./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:11:00,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:11:00,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:11:00,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:11:00,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:11:00,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:11:00,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:11:00,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:11:00,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:11:00,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:11:00,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:11:00,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:11:00,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:11:00,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:11:00,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:11:00,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:11:00,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:11:00,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:11:00,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:11:00,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:11:00,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:11:00,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:11:00,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:11:00,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:11:00,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:11:00,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:11:00,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:11:00,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:11:00,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:11:00,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:11:00,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:11:00,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:11:00,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:11:00,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:11:00,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:11:00,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:11:00,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:11:00,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:11:00,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:11:00,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:11:00,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:11:00,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 11:11:00,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:11:00,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:11:00,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:11:00,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:11:00,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:11:00,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:11:00,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:11:00,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:11:00,946 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:11:00,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:11:00,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:11:00,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:11:00,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:11:00,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:11:00,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:11:00,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:11:00,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:11:00,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:11:00,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:11:00,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:11:00,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:11:00,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:11:00,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:11:00,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:11:00,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:11:00,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:11:00,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:11:00,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:11:00,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:11:00,950 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:11:00,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:11:00,950 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:11:00,951 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_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa052019b2e545fedc58252b88c286bfb7f233e130d9e12072cdb5cf6783cf5f [2022-12-13 11:11:01,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:11:01,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:11:01,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:11:01,151 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:11:01,151 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:11:01,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-12-13 11:11:03,685 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:11:04,074 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:11:04,074 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-12-13 11:11:04,097 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/data/df24cb00c/d7cf8c80dc104df0a1cc652cb70d8abc/FLAG2e25168ca [2022-12-13 11:11:04,256 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/data/df24cb00c/d7cf8c80dc104df0a1cc652cb70d8abc [2022-12-13 11:11:04,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:11:04,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:11:04,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:11:04,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:11:04,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:11:04,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:11:04" (1/1) ... [2022-12-13 11:11:04,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4161e72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:04, skipping insertion in model container [2022-12-13 11:11:04,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:11:04" (1/1) ... [2022-12-13 11:11:04,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:11:04,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:11:04,901 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 11:11:04,946 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 11:11:04,957 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 11:11:04,966 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 11:11:04,980 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-13 11:11:05,238 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 11:11:05,317 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-13 11:11:05,369 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:11:05,373 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:11:05,373 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 11:11:05,378 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 11:11:05,393 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 11:11:05,397 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 11:11:05,409 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 11:11:05,469 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-13 11:11:05,505 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 11:11:05,521 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 11:11:05,713 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:11:05,724 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 11:11:05,724 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 11:11:05,724 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:11:05,725 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-12-13 11:11:05,725 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 11:11:05,728 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 11:11:05,729 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 11:11:05,729 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 11:11:05,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,734 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,735 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,735 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,735 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,737 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 11:11:05,737 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 11:11:05,737 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,738 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 11:11:05,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,740 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,740 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,741 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 11:11:05,745 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 11:11:05,745 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 11:11:05,746 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:11:05,746 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,747 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,747 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,748 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:11:05,749 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:11:05,750 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 11:11:05,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,756 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 11:11:05,757 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 11:11:05,757 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 11:11:05,758 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 11:11:05,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,759 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,759 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,763 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 11:11:05,764 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 11:11:05,768 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:11:05,769 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:11:05,769 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:11:05,778 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,781 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:11:05,783 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 11:11:05,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,786 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,787 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,789 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,797 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,802 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,812 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,812 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,814 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:11:05,816 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,817 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:11:05,818 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 11:11:05,818 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 11:11:05,820 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,820 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,822 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:11:05,823 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,824 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,826 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,832 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:11:05,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,839 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,839 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,847 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:11:05,848 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:11:05,853 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,853 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:11:05,854 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,855 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,856 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,857 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:11:05,859 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:11:05,859 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,861 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,861 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,863 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,865 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,870 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 11:11:05,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,872 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,875 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:11:05,875 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,876 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,877 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:05,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,879 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:11:05,880 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:05,880 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:11:05,880 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:11:05,932 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:11:05,934 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:11:05,934 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:11:05,934 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:11:05,935 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 11:11:05,935 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 11:11:05,936 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:11:05,936 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:11:05,936 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:11:05,937 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_6 [2022-12-13 11:11:05,937 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_6 [2022-12-13 11:11:05,938 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_7 [2022-12-13 11:11:05,939 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_7 [2022-12-13 11:11:05,939 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_7 [2022-12-13 11:11:05,939 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_7 [2022-12-13 11:11:05,940 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_7 [2022-12-13 11:11:05,940 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_7 [2022-12-13 11:11:05,940 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_7 [2022-12-13 11:11:05,941 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 11:11:05,942 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 11:11:05,943 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 11:11:05,943 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 11:11:05,943 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 11:11:05,944 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 11:11:05,944 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 11:11:05,946 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 11:11:05,946 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 11:11:05,947 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:11:05,947 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 11:11:05,947 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 11:11:05,948 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 11:11:05,948 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 11:11:05,948 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 11:11:05,949 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 11:11:05,949 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:11:05,949 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 11:11:05,949 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:11:05,950 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 11:11:05,950 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 11:11:05,954 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_8fdb1ed5-17e6-446c-b637-502eb9749b0a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-12-13 11:11:05,978 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 11:11:06,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:11:06,030 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:11:06,108 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 11:11:06,109 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 11:11:06,109 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 11:11:06,109 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 11:11:06,110 WARN L623 FunctionHandler]: Unknown extern function __msecs_to_jiffies [2022-12-13 11:11:06,112 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 11:11:06,113 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-13 11:11:06,116 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:11:06,117 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:11:06,117 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 11:11:06,118 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 11:11:06,119 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 11:11:06,119 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 11:11:06,120 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 11:11:06,122 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-13 11:11:06,123 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 11:11:06,124 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 11:11:06,133 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:11:06,134 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 11:11:06,134 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 11:11:06,134 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:11:06,134 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-12-13 11:11:06,134 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 11:11:06,135 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 11:11:06,135 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 11:11:06,135 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 11:11:06,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,139 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 11:11:06,139 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 11:11:06,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,140 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 11:11:06,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,143 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 11:11:06,144 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 11:11:06,145 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 11:11:06,145 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:11:06,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,146 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,146 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,147 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:11:06,147 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:11:06,148 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 11:11:06,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,150 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 11:11:06,150 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 11:11:06,151 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 11:11:06,151 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 11:11:06,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,152 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 11:11:06,153 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 11:11:06,153 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:11:06,154 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:11:06,154 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:11:06,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,158 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:11:06,159 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 11:11:06,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,163 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,164 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,186 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,188 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:11:06,190 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,191 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:11:06,192 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 11:11:06,192 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 11:11:06,194 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,196 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:11:06,197 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,198 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,200 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,208 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:11:06,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,218 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,226 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:11:06,226 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:11:06,232 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,233 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:11:06,234 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,235 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,237 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,238 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:11:06,240 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:11:06,240 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,243 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,244 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,244 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,245 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,246 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,249 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,252 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,254 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,255 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 11:11:06,256 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,259 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,262 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:11:06,262 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,264 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,265 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 11:11:06,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,267 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:11:06,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:11:06,269 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:11:06,269 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:11:06,298 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:11:06,299 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:11:06,299 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:11:06,299 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:11:06,301 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 11:11:06,301 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 11:11:06,301 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:11:06,302 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:11:06,302 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:11:06,302 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_6 [2022-12-13 11:11:06,303 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_6 [2022-12-13 11:11:06,304 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_7 [2022-12-13 11:11:06,305 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_7 [2022-12-13 11:11:06,305 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_7 [2022-12-13 11:11:06,305 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_7 [2022-12-13 11:11:06,305 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_7 [2022-12-13 11:11:06,306 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_7 [2022-12-13 11:11:06,306 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_7 [2022-12-13 11:11:06,307 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 11:11:06,308 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 11:11:06,308 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 11:11:06,309 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 11:11:06,309 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 11:11:06,310 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 11:11:06,310 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 11:11:06,311 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 11:11:06,312 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 11:11:06,312 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:11:06,312 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 11:11:06,313 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 11:11:06,313 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 11:11:06,313 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 11:11:06,313 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 11:11:06,314 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 11:11:06,314 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:11:06,314 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 11:11:06,314 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:11:06,315 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 11:11:06,315 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 11:11:06,316 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_8fdb1ed5-17e6-446c-b637-502eb9749b0a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i[304655,304668] [2022-12-13 11:11:06,317 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 11:11:06,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:11:06,433 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:11:06,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06 WrapperNode [2022-12-13 11:11:06,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:11:06,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:11:06,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:11:06,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:11:06,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (1/1) ... [2022-12-13 11:11:06,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (1/1) ... [2022-12-13 11:11:06,634 INFO L138 Inliner]: procedures = 299, calls = 2066, calls flagged for inlining = 144, calls inlined = 138, statements flattened = 4709 [2022-12-13 11:11:06,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:11:06,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:11:06,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:11:06,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:11:06,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (1/1) ... [2022-12-13 11:11:06,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (1/1) ... [2022-12-13 11:11:06,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (1/1) ... [2022-12-13 11:11:06,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (1/1) ... [2022-12-13 11:11:06,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (1/1) ... [2022-12-13 11:11:06,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (1/1) ... [2022-12-13 11:11:06,779 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (1/1) ... [2022-12-13 11:11:06,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (1/1) ... [2022-12-13 11:11:06,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:11:06,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:11:06,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:11:06,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:11:06,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (1/1) ... [2022-12-13 11:11:06,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:11:06,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:11:06,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:11:06,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:11:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2022-12-13 11:11:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2022-12-13 11:11:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_7 [2022-12-13 11:11:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_7 [2022-12-13 11:11:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-12-13 11:11:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-12-13 11:11:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 11:11:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 11:11:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 11:11:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 11:11:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 11:11:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 11:11:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 11:11:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 11:11:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2022-12-13 11:11:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2022-12-13 11:11:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-13 11:11:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-13 11:11:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-13 11:11:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-13 11:11:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_read_byte [2022-12-13 11:11:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_read_byte [2022-12-13 11:11:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 11:11:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 11:11:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-12-13 11:11:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-12-13 11:11:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2022-12-13 11:11:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2022-12-13 11:11:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2022-12-13 11:11:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2022-12-13 11:11:06,865 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2022-12-13 11:11:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2022-12-13 11:11:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 11:11:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 11:11:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-13 11:11:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-13 11:11:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-13 11:11:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-13 11:11:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-12-13 11:11:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-12-13 11:11:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 11:11:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 11:11:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-13 11:11:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-13 11:11:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 11:11:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 11:11:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2022-12-13 11:11:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2022-12-13 11:11:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ioctl [2022-12-13 11:11:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ioctl [2022-12-13 11:11:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 11:11:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 11:11:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 11:11:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 11:11:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-12-13 11:11:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-12-13 11:11:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2022-12-13 11:11:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2022-12-13 11:11:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:11:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2022-12-13 11:11:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2022-12-13 11:11:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 11:11:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 11:11:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-12-13 11:11:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-12-13 11:11:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 11:11:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-13 11:11:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-13 11:11:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-13 11:11:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-13 11:11:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 11:11:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 11:11:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_stats [2022-12-13 11:11:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_stats [2022-12-13 11:11:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 11:11:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 11:11:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-13 11:11:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-13 11:11:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 11:11:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 11:11:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-13 11:11:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-13 11:11:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:11:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 11:11:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2022-12-13 11:11:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2022-12-13 11:11:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-12-13 11:11:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-12-13 11:11:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2022-12-13 11:11:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2022-12-13 11:11:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-12-13 11:11:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-12-13 11:11:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-12-13 11:11:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-12-13 11:11:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 11:11:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 11:11:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-13 11:11:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-13 11:11:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 11:11:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 11:11:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-12-13 11:11:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-12-13 11:11:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2022-12-13 11:11:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2022-12-13 11:11:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2022-12-13 11:11:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2022-12-13 11:11:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 11:11:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 11:11:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2022-12-13 11:11:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2022-12-13 11:11:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2022-12-13 11:11:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2022-12-13 11:11:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2022-12-13 11:11:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2022-12-13 11:11:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:11:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 11:11:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 11:11:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout_work [2022-12-13 11:11:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout_work [2022-12-13 11:11:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 11:11:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 11:11:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-13 11:11:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-13 11:11:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 11:11:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 11:11:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 11:11:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 11:11:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2022-12-13 11:11:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2022-12-13 11:11:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2022-12-13 11:11:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2022-12-13 11:11:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2022-12-13 11:11:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2022-12-13 11:11:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-12-13 11:11:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-12-13 11:11:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2022-12-13 11:11:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2022-12-13 11:11:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2022-12-13 11:11:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2022-12-13 11:11:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-13 11:11:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-13 11:11:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:11:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 11:11:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 11:11:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2022-12-13 11:11:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2022-12-13 11:11:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2022-12-13 11:11:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2022-12-13 11:11:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2022-12-13 11:11:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2022-12-13 11:11:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 11:11:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 11:11:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2022-12-13 11:11:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2022-12-13 11:11:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2022-12-13 11:11:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2022-12-13 11:11:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 11:11:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 11:11:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:11:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-12-13 11:11:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-12-13 11:11:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 11:11:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 11:11:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-12-13 11:11:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-12-13 11:11:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2022-12-13 11:11:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2022-12-13 11:11:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-13 11:11:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2022-12-13 11:11:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-13 11:11:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 11:11:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-13 11:11:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2022-12-13 11:11:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-12-13 11:11:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2022-12-13 11:11:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2022-12-13 11:11:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2022-12-13 11:11:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_7 [2022-12-13 11:11:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_7 [2022-12-13 11:11:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-13 11:11:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-13 11:11:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-12-13 11:11:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-12-13 11:11:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-13 11:11:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-13 11:11:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-13 11:11:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-13 11:11:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-12-13 11:11:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-12-13 11:11:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2022-12-13 11:11:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2022-12-13 11:11:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:11:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-12-13 11:11:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2022-12-13 11:11:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2022-12-13 11:11:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-12-13 11:11:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-12-13 11:11:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-12-13 11:11:06,875 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-12-13 11:11:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:11:06,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:11:06,875 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-12-13 11:11:06,875 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-12-13 11:11:07,387 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:11:07,390 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:11:07,854 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 11:11:10,517 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret317#1;havoc tlan_eisa_probe_#t~ret317#1; [2022-12-13 11:11:10,517 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7041: SUMMARY for call tlan_eisa_probe_#t~ret317#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-12-13 11:11:10,517 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7043: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret318#1;havoc tlan_eisa_probe_#t~ret318#1; [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7047: SUMMARY for call tlan_eisa_probe_#t~ret318#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7048: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7049: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret319#1;havoc tlan_eisa_probe_#t~ret319#1; [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7053: SUMMARY for call tlan_eisa_probe_#t~ret319#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7054: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7055: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet320#1; [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059: assume !(16 == ~debug~0); [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7059-2: SUMMARY for call tlan_eisa_probe_#t~ret321#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-12-13 11:11:10,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7063: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret321#1;havoc tlan_eisa_probe_#t~ret321#1;tlan_eisa_probe_#t~switch322#1 := 16 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7064: havoc tlan_eisa_probe_#t~switch322#1; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_~irq~0#1 := 5; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7065: assume !tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_#t~switch322#1 := tlan_eisa_probe_#t~switch322#1 || 32 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_~irq~0#1 := 9; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7068: assume !tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_#t~switch322#1 := tlan_eisa_probe_#t~switch322#1 || 64 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_~irq~0#1 := 10; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7071: assume !tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_#t~switch322#1 := tlan_eisa_probe_#t~switch322#1 || 128 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_~irq~0#1 := 11; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7074: assume !tlan_eisa_probe_#t~switch322#1;tlan_eisa_probe_#t~switch322#1 := true; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume tlan_eisa_probe_#t~switch322#1; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7077: assume !tlan_eisa_probe_#t~switch322#1; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7080: SUMMARY for call tlan_eisa_probe_#t~ret323#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7081: assume -2147483648 <= tlan_eisa_probe_#t~ret323#1 && tlan_eisa_probe_#t~ret323#1 <= 2147483647;tlan_eisa_probe_~rc~3#1 := tlan_eisa_probe_#t~ret323#1;havoc tlan_eisa_probe_#t~ret323#1; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16))); [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021-1: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022: SUMMARY for call tlan_eisa_probe_#t~ret311#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7022-1: tlan_eisa_probe_~tmp~38#1 := tlan_eisa_probe_#t~ret311#1;havoc tlan_eisa_probe_#t~ret311#1;havoc tlan_eisa_probe_#t~nondet312#1; [2022-12-13 11:11:10,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7090-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)));havoc tlan_eisa_probe_#t~nondet315#1; [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7026-1: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027-1: tlan_eisa_probe_~tmp___0~11#1 := tlan_eisa_probe_#t~ret313#1;havoc tlan_eisa_probe_#t~ret313#1;havoc tlan_eisa_probe_#t~nondet314#1; [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027: SUMMARY for call tlan_eisa_probe_#t~ret313#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031-1: call tlan_eisa_probe_#t~ret316#1.base, tlan_eisa_probe_#t~ret316#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~4#1.base, tlan_eisa_probe_~tmp___1~4#1.offset := tlan_eisa_probe_#t~ret316#1.base, tlan_eisa_probe_#t~ret316#1.offset;havoc tlan_eisa_probe_#t~ret316#1.base, tlan_eisa_probe_#t~ret316#1.offset; [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7097: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##392: assume !(16 == ~debug~0); [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##392: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet324#1; [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##395: assume !(16 == ~debug~0); [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##395: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet325#1; [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume 0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616; [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7037: assume !(0 == (tlan_eisa_probe_~tmp___1~4#1.base + tlan_eisa_probe_~tmp___1~4#1.offset) % 18446744073709551616); [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##362: assume !(0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16)))); [2022-12-13 11:11:10,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##362: assume 0 != (if 0 == ~debug~0 then 0 else (if 16 == ~debug~0 then ~debug~0 else ~bitwiseAnd(~debug~0, 16))); [2022-12-13 11:11:10,634 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:11:10,650 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:11:10,650 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:11:10,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:11:10 BoogieIcfgContainer [2022-12-13 11:11:10,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:11:10,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:11:10,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:11:10,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:11:10,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:11:04" (1/3) ... [2022-12-13 11:11:10,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a42a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:11:10, skipping insertion in model container [2022-12-13 11:11:10,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:11:06" (2/3) ... [2022-12-13 11:11:10,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a42a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:11:10, skipping insertion in model container [2022-12-13 11:11:10,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:11:10" (3/3) ... [2022-12-13 11:11:10,662 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--ti--tlan.ko-entry_point.cil.out.i [2022-12-13 11:11:10,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:11:10,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:11:10,755 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:11:10,760 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;@6b5a6518, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:11:10,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:11:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 2018 states, 1347 states have (on average 1.3155159613956942) internal successors, (1772), 1395 states have internal predecessors, (1772), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) [2022-12-13 11:11:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-12-13 11:11:10,803 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:11:10,804 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:11:10,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:11:10,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:10,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1008226879, now seen corresponding path program 1 times [2022-12-13 11:11:10,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:10,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672747117] [2022-12-13 11:11:10,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:10,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:11:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:11:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:11:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:11:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:11:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:11:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:11:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:11:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:11:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:11:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 11:11:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 11:11:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:11:11,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:11,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672747117] [2022-12-13 11:11:11,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672747117] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:11,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:11:11,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:11:11,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226102782] [2022-12-13 11:11:11,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:11,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 11:11:11,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:11,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 11:11:11,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:11:11,539 INFO L87 Difference]: Start difference. First operand has 2018 states, 1347 states have (on average 1.3155159613956942) internal successors, (1772), 1395 states have internal predecessors, (1772), 570 states have call successors, (570), 100 states have call predecessors, (570), 99 states have return successors, (562), 551 states have call predecessors, (562), 562 states have call successors, (562) Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:11:15,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:11:15,556 INFO L93 Difference]: Finished difference Result 4256 states and 6203 transitions. [2022-12-13 11:11:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:11:15,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 195 [2022-12-13 11:11:15,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:11:15,579 INFO L225 Difference]: With dead ends: 4256 [2022-12-13 11:11:15,579 INFO L226 Difference]: Without dead ends: 2200 [2022-12-13 11:11:15,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:11:15,594 INFO L413 NwaCegarLoop]: 1876 mSDtfsCounter, 2370 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 2608 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 2896 SdHoareTripleChecker+Invalid, 4320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2608 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:11:15,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 2896 Invalid, 4320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2608 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 11:11:15,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2200 states. [2022-12-13 11:11:15,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2200 to 1975. [2022-12-13 11:11:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1321 states have (on average 1.3088569265707797) internal successors, (1729), 1359 states have internal predecessors, (1729), 556 states have call successors, (556), 98 states have call predecessors, (556), 97 states have return successors, (555), 544 states have call predecessors, (555), 555 states have call successors, (555) [2022-12-13 11:11:15,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2840 transitions. [2022-12-13 11:11:15,726 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2840 transitions. Word has length 195 [2022-12-13 11:11:15,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:11:15,726 INFO L495 AbstractCegarLoop]: Abstraction has 1975 states and 2840 transitions. [2022-12-13 11:11:15,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:11:15,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2840 transitions. [2022-12-13 11:11:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-12-13 11:11:15,733 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:11:15,733 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:11:15,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:11:15,733 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:11:15,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:15,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1439891955, now seen corresponding path program 1 times [2022-12-13 11:11:15,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:15,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486291131] [2022-12-13 11:11:15,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:15,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:11:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:11:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:11:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:11:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:11:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:11:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:11:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:11:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:11:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:11:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 11:11:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 11:11:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:11:16,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:16,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486291131] [2022-12-13 11:11:16,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486291131] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:16,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:11:16,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:11:16,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422151942] [2022-12-13 11:11:16,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:16,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:11:16,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:16,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:11:16,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:11:16,225 INFO L87 Difference]: Start difference. First operand 1975 states and 2840 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:11:22,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:11:22,939 INFO L93 Difference]: Finished difference Result 5986 states and 8642 transitions. [2022-12-13 11:11:22,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:11:22,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 195 [2022-12-13 11:11:22,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:11:22,961 INFO L225 Difference]: With dead ends: 5986 [2022-12-13 11:11:22,961 INFO L226 Difference]: Without dead ends: 4040 [2022-12-13 11:11:22,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:11:22,972 INFO L413 NwaCegarLoop]: 2122 mSDtfsCounter, 5921 mSDsluCounter, 2551 mSDsCounter, 0 mSdLazyCounter, 3814 mSolverCounterSat, 5231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6141 SdHoareTripleChecker+Valid, 4673 SdHoareTripleChecker+Invalid, 9045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5231 IncrementalHoareTripleChecker+Valid, 3814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:11:22,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6141 Valid, 4673 Invalid, 9045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5231 Valid, 3814 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 11:11:22,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4040 states. [2022-12-13 11:11:23,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4040 to 3648. [2022-12-13 11:11:23,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 2419 states have (on average 1.301777594047127) internal successors, (3149), 2503 states have internal predecessors, (3149), 1043 states have call successors, (1043), 185 states have call predecessors, (1043), 185 states have return successors, (1046), 1014 states have call predecessors, (1046), 1042 states have call successors, (1046) [2022-12-13 11:11:23,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 5238 transitions. [2022-12-13 11:11:23,180 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 5238 transitions. Word has length 195 [2022-12-13 11:11:23,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:11:23,181 INFO L495 AbstractCegarLoop]: Abstraction has 3648 states and 5238 transitions. [2022-12-13 11:11:23,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:11:23,181 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 5238 transitions. [2022-12-13 11:11:23,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-13 11:11:23,183 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:11:23,183 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:11:23,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:11:23,184 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:11:23,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:23,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1230181367, now seen corresponding path program 1 times [2022-12-13 11:11:23,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:23,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382888627] [2022-12-13 11:11:23,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:23,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:11:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:11:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:11:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:11:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:11:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:11:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:11:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:11:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:11:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:11:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 11:11:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 11:11:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:11:23,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:23,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382888627] [2022-12-13 11:11:23,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382888627] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:23,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:11:23,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 11:11:23,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932022868] [2022-12-13 11:11:23,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:23,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:11:23,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:23,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:11:23,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:11:23,695 INFO L87 Difference]: Start difference. First operand 3648 states and 5238 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 11:11:32,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:11:32,450 INFO L93 Difference]: Finished difference Result 11666 states and 16950 transitions. [2022-12-13 11:11:32,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 11:11:32,451 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 190 [2022-12-13 11:11:32,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:11:32,494 INFO L225 Difference]: With dead ends: 11666 [2022-12-13 11:11:32,494 INFO L226 Difference]: Without dead ends: 8047 [2022-12-13 11:11:32,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-12-13 11:11:32,513 INFO L413 NwaCegarLoop]: 2649 mSDtfsCounter, 4540 mSDsluCounter, 6367 mSDsCounter, 0 mSdLazyCounter, 7389 mSolverCounterSat, 3552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4795 SdHoareTripleChecker+Valid, 9016 SdHoareTripleChecker+Invalid, 10941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3552 IncrementalHoareTripleChecker+Valid, 7389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:11:32,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4795 Valid, 9016 Invalid, 10941 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3552 Valid, 7389 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-12-13 11:11:32,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8047 states. [2022-12-13 11:11:32,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8047 to 7330. [2022-12-13 11:11:32,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7330 states, 4886 states have (on average 1.2906262791649612) internal successors, (6306), 5051 states have internal predecessors, (6306), 2071 states have call successors, (2071), 364 states have call predecessors, (2071), 372 states have return successors, (2121), 2021 states have call predecessors, (2121), 2070 states have call successors, (2121) [2022-12-13 11:11:32,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7330 states to 7330 states and 10498 transitions. [2022-12-13 11:11:32,807 INFO L78 Accepts]: Start accepts. Automaton has 7330 states and 10498 transitions. Word has length 190 [2022-12-13 11:11:32,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:11:32,807 INFO L495 AbstractCegarLoop]: Abstraction has 7330 states and 10498 transitions. [2022-12-13 11:11:32,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 11:11:32,807 INFO L276 IsEmpty]: Start isEmpty. Operand 7330 states and 10498 transitions. [2022-12-13 11:11:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-12-13 11:11:32,810 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:11:32,811 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-12-13 11:11:32,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:11:32,811 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:11:32,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:32,812 INFO L85 PathProgramCache]: Analyzing trace with hash 170738420, now seen corresponding path program 1 times [2022-12-13 11:11:32,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:32,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128878760] [2022-12-13 11:11:32,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:32,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:11:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:11:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:11:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:11:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:11:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:11:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:11:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:11:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:11:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:11:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 11:11:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 11:11:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 11:11:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 11:11:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-12-13 11:11:33,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:33,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128878760] [2022-12-13 11:11:33,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128878760] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:33,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:11:33,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:11:33,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94108255] [2022-12-13 11:11:33,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:33,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:11:33,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:33,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:11:33,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:11:33,339 INFO L87 Difference]: Start difference. First operand 7330 states and 10498 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 11:11:40,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:11:40,423 INFO L93 Difference]: Finished difference Result 22022 states and 31715 transitions. [2022-12-13 11:11:40,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:11:40,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 207 [2022-12-13 11:11:40,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:11:40,488 INFO L225 Difference]: With dead ends: 22022 [2022-12-13 11:11:40,488 INFO L226 Difference]: Without dead ends: 14721 [2022-12-13 11:11:40,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:11:40,518 INFO L413 NwaCegarLoop]: 2621 mSDtfsCounter, 5507 mSDsluCounter, 2864 mSDsCounter, 0 mSdLazyCounter, 4071 mSolverCounterSat, 4789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5738 SdHoareTripleChecker+Valid, 5485 SdHoareTripleChecker+Invalid, 8860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4789 IncrementalHoareTripleChecker+Valid, 4071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:11:40,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5738 Valid, 5485 Invalid, 8860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4789 Valid, 4071 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-12-13 11:11:40,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14721 states. [2022-12-13 11:11:41,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14721 to 13562. [2022-12-13 11:11:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13562 states, 8951 states have (on average 1.2867835995978103) internal successors, (11518), 9247 states have internal predecessors, (11518), 3934 states have call successors, (3934), 661 states have call predecessors, (3934), 676 states have return successors, (4021), 3847 states have call predecessors, (4021), 3933 states have call successors, (4021) [2022-12-13 11:11:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13562 states to 13562 states and 19473 transitions. [2022-12-13 11:11:41,146 INFO L78 Accepts]: Start accepts. Automaton has 13562 states and 19473 transitions. Word has length 207 [2022-12-13 11:11:41,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:11:41,147 INFO L495 AbstractCegarLoop]: Abstraction has 13562 states and 19473 transitions. [2022-12-13 11:11:41,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 11:11:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand 13562 states and 19473 transitions. [2022-12-13 11:11:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-12-13 11:11:41,150 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:11:41,151 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:11:41,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:11:41,151 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:11:41,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:41,151 INFO L85 PathProgramCache]: Analyzing trace with hash -702239753, now seen corresponding path program 1 times [2022-12-13 11:11:41,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:41,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715414195] [2022-12-13 11:11:41,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:41,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:11:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:11:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:11:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:11:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:11:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:11:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:11:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:11:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:11:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:11:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 11:11:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 11:11:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 11:11:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 11:11:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 11:11:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:11:41,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:41,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715414195] [2022-12-13 11:11:41,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715414195] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:41,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:11:41,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 11:11:41,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593452057] [2022-12-13 11:11:41,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:41,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 11:11:41,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:41,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 11:11:41,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:11:41,850 INFO L87 Difference]: Start difference. First operand 13562 states and 19473 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 11:11:55,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:11:55,068 INFO L93 Difference]: Finished difference Result 49814 states and 74882 transitions. [2022-12-13 11:11:55,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 11:11:55,068 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 211 [2022-12-13 11:11:55,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:11:55,309 INFO L225 Difference]: With dead ends: 49814 [2022-12-13 11:11:55,309 INFO L226 Difference]: Without dead ends: 36285 [2022-12-13 11:11:55,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 11:11:55,366 INFO L413 NwaCegarLoop]: 2089 mSDtfsCounter, 8096 mSDsluCounter, 8859 mSDsCounter, 0 mSdLazyCounter, 12554 mSolverCounterSat, 7325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8474 SdHoareTripleChecker+Valid, 10948 SdHoareTripleChecker+Invalid, 19879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7325 IncrementalHoareTripleChecker+Valid, 12554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:11:55,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8474 Valid, 10948 Invalid, 19879 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7325 Valid, 12554 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-12-13 11:11:55,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36285 states. [2022-12-13 11:11:56,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36285 to 27080. [2022-12-13 11:11:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27080 states, 17865 states have (on average 1.286202071088721) internal successors, (22978), 18489 states have internal predecessors, (22978), 7856 states have call successors, (7856), 1327 states have call predecessors, (7856), 1358 states have return successors, (8023), 7651 states have call predecessors, (8023), 7855 states have call successors, (8023) [2022-12-13 11:11:56,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27080 states to 27080 states and 38857 transitions. [2022-12-13 11:11:56,851 INFO L78 Accepts]: Start accepts. Automaton has 27080 states and 38857 transitions. Word has length 211 [2022-12-13 11:11:56,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:11:56,851 INFO L495 AbstractCegarLoop]: Abstraction has 27080 states and 38857 transitions. [2022-12-13 11:11:56,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 11:11:56,852 INFO L276 IsEmpty]: Start isEmpty. Operand 27080 states and 38857 transitions. [2022-12-13 11:11:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-12-13 11:11:56,855 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:11:56,856 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:11:56,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:11:56,856 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:11:56,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:11:56,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1183268886, now seen corresponding path program 1 times [2022-12-13 11:11:56,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:11:56,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314099575] [2022-12-13 11:11:56,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:56,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:11:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:11:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:11:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:11:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:11:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:11:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:11:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:11:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:11:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:11:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:11:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:11:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 11:11:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:11:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:11:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:11:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 11:11:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-12-13 11:11:57,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:11:57,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314099575] [2022-12-13 11:11:57,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314099575] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:11:57,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636424444] [2022-12-13 11:11:57,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:11:57,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:11:57,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:11:57,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:11:57,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 11:11:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:11:58,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 3259 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:11:58,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:11:58,266 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-12-13 11:11:58,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:11:58,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636424444] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:11:58,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:11:58,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-12-13 11:11:58,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625980540] [2022-12-13 11:11:58,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:11:58,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:11:58,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:11:58,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:11:58,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:11:58,269 INFO L87 Difference]: Start difference. First operand 27080 states and 38857 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 11:11:59,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:11:59,301 INFO L93 Difference]: Finished difference Result 54367 states and 78211 transitions. [2022-12-13 11:11:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:11:59,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 212 [2022-12-13 11:11:59,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:11:59,438 INFO L225 Difference]: With dead ends: 54367 [2022-12-13 11:11:59,438 INFO L226 Difference]: Without dead ends: 27320 [2022-12-13 11:11:59,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 11:11:59,510 INFO L413 NwaCegarLoop]: 2837 mSDtfsCounter, 9 mSDsluCounter, 2827 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5664 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:11:59,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5664 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:11:59,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27320 states. [2022-12-13 11:12:00,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27320 to 27192. [2022-12-13 11:12:00,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27192 states, 17961 states have (on average 1.2855631646344858) internal successors, (23090), 18585 states have internal predecessors, (23090), 7872 states have call successors, (7872), 1327 states have call predecessors, (7872), 1358 states have return successors, (8039), 7667 states have call predecessors, (8039), 7871 states have call successors, (8039) [2022-12-13 11:12:00,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27192 states to 27192 states and 39001 transitions. [2022-12-13 11:12:00,714 INFO L78 Accepts]: Start accepts. Automaton has 27192 states and 39001 transitions. Word has length 212 [2022-12-13 11:12:00,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:12:00,715 INFO L495 AbstractCegarLoop]: Abstraction has 27192 states and 39001 transitions. [2022-12-13 11:12:00,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 11:12:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 27192 states and 39001 transitions. [2022-12-13 11:12:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-12-13 11:12:00,719 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:00,719 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:12:00,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:12:00,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 11:12:00,920 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:00,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:00,921 INFO L85 PathProgramCache]: Analyzing trace with hash -235709653, now seen corresponding path program 1 times [2022-12-13 11:12:00,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:00,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246293781] [2022-12-13 11:12:00,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:00,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:12:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:12:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:12:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:12:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:12:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:12:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:12:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:12:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:12:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:12:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 11:12:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:12:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 11:12:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 11:12:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 11:12:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:12:01,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:01,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246293781] [2022-12-13 11:12:01,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246293781] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:01,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:01,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 11:12:01,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332646173] [2022-12-13 11:12:01,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:01,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 11:12:01,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:01,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 11:12:01,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:12:01,540 INFO L87 Difference]: Start difference. First operand 27192 states and 39001 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 11:12:17,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:12:17,307 INFO L93 Difference]: Finished difference Result 99916 states and 150022 transitions. [2022-12-13 11:12:17,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 11:12:17,308 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 212 [2022-12-13 11:12:17,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:12:17,705 INFO L225 Difference]: With dead ends: 99916 [2022-12-13 11:12:17,705 INFO L226 Difference]: Without dead ends: 72757 [2022-12-13 11:12:17,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 11:12:17,842 INFO L413 NwaCegarLoop]: 2093 mSDtfsCounter, 8337 mSDsluCounter, 7914 mSDsCounter, 0 mSdLazyCounter, 11373 mSolverCounterSat, 7435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8712 SdHoareTripleChecker+Valid, 10007 SdHoareTripleChecker+Invalid, 18808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7435 IncrementalHoareTripleChecker+Valid, 11373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-12-13 11:12:17,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8712 Valid, 10007 Invalid, 18808 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7435 Valid, 11373 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2022-12-13 11:12:17,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72757 states. [2022-12-13 11:12:20,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72757 to 54372. [2022-12-13 11:12:20,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54372 states, 35925 states have (on average 1.2849547668754349) internal successors, (46162), 37165 states have internal predecessors, (46162), 15724 states have call successors, (15724), 2659 states have call predecessors, (15724), 2722 states have return successors, (16043), 15323 states have call predecessors, (16043), 15723 states have call successors, (16043) [2022-12-13 11:12:20,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54372 states to 54372 states and 77929 transitions. [2022-12-13 11:12:20,855 INFO L78 Accepts]: Start accepts. Automaton has 54372 states and 77929 transitions. Word has length 212 [2022-12-13 11:12:20,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:12:20,856 INFO L495 AbstractCegarLoop]: Abstraction has 54372 states and 77929 transitions. [2022-12-13 11:12:20,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 11:12:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 54372 states and 77929 transitions. [2022-12-13 11:12:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-13 11:12:20,860 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:20,860 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:12:20,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 11:12:20,860 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:20,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:20,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1389836794, now seen corresponding path program 1 times [2022-12-13 11:12:20,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:20,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556976980] [2022-12-13 11:12:20,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:20,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:12:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:12:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:12:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:12:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:12:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:12:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:12:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:12:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:12:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:12:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 11:12:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 11:12:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 11:12:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 11:12:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 11:12:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:12:21,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:21,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556976980] [2022-12-13 11:12:21,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556976980] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:12:21,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:12:21,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 11:12:21,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55461449] [2022-12-13 11:12:21,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:12:21,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 11:12:21,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:21,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 11:12:21,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:12:21,356 INFO L87 Difference]: Start difference. First operand 54372 states and 77929 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 11:12:39,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:12:39,114 INFO L93 Difference]: Finished difference Result 199868 states and 299814 transitions. [2022-12-13 11:12:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 11:12:39,116 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 213 [2022-12-13 11:12:39,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:12:40,023 INFO L225 Difference]: With dead ends: 199868 [2022-12-13 11:12:40,023 INFO L226 Difference]: Without dead ends: 145529 [2022-12-13 11:12:40,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 11:12:40,361 INFO L413 NwaCegarLoop]: 2070 mSDtfsCounter, 9942 mSDsluCounter, 6947 mSDsCounter, 0 mSdLazyCounter, 10215 mSolverCounterSat, 9513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10318 SdHoareTripleChecker+Valid, 9017 SdHoareTripleChecker+Invalid, 19728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9513 IncrementalHoareTripleChecker+Valid, 10215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:12:40,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10318 Valid, 9017 Invalid, 19728 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9513 Valid, 10215 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2022-12-13 11:12:40,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145529 states. [2022-12-13 11:12:45,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145529 to 108768. [2022-12-13 11:12:45,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108768 states, 71889 states have (on average 1.284452419702597) internal successors, (92338), 74353 states have internal predecessors, (92338), 31420 states have call successors, (31420), 5331 states have call predecessors, (31420), 5458 states have return successors, (32027), 30635 states have call predecessors, (32027), 31419 states have call successors, (32027) [2022-12-13 11:12:46,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108768 states to 108768 states and 155785 transitions. [2022-12-13 11:12:46,500 INFO L78 Accepts]: Start accepts. Automaton has 108768 states and 155785 transitions. Word has length 213 [2022-12-13 11:12:46,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:12:46,500 INFO L495 AbstractCegarLoop]: Abstraction has 108768 states and 155785 transitions. [2022-12-13 11:12:46,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 11:12:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 108768 states and 155785 transitions. [2022-12-13 11:12:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-12-13 11:12:46,504 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:12:46,504 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:12:46,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 11:12:46,505 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:12:46,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:12:46,505 INFO L85 PathProgramCache]: Analyzing trace with hash -517786074, now seen corresponding path program 1 times [2022-12-13 11:12:46,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:12:46,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619490515] [2022-12-13 11:12:46,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:46,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:12:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:12:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:12:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:12:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:12:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:12:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:46,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:12:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:12:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:12:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:12:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:12:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:12:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 11:12:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:12:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 11:12:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 11:12:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 11:12:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-12-13 11:12:47,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:12:47,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619490515] [2022-12-13 11:12:47,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619490515] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:12:47,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561130962] [2022-12-13 11:12:47,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:12:47,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:12:47,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:12:47,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:12:47,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 11:12:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:12:47,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 3328 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:12:47,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:12:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-12-13 11:12:47,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:12:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-12-13 11:12:48,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561130962] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:12:48,042 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 11:12:48,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2022-12-13 11:12:48,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20399774] [2022-12-13 11:12:48,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 11:12:48,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 11:12:48,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:12:48,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 11:12:48,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:12:48,044 INFO L87 Difference]: Start difference. First operand 108768 states and 155785 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2022-12-13 11:12:58,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:12:58,747 INFO L93 Difference]: Finished difference Result 232757 states and 335152 transitions. [2022-12-13 11:12:58,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 11:12:58,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 214 [2022-12-13 11:12:58,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:12:59,460 INFO L225 Difference]: With dead ends: 232757 [2022-12-13 11:12:59,460 INFO L226 Difference]: Without dead ends: 124022 [2022-12-13 11:13:00,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2022-12-13 11:13:00,003 INFO L413 NwaCegarLoop]: 1838 mSDtfsCounter, 2639 mSDsluCounter, 2584 mSDsCounter, 0 mSdLazyCounter, 3141 mSolverCounterSat, 2760 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2683 SdHoareTripleChecker+Valid, 4422 SdHoareTripleChecker+Invalid, 5901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2760 IncrementalHoareTripleChecker+Valid, 3141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:00,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2683 Valid, 4422 Invalid, 5901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2760 Valid, 3141 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-13 11:13:00,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124022 states. [2022-12-13 11:13:04,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124022 to 111328. [2022-12-13 11:13:05,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111328 states, 73681 states have (on average 1.2810086725207313) internal successors, (94386), 76145 states have internal predecessors, (94386), 32188 states have call successors, (32188), 5331 states have call predecessors, (32188), 5458 states have return successors, (32795), 31403 states have call predecessors, (32795), 32187 states have call successors, (32795) [2022-12-13 11:13:05,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111328 states to 111328 states and 159369 transitions. [2022-12-13 11:13:05,636 INFO L78 Accepts]: Start accepts. Automaton has 111328 states and 159369 transitions. Word has length 214 [2022-12-13 11:13:05,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:05,636 INFO L495 AbstractCegarLoop]: Abstraction has 111328 states and 159369 transitions. [2022-12-13 11:13:05,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2022-12-13 11:13:05,637 INFO L276 IsEmpty]: Start isEmpty. Operand 111328 states and 159369 transitions. [2022-12-13 11:13:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-12-13 11:13:05,640 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:05,640 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:13:05,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 11:13:05,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:13:05,841 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:05,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:05,842 INFO L85 PathProgramCache]: Analyzing trace with hash 290184334, now seen corresponding path program 1 times [2022-12-13 11:13:05,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:05,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718638483] [2022-12-13 11:13:05,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:05,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:13:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:13:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:13:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:13:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:13:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:13:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:13:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:13:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:13:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:13:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 11:13:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 11:13:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 11:13:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:13:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 11:13:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:13:06,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:06,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718638483] [2022-12-13 11:13:06,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718638483] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:06,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:13:06,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 11:13:06,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096997199] [2022-12-13 11:13:06,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:06,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 11:13:06,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:06,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 11:13:06,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:13:06,295 INFO L87 Difference]: Start difference. First operand 111328 states and 159369 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 11:13:33,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:13:33,327 INFO L93 Difference]: Finished difference Result 410200 states and 613626 transitions. [2022-12-13 11:13:33,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 11:13:33,328 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 214 [2022-12-13 11:13:33,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:13:35,371 INFO L225 Difference]: With dead ends: 410200 [2022-12-13 11:13:35,371 INFO L226 Difference]: Without dead ends: 298905 [2022-12-13 11:13:36,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-12-13 11:13:36,082 INFO L413 NwaCegarLoop]: 2015 mSDtfsCounter, 8163 mSDsluCounter, 7685 mSDsCounter, 0 mSdLazyCounter, 11298 mSolverCounterSat, 7402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8535 SdHoareTripleChecker+Valid, 9700 SdHoareTripleChecker+Invalid, 18700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7402 IncrementalHoareTripleChecker+Valid, 11298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:13:36,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8535 Valid, 9700 Invalid, 18700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7402 Valid, 11298 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2022-12-13 11:13:36,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298905 states. [2022-12-13 11:13:48,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298905 to 221686. [2022-12-13 11:13:48,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221686 states, 146657 states have (on average 1.280443483775067) internal successors, (187786), 151539 states have internal predecessors, (187786), 64118 states have call successors, (64118), 10663 states have call predecessors, (64118), 10910 states have return successors, (65253), 62573 states have call predecessors, (65253), 64117 states have call successors, (65253) [2022-12-13 11:13:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221686 states to 221686 states and 317157 transitions. [2022-12-13 11:13:50,188 INFO L78 Accepts]: Start accepts. Automaton has 221686 states and 317157 transitions. Word has length 214 [2022-12-13 11:13:50,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:13:50,189 INFO L495 AbstractCegarLoop]: Abstraction has 221686 states and 317157 transitions. [2022-12-13 11:13:50,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 11:13:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 221686 states and 317157 transitions. [2022-12-13 11:13:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-12-13 11:13:50,193 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:13:50,193 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:13:50,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 11:13:50,193 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:13:50,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:13:50,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1367019519, now seen corresponding path program 1 times [2022-12-13 11:13:50,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:13:50,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484924459] [2022-12-13 11:13:50,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:50,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:13:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:13:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:13:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:13:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:13:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:13:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:13:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:13:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:13:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:13:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:13:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:13:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:13:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 11:13:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 11:13:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 11:13:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 11:13:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 11:13:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 11:13:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-12-13 11:13:50,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:13:50,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484924459] [2022-12-13 11:13:50,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484924459] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:13:50,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750820147] [2022-12-13 11:13:50,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:13:50,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:13:50,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:13:50,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:13:50,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 11:13:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:13:51,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 3390 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:13:51,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:13:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:13:51,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:13:51,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750820147] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:13:51,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:13:51,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-12-13 11:13:51,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818423641] [2022-12-13 11:13:51,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:13:51,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:13:51,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:13:51,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:13:51,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-12-13 11:13:51,499 INFO L87 Difference]: Start difference. First operand 221686 states and 317157 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 11:14:07,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:14:07,987 INFO L93 Difference]: Finished difference Result 555092 states and 794015 transitions. [2022-12-13 11:14:07,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 11:14:07,988 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 227 [2022-12-13 11:14:07,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:14:10,255 INFO L225 Difference]: With dead ends: 555092 [2022-12-13 11:14:10,255 INFO L226 Difference]: Without dead ends: 333439 [2022-12-13 11:14:11,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-12-13 11:14:11,276 INFO L413 NwaCegarLoop]: 3640 mSDtfsCounter, 2855 mSDsluCounter, 17349 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 20989 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:14:11,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2859 Valid, 20989 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:14:11,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333439 states. [2022-12-13 11:14:27,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333439 to 332264. [2022-12-13 11:14:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332264 states, 219853 states have (on average 1.2808467475995324) internal successors, (281598), 227249 states have internal predecessors, (281598), 96016 states have call successors, (96016), 15963 states have call predecessors, (96016), 16394 states have return successors, (97839), 93679 states have call predecessors, (97839), 96015 states have call successors, (97839) [2022-12-13 11:14:29,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332264 states to 332264 states and 475453 transitions. [2022-12-13 11:14:29,801 INFO L78 Accepts]: Start accepts. Automaton has 332264 states and 475453 transitions. Word has length 227 [2022-12-13 11:14:29,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:14:29,801 INFO L495 AbstractCegarLoop]: Abstraction has 332264 states and 475453 transitions. [2022-12-13 11:14:29,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 11:14:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 332264 states and 475453 transitions. [2022-12-13 11:14:29,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-12-13 11:14:29,808 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:14:29,808 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:14:29,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 11:14:30,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:14:30,009 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:14:30,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:14:30,010 INFO L85 PathProgramCache]: Analyzing trace with hash -4406704, now seen corresponding path program 1 times [2022-12-13 11:14:30,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:14:30,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266674194] [2022-12-13 11:14:30,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:14:30,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:14:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:14:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:14:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:14:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:14:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:14:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:14:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:14:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:14:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:14:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:14:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:14:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:14:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:14:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:14:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:14:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:14:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:14:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:14:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 11:14:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 11:14:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:14:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 11:14:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 11:14:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 11:14:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:30,743 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:14:30,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:14:30,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266674194] [2022-12-13 11:14:30,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266674194] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:14:30,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350119191] [2022-12-13 11:14:30,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:14:30,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:14:30,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:14:30,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:14:30,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 11:14:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:14:31,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 3392 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:14:31,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:14:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:14:31,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:14:31,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350119191] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:14:31,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:14:31,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 11:14:31,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764107454] [2022-12-13 11:14:31,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:14:31,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:14:31,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:14:31,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:14:31,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 11:14:31,683 INFO L87 Difference]: Start difference. First operand 332264 states and 475453 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 11:14:55,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:14:55,997 INFO L93 Difference]: Finished difference Result 776672 states and 1110975 transitions. [2022-12-13 11:14:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 11:14:55,998 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 228 [2022-12-13 11:14:55,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:14:59,252 INFO L225 Difference]: With dead ends: 776672 [2022-12-13 11:14:59,252 INFO L226 Difference]: Without dead ends: 444441 [2022-12-13 11:15:00,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 11:15:00,858 INFO L413 NwaCegarLoop]: 3707 mSDtfsCounter, 2855 mSDsluCounter, 17605 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 21312 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:15:00,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2859 Valid, 21312 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:15:01,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444441 states. [2022-12-13 11:15:23,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444441 to 443098. [2022-12-13 11:15:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443098 states, 293209 states have (on average 1.280895197623538) internal successors, (375570), 303247 states have internal predecessors, (375570), 127914 states have call successors, (127914), 21263 states have call predecessors, (127914), 21974 states have return successors, (130521), 124753 states have call predecessors, (130521), 127913 states have call successors, (130521) [2022-12-13 11:15:26,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443098 states to 443098 states and 634005 transitions. [2022-12-13 11:15:26,961 INFO L78 Accepts]: Start accepts. Automaton has 443098 states and 634005 transitions. Word has length 228 [2022-12-13 11:15:26,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:15:26,961 INFO L495 AbstractCegarLoop]: Abstraction has 443098 states and 634005 transitions. [2022-12-13 11:15:26,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 11:15:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 443098 states and 634005 transitions. [2022-12-13 11:15:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-12-13 11:15:26,978 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:15:26,978 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:15:26,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 11:15:27,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:15:27,180 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:15:27,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:15:27,181 INFO L85 PathProgramCache]: Analyzing trace with hash -760926662, now seen corresponding path program 1 times [2022-12-13 11:15:27,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:15:27,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821647880] [2022-12-13 11:15:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:15:27,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:15:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:15:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:15:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:15:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:15:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:15:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:15:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:15:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:15:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:15:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:15:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:15:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:15:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:15:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:15:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:15:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:15:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:15:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:15:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 11:15:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 11:15:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 11:15:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 11:15:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 11:15:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 11:15:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:15:27,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:15:27,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821647880] [2022-12-13 11:15:27,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821647880] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:15:27,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340315858] [2022-12-13 11:15:27,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:15:27,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:15:27,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:15:27,804 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:15:27,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 11:15:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:15:28,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 3394 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:15:28,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:15:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:15:28,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:15:28,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340315858] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:15:28,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:15:28,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 11:15:28,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019203616] [2022-12-13 11:15:28,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:15:28,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:15:28,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:15:28,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:15:28,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 11:15:28,565 INFO L87 Difference]: Start difference. First operand 443098 states and 634005 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 11:15:58,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:15:58,605 INFO L93 Difference]: Finished difference Result 998252 states and 1427935 transitions. [2022-12-13 11:15:58,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 11:15:58,606 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 229 [2022-12-13 11:15:58,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:16:02,496 INFO L225 Difference]: With dead ends: 998252 [2022-12-13 11:16:02,496 INFO L226 Difference]: Without dead ends: 555187 [2022-12-13 11:16:05,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 11:16:05,174 INFO L413 NwaCegarLoop]: 3667 mSDtfsCounter, 2855 mSDsluCounter, 17445 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2859 SdHoareTripleChecker+Valid, 21112 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:16:05,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2859 Valid, 21112 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:16:05,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555187 states. [2022-12-13 11:16:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555187 to 443274. [2022-12-13 11:16:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443274 states, 293337 states have (on average 1.2807726267058026) internal successors, (375698), 303391 states have internal predecessors, (375698), 127914 states have call successors, (127914), 21263 states have call predecessors, (127914), 22022 states have return successors, (130593), 124785 states have call predecessors, (130593), 127913 states have call successors, (130593) [2022-12-13 11:16:32,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443274 states to 443274 states and 634205 transitions. [2022-12-13 11:16:32,426 INFO L78 Accepts]: Start accepts. Automaton has 443274 states and 634205 transitions. Word has length 229 [2022-12-13 11:16:32,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:16:32,426 INFO L495 AbstractCegarLoop]: Abstraction has 443274 states and 634205 transitions. [2022-12-13 11:16:32,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 11:16:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 443274 states and 634205 transitions. [2022-12-13 11:16:32,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-12-13 11:16:32,446 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:16:32,447 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:32,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 11:16:32,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 11:16:32,648 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:16:32,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:32,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1508914153, now seen corresponding path program 1 times [2022-12-13 11:16:32,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:32,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707964341] [2022-12-13 11:16:32,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:32,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:16:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:16:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:16:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:16:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:16:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:16:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:16:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:16:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 11:16:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:16:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 11:16:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:16:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 11:16:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:16:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:16:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:16:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:16:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:16:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-12-13 11:16:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 11:16:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 11:16:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 11:16:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 11:16:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 11:16:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,390 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:16:33,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:33,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707964341] [2022-12-13 11:16:33,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707964341] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:16:33,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952713073] [2022-12-13 11:16:33,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:33,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:16:33,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:16:33,391 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:16:33,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fdb1ed5-17e6-446c-b637-502eb9749b0a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 11:16:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:33,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 3396 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:16:33,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:16:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-12-13 11:16:34,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:16:34,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952713073] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:34,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:16:34,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 11:16:34,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248289355] [2022-12-13 11:16:34,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:34,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:16:34,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:34,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:16:34,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 11:16:34,028 INFO L87 Difference]: Start difference. First operand 443274 states and 634205 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19)