912432] [2022-11-25 18:40:33,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:40:33,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:40:33,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:40:33,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:40:33,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:40:33,551 INFO L87 Difference]: Start difference. First operand 3008 states and 4201 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-25 18:40:55,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:55,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:55,231 INFO L93 Difference]: Finished difference Result 3147 states and 4414 transitions. [2022-11-25 18:40:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:40:55,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 201 [2022-11-25 18:40:55,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:55,233 INFO L225 Difference]: With dead ends: 3147 [2022-11-25 18:40:55,234 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 18:40:55,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:40:55,244 INFO L413 NwaCegarLoop]: 3039 mSDtfsCounter, 1101 mSDsluCounter, 9394 mSDsCounter, 0 mSdLazyCounter, 6817 mSolverCounterSat, 672 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 12433 SdHoareTripleChecker+Invalid, 7490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 6817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:55,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1383 Valid, 12433 Invalid, 7490 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [672 Valid, 6817 Invalid, 1 Unknown, 0 Unchecked, 20.9s Time] [2022-11-25 18:40:55,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 18:40:55,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 18:40:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:40:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 18:40:55,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2022-11-25 18:40:55,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:55,246 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:40:55,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-25 18:40:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:40:55,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 18:40:55,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-25 18:40:55,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-11-25 18:40:55,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 18:40:55,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 18:43:15,849 WARN L233 SmtUtils]: Spent 2.32m on a formula simplification. DAG size of input: 90 DAG size of output: 88 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-25 18:45:40,031 WARN L233 SmtUtils]: Spent 2.40m on a formula simplification. DAG size of input: 90 DAG size of output: 88 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)