./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--dec--tulip--dmfe.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/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_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/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--dec--tulip--dmfe.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/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_4bbcfe12-7721-4e61-8277-e0200f10e84f/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 246ceae3084839b9b339f99ac0b8607f0cf18f3fcdd140edc02c2b8d150b0ed6 --- 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 11:22:01,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:22:01,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:22:01,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:22:01,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:22:01,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:22:01,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:22:01,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:22:01,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:22:01,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:22:01,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:22:01,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:22:01,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:22:01,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:22:01,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:22:01,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:22:01,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:22:01,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:22:01,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:22:01,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:22:01,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:22:01,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:22:01,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:22:01,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:22:01,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:22:01,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:22:01,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:22:01,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:22:01,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:22:01,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:22:01,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:22:01,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:22:01,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:22:01,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:22:01,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:22:01,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:22:01,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:22:01,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:22:01,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:22:01,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:22:01,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:22:01,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 11:22:01,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:22:01,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:22:01,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:22:01,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:22:01,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:22:01,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:22:01,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:22:01,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:22:01,338 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:22:01,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:22:01,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:22:01,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:22:01,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:22:01,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:22:01,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:22:01,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:22:01,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:22:01,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:22:01,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:22:01,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:22:01,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:22:01,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:22:01,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:22:01,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:22:01,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:22:01,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:22:01,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:22:01,341 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:22:01,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:22:01,342 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:22:01,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:22:01,342 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:22:01,342 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_4bbcfe12-7721-4e61-8277-e0200f10e84f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 246ceae3084839b9b339f99ac0b8607f0cf18f3fcdd140edc02c2b8d150b0ed6 [2022-12-13 11:22:01,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:22:01,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:22:01,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:22:01,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:22:01,560 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:22:01,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2022-12-13 11:22:04,091 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:22:04,510 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:22:04,511 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2022-12-13 11:22:04,542 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/data/3f7752f87/b8b9eaa53c49466d967cc28450a3c594/FLAG80c727c9b [2022-12-13 11:22:04,660 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/data/3f7752f87/b8b9eaa53c49466d967cc28450a3c594 [2022-12-13 11:22:04,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:22:04,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:22:04,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:22:04,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:22:04,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:22:04,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:22:04" (1/1) ... [2022-12-13 11:22:04,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65882b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:04, skipping insertion in model container [2022-12-13 11:22:04,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:22:04" (1/1) ... [2022-12-13 11:22:04,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:22:04,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:22:05,265 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 11:22:05,378 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 11:22:05,422 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 11:22:05,426 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-13 11:22:05,454 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-13 11:22:05,494 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:22:05,498 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:22:05,498 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 11:22:05,503 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 11:22:05,516 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 11:22:05,520 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 11:22:05,531 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 11:22:05,615 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 11:22:05,628 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 11:22:05,632 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 11:22:05,788 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,789 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,790 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 11:22:05,791 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,791 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 11:22:05,791 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,793 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 11:22:05,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,796 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 11:22:05,798 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:22:05,798 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:22:05,800 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 11:22:05,801 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 11:22:05,801 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 11:22:05,802 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:22:05,802 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:22:05,806 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,807 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 11:22:05,808 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:22:05,808 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,812 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:22:05,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,813 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,813 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,813 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,814 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,814 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,814 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,815 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,815 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,816 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,817 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,820 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,821 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,822 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,822 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,824 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,824 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,826 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:05,826 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,827 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,829 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,830 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 11:22:05,831 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 11:22:05,835 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,836 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 11:22:05,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,842 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:22:05,843 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:22:05,843 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:22:05,843 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 11:22:05,844 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 11:22:05,844 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,849 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,853 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:22:05,854 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:22:05,854 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:22:05,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,866 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:22:05,867 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:05,868 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 11:22:05,868 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,869 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 11:22:05,869 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 11:22:05,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,871 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:22:05,871 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 11:22:05,872 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 11:22:05,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,875 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:22:05,876 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,877 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:22:05,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,879 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:22:05,879 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,882 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:22:05,883 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,884 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,884 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:05,884 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,885 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:22:05,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,886 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:22:05,888 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,889 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,889 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,890 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,893 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,893 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,894 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,894 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,895 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 11:22:05,898 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 11:22:05,899 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,904 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,909 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,910 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,911 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,911 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,911 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,911 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,912 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,912 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,912 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,913 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,913 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:05,913 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,913 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,914 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,914 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,917 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,924 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,925 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 11:22:05,927 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 11:22:05,929 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,930 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,930 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,930 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,930 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,930 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,931 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,931 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,931 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:05,931 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,932 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:05,932 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,949 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 11:22:05,949 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,950 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:05,950 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:05,951 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 11:22:05,951 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-13 11:22:05,951 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 11:22:05,955 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 11:22:05,955 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 11:22:05,956 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 11:22:05,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:05,978 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,007 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:22:06,008 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 11:22:06,010 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_3 [2022-12-13 11:22:06,011 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-13 11:22:06,011 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-13 11:22:06,012 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 11:22:06,012 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 11:22:06,012 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 11:22:06,012 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 11:22:06,013 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:22:06,013 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:22:06,014 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:22:06,014 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 11:22:06,015 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 11:22:06,015 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:22:06,016 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:22:06,016 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:22:06,016 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_5 [2022-12-13 11:22:06,017 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_5 [2022-12-13 11:22:06,017 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 11:22:06,020 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 11:22:06,020 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:22:06,021 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 11:22:06,021 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:22:06,022 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 11:22:06,023 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 11:22:06,023 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 11:22:06,023 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 11:22:06,027 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_4bbcfe12-7721-4e61-8277-e0200f10e84f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2022-12-13 11:22:06,050 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 11:22:06,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:22:06,097 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:22:06,169 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 11:22:06,170 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 11:22:06,171 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-13 11:22:06,173 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-13 11:22:06,175 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-13 11:22:06,178 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:22:06,179 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 11:22:06,179 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 11:22:06,180 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 11:22:06,181 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 11:22:06,181 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 11:22:06,182 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 11:22:06,185 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-13 11:22:06,185 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 11:22:06,186 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 11:22:06,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,189 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 11:22:06,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,191 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 11:22:06,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,193 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 11:22:06,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,195 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 11:22:06,196 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:22:06,196 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 11:22:06,198 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 11:22:06,198 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 11:22:06,198 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 11:22:06,199 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:22:06,199 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 11:22:06,200 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,200 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 11:22:06,201 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 11:22:06,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,203 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:22:06,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,205 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,205 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,205 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,205 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,205 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,206 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,206 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,206 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,207 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,207 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,210 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,210 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,211 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,211 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,212 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,212 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,214 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:06,214 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,214 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,216 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,216 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 11:22:06,217 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 11:22:06,219 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,220 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 11:22:06,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,223 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:22:06,223 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:22:06,224 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 11:22:06,224 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 11:22:06,224 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 11:22:06,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,251 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:22:06,251 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:22:06,252 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 11:22:06,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,254 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:22:06,255 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:06,255 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 11:22:06,255 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,256 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 11:22:06,256 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 11:22:06,256 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,257 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:22:06,257 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 11:22:06,258 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-13 11:22:06,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,259 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:22:06,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,261 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:22:06,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,262 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 11:22:06,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,263 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 11:22:06,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,265 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,265 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:06,265 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,265 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 11:22:06,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,266 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 11:22:06,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,268 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,269 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,271 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,271 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,271 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,272 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,272 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 11:22:06,274 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 11:22:06,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,277 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,279 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,279 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,280 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,280 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,280 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,280 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,281 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,281 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,281 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,281 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,281 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:06,282 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,282 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,282 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,282 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,288 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,288 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-13 11:22:06,290 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-13 11:22:06,291 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,291 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,291 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,292 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,292 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,292 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,292 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,292 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,293 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:06,293 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,293 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 11:22:06,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,302 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 11:22:06,302 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,302 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 11:22:06,302 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 11:22:06,303 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 11:22:06,303 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-13 11:22:06,303 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 11:22:06,304 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 11:22:06,304 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 11:22:06,304 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 11:22:06,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,307 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 11:22:06,311 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 11:22:06,312 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 11:22:06,313 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_3 [2022-12-13 11:22:06,314 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-13 11:22:06,314 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_3 [2022-12-13 11:22:06,314 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 11:22:06,315 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 11:22:06,315 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 11:22:06,315 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-13 11:22:06,316 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:22:06,316 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:22:06,316 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 11:22:06,317 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 11:22:06,317 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 11:22:06,318 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:22:06,318 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:22:06,318 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 11:22:06,318 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_5 [2022-12-13 11:22:06,319 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_5 [2022-12-13 11:22:06,319 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-13 11:22:06,321 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 11:22:06,321 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:22:06,321 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 11:22:06,321 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 11:22:06,322 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 11:22:06,322 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 11:22:06,323 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 11:22:06,323 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 11:22:06,323 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_4bbcfe12-7721-4e61-8277-e0200f10e84f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2022-12-13 11:22:06,325 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-13 11:22:06,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:22:06,400 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:22:06,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06 WrapperNode [2022-12-13 11:22:06,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:22:06,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:22:06,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:22:06,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:22:06,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (1/1) ... [2022-12-13 11:22:06,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (1/1) ... [2022-12-13 11:22:06,508 INFO L138 Inliner]: procedures = 236, calls = 1587, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 4081 [2022-12-13 11:22:06,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:22:06,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:22:06,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:22:06,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:22:06,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (1/1) ... [2022-12-13 11:22:06,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (1/1) ... [2022-12-13 11:22:06,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (1/1) ... [2022-12-13 11:22:06,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (1/1) ... [2022-12-13 11:22:06,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (1/1) ... [2022-12-13 11:22:06,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (1/1) ... [2022-12-13 11:22:06,627 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (1/1) ... [2022-12-13 11:22:06,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (1/1) ... [2022-12-13 11:22:06,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:22:06,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:22:06,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:22:06,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:22:06,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (1/1) ... [2022-12-13 11:22:06,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:22:06,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:22:06,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:22:06,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:22:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-12-13 11:22:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-12-13 11:22:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 11:22:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 11:22:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 11:22:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 11:22:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 11:22:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 11:22:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 11:22:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 11:22:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-12-13 11:22:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-12-13 11:22:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2022-12-13 11:22:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2022-12-13 11:22:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 11:22:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 11:22:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-13 11:22:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-13 11:22:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-13 11:22:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-13 11:22:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 11:22:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 11:22:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2022-12-13 11:22:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2022-12-13 11:22:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 11:22:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 11:22:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write_1bit [2022-12-13 11:22:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write_1bit [2022-12-13 11:22:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-13 11:22:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-13 11:22:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-13 11:22:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-13 11:22:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 11:22:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 11:22:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-13 11:22:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-13 11:22:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-12-13 11:22:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-12-13 11:22:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 11:22:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 11:22:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 11:22:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 11:22:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-13 11:22:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-13 11:22:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 11:22:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 11:22:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-13 11:22:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-13 11:22:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-13 11:22:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-13 11:22:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-12-13 11:22:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-12-13 11:22:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2022-12-13 11:22:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2022-12-13 11:22:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-12-13 11:22:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-12-13 11:22:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:22:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-12-13 11:22:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-12-13 11:22:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 11:22:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-13 11:22:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-13 11:22:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-13 11:22:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-13 11:22:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 11:22:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 11:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-13 11:22:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-13 11:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 11:22:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 11:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 11:22:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 11:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-12-13 11:22:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-12-13 11:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read_1bit [2022-12-13 11:22:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read_1bit [2022-12-13 11:22:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 11:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2022-12-13 11:22:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2022-12-13 11:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-12-13 11:22:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-12-13 11:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 11:22:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 11:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2022-12-13 11:22:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2022-12-13 11:22:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write [2022-12-13 11:22:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write [2022-12-13 11:22:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 11:22:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 11:22:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2022-12-13 11:22:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2022-12-13 11:22:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 11:22:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 11:22:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 11:22:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-12-13 11:22:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-12-13 11:22:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-12-13 11:22:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-12-13 11:22:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 11:22:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2022-12-13 11:22:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2022-12-13 11:22:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:22:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2022-12-13 11:22:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2022-12-13 11:22:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 11:22:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 11:22:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 11:22:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 11:22:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 11:22:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 11:22:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2022-12-13 11:22:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2022-12-13 11:22:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-13 11:22:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-13 11:22:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-12-13 11:22:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-12-13 11:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 11:22:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 11:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 11:22:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 11:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2022-12-13 11:22:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2022-12-13 11:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-12-13 11:22:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-12-13 11:22:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 11:22:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 11:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-12-13 11:22:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-12-13 11:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-12-13 11:22:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-12-13 11:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 11:22:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 11:22:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 11:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-12-13 11:22:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-12-13 11:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-13 11:22:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-13 11:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-12-13 11:22:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-12-13 11:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-12-13 11:22:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-12-13 11:22:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read [2022-12-13 11:22:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read [2022-12-13 11:22:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-12-13 11:22:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-12-13 11:22:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2022-12-13 11:22:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2022-12-13 11:22:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-13 11:22:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-13 11:22:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-13 11:22:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-13 11:22:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 11:22:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 11:22:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:22:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:22:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:22:07,156 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:22:07,158 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:22:07,476 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 11:22:09,652 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:22:09,667 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:22:09,667 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:22:09,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:22:09 BoogieIcfgContainer [2022-12-13 11:22:09,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:22:09,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:22:09,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:22:09,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:22:09,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:22:04" (1/3) ... [2022-12-13 11:22:09,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538b446e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:22:09, skipping insertion in model container [2022-12-13 11:22:09,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:06" (2/3) ... [2022-12-13 11:22:09,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538b446e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:22:09, skipping insertion in model container [2022-12-13 11:22:09,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:22:09" (3/3) ... [2022-12-13 11:22:09,677 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2022-12-13 11:22:09,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:22:09,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:22:09,759 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:22:09,765 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;@11ff058c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:22:09,765 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:22:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 1405 states, 1002 states have (on average 1.3652694610778444) internal successors, (1368), 1025 states have internal predecessors, (1368), 330 states have call successors, (330), 72 states have call predecessors, (330), 71 states have return successors, (323), 317 states have call predecessors, (323), 323 states have call successors, (323) [2022-12-13 11:22:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-13 11:22:09,801 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:22:09,801 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:09,802 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:22:09,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:09,806 INFO L85 PathProgramCache]: Analyzing trace with hash 773922924, now seen corresponding path program 1 times [2022-12-13 11:22:09,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:09,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402676649] [2022-12-13 11:22:09,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:09,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:22:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:22:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:22:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:22:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:22:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:22:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 11:22:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 11:22:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 11:22:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 11:22:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 11:22:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 11:22:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:22:10,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:22:10,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402676649] [2022-12-13 11:22:10,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402676649] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:22:10,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:22:10,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:22:10,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426505653] [2022-12-13 11:22:10,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:22:10,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:22:10,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:22:10,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:22:10,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:22:10,486 INFO L87 Difference]: Start difference. First operand has 1405 states, 1002 states have (on average 1.3652694610778444) internal successors, (1368), 1025 states have internal predecessors, (1368), 330 states have call successors, (330), 72 states have call predecessors, (330), 71 states have return successors, (323), 317 states have call predecessors, (323), 323 states have call successors, (323) Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 11:22:13,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:22:13,953 INFO L93 Difference]: Finished difference Result 2846 states and 4140 transitions. [2022-12-13 11:22:13,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:22:13,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 148 [2022-12-13 11:22:13,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:22:13,971 INFO L225 Difference]: With dead ends: 2846 [2022-12-13 11:22:13,971 INFO L226 Difference]: Without dead ends: 1424 [2022-12-13 11:22:13,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:22:13,981 INFO L413 NwaCegarLoop]: 1263 mSDtfsCounter, 1215 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 2341 mSolverCounterSat, 1170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 3445 SdHoareTripleChecker+Invalid, 3511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1170 IncrementalHoareTripleChecker+Valid, 2341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:22:13,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 3445 Invalid, 3511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1170 Valid, 2341 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 11:22:13,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2022-12-13 11:22:14,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1383. [2022-12-13 11:22:14,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 989 states have (on average 1.3559150657229524) internal successors, (1341), 1003 states have internal predecessors, (1341), 323 states have call successors, (323), 71 states have call predecessors, (323), 70 states have return successors, (322), 316 states have call predecessors, (322), 322 states have call successors, (322) [2022-12-13 11:22:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1986 transitions. [2022-12-13 11:22:14,084 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1986 transitions. Word has length 148 [2022-12-13 11:22:14,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:22:14,084 INFO L495 AbstractCegarLoop]: Abstraction has 1383 states and 1986 transitions. [2022-12-13 11:22:14,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 11:22:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1986 transitions. [2022-12-13 11:22:14,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 11:22:14,090 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:22:14,090 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 11:22:14,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:22:14,091 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:22:14,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:14,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1004861101, now seen corresponding path program 1 times [2022-12-13 11:22:14,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:14,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197602629] [2022-12-13 11:22:14,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:14,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:22:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:22:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:22:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:22:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:22:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:22:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 11:22:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 11:22:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 11:22:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:22:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 11:22:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:22:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 11:22:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-12-13 11:22:14,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:22:14,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197602629] [2022-12-13 11:22:14,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197602629] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:22:14,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:22:14,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 11:22:14,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468539620] [2022-12-13 11:22:14,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:22:14,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:22:14,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:22:14,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:22:14,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:22:14,413 INFO L87 Difference]: Start difference. First operand 1383 states and 1986 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:22:19,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:22:19,073 INFO L93 Difference]: Finished difference Result 3969 states and 5705 transitions. [2022-12-13 11:22:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 11:22:19,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2022-12-13 11:22:19,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:22:19,089 INFO L225 Difference]: With dead ends: 3969 [2022-12-13 11:22:19,089 INFO L226 Difference]: Without dead ends: 2606 [2022-12-13 11:22:19,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-12-13 11:22:19,094 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 3989 mSDsluCounter, 2450 mSDsCounter, 0 mSdLazyCounter, 3192 mSolverCounterSat, 3124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4195 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 6316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3124 IncrementalHoareTripleChecker+Valid, 3192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-13 11:22:19,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4195 Valid, 3829 Invalid, 6316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3124 Valid, 3192 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-13 11:22:19,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2606 states. [2022-12-13 11:22:19,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2606 to 2519. [2022-12-13 11:22:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 1804 states have (on average 1.3547671840354767) internal successors, (2444), 1828 states have internal predecessors, (2444), 582 states have call successors, (582), 133 states have call predecessors, (582), 132 states have return successors, (585), 571 states have call predecessors, (585), 581 states have call successors, (585) [2022-12-13 11:22:19,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3611 transitions. [2022-12-13 11:22:19,189 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3611 transitions. Word has length 161 [2022-12-13 11:22:19,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:22:19,190 INFO L495 AbstractCegarLoop]: Abstraction has 2519 states and 3611 transitions. [2022-12-13 11:22:19,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:22:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3611 transitions. [2022-12-13 11:22:19,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-13 11:22:19,193 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:22:19,193 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:19,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:22:19,193 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:22:19,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:19,194 INFO L85 PathProgramCache]: Analyzing trace with hash 679325812, now seen corresponding path program 1 times [2022-12-13 11:22:19,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:19,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406739575] [2022-12-13 11:22:19,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:19,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:22:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:22:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:22:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:22:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:22:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:22:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 11:22:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 11:22:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 11:22:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 11:22:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 11:22:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 11:22:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:19,614 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:22:19,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:22:19,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406739575] [2022-12-13 11:22:19,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406739575] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:22:19,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:22:19,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 11:22:19,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727380050] [2022-12-13 11:22:19,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:22:19,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 11:22:19,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:22:19,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 11:22:19,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:22:19,617 INFO L87 Difference]: Start difference. First operand 2519 states and 3611 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 11:22:25,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:22:25,410 INFO L93 Difference]: Finished difference Result 7690 states and 11051 transitions. [2022-12-13 11:22:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 11:22:25,411 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 148 [2022-12-13 11:22:25,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:22:25,426 INFO L225 Difference]: With dead ends: 7690 [2022-12-13 11:22:25,426 INFO L226 Difference]: Without dead ends: 5191 [2022-12-13 11:22:25,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-12-13 11:22:25,434 INFO L413 NwaCegarLoop]: 1426 mSDtfsCounter, 3929 mSDsluCounter, 5326 mSDsCounter, 0 mSdLazyCounter, 6600 mSolverCounterSat, 2645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4175 SdHoareTripleChecker+Valid, 6752 SdHoareTripleChecker+Invalid, 9245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2645 IncrementalHoareTripleChecker+Valid, 6600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-13 11:22:25,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4175 Valid, 6752 Invalid, 9245 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2645 Valid, 6600 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-13 11:22:25,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5191 states. [2022-12-13 11:22:25,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5191 to 5013. [2022-12-13 11:22:25,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5013 states, 3591 states have (on average 1.3550543024227235) internal successors, (4866), 3647 states have internal predecessors, (4866), 1156 states have call successors, (1156), 266 states have call predecessors, (1156), 265 states have return successors, (1163), 1127 states have call predecessors, (1163), 1155 states have call successors, (1163) [2022-12-13 11:22:25,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5013 states to 5013 states and 7185 transitions. [2022-12-13 11:22:25,602 INFO L78 Accepts]: Start accepts. Automaton has 5013 states and 7185 transitions. Word has length 148 [2022-12-13 11:22:25,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:22:25,602 INFO L495 AbstractCegarLoop]: Abstraction has 5013 states and 7185 transitions. [2022-12-13 11:22:25,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 11:22:25,603 INFO L276 IsEmpty]: Start isEmpty. Operand 5013 states and 7185 transitions. [2022-12-13 11:22:25,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-13 11:22:25,605 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:22:25,606 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:25,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:22:25,606 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:22:25,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:25,606 INFO L85 PathProgramCache]: Analyzing trace with hash -547949788, now seen corresponding path program 1 times [2022-12-13 11:22:25,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:25,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391582954] [2022-12-13 11:22:25,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:25,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:22:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:22:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:22:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:22:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:22:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:22:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:22:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 11:22:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 11:22:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 11:22:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 11:22:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:22:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:22:25,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:22:25,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391582954] [2022-12-13 11:22:25,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391582954] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:22:25,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:22:25,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 11:22:25,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256433895] [2022-12-13 11:22:25,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:22:25,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 11:22:25,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:22:25,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 11:22:25,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:22:25,993 INFO L87 Difference]: Start difference. First operand 5013 states and 7185 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 11:22:31,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:22:31,126 INFO L93 Difference]: Finished difference Result 15348 states and 22040 transitions. [2022-12-13 11:22:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 11:22:31,127 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 149 [2022-12-13 11:22:31,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:22:31,164 INFO L225 Difference]: With dead ends: 15348 [2022-12-13 11:22:31,164 INFO L226 Difference]: Without dead ends: 10355 [2022-12-13 11:22:31,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-12-13 11:22:31,180 INFO L413 NwaCegarLoop]: 1420 mSDtfsCounter, 4475 mSDsluCounter, 4629 mSDsCounter, 0 mSdLazyCounter, 5687 mSolverCounterSat, 3406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4723 SdHoareTripleChecker+Valid, 6049 SdHoareTripleChecker+Invalid, 9093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3406 IncrementalHoareTripleChecker+Valid, 5687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:22:31,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4723 Valid, 6049 Invalid, 9093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3406 Valid, 5687 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-13 11:22:31,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10355 states. [2022-12-13 11:22:31,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10355 to 10009. [2022-12-13 11:22:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10009 states, 7175 states have (on average 1.3547038327526133) internal successors, (9720), 7285 states have internal predecessors, (9720), 2302 states have call successors, (2302), 532 states have call predecessors, (2302), 531 states have return successors, (2317), 2247 states have call predecessors, (2317), 2301 states have call successors, (2317) [2022-12-13 11:22:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10009 states to 10009 states and 14339 transitions. [2022-12-13 11:22:31,627 INFO L78 Accepts]: Start accepts. Automaton has 10009 states and 14339 transitions. Word has length 149 [2022-12-13 11:22:31,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:22:31,627 INFO L495 AbstractCegarLoop]: Abstraction has 10009 states and 14339 transitions. [2022-12-13 11:22:31,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 11:22:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand 10009 states and 14339 transitions. [2022-12-13 11:22:31,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-13 11:22:31,632 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:22:31,632 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:31,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:22:31,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:22:31,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:31,633 INFO L85 PathProgramCache]: Analyzing trace with hash 109227511, now seen corresponding path program 1 times [2022-12-13 11:22:31,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:31,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210445917] [2022-12-13 11:22:31,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:31,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:31,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:22:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:31,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:31,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:31,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:22:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:31,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:31,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:22:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:22:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:22:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:22:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 11:22:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 11:22:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 11:22:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 11:22:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:22:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 11:22:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:22:32,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:22:32,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210445917] [2022-12-13 11:22:32,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210445917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:22:32,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:22:32,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 11:22:32,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210415500] [2022-12-13 11:22:32,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:22:32,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 11:22:32,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:22:32,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 11:22:32,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:22:32,124 INFO L87 Difference]: Start difference. First operand 10009 states and 14339 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 11:22:39,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:22:39,015 INFO L93 Difference]: Finished difference Result 30685 states and 44024 transitions. [2022-12-13 11:22:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 11:22:39,016 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 150 [2022-12-13 11:22:39,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:22:39,090 INFO L225 Difference]: With dead ends: 30685 [2022-12-13 11:22:39,090 INFO L226 Difference]: Without dead ends: 20696 [2022-12-13 11:22:39,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-12-13 11:22:39,118 INFO L413 NwaCegarLoop]: 1415 mSDtfsCounter, 3879 mSDsluCounter, 5252 mSDsCounter, 0 mSdLazyCounter, 6610 mSolverCounterSat, 2633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4126 SdHoareTripleChecker+Valid, 6667 SdHoareTripleChecker+Invalid, 9243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2633 IncrementalHoareTripleChecker+Valid, 6610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:22:39,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4126 Valid, 6667 Invalid, 9243 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2633 Valid, 6610 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-13 11:22:39,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20696 states. [2022-12-13 11:22:39,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20696 to 20010. [2022-12-13 11:22:39,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20010 states, 14352 states have (on average 1.3542363433667781) internal successors, (19436), 14568 states have internal predecessors, (19436), 4592 states have call successors, (4592), 1066 states have call predecessors, (4592), 1065 states have return successors, (4623), 4487 states have call predecessors, (4623), 4591 states have call successors, (4623) [2022-12-13 11:22:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20010 states to 20010 states and 28651 transitions. [2022-12-13 11:22:39,806 INFO L78 Accepts]: Start accepts. Automaton has 20010 states and 28651 transitions. Word has length 150 [2022-12-13 11:22:39,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:22:39,807 INFO L495 AbstractCegarLoop]: Abstraction has 20010 states and 28651 transitions. [2022-12-13 11:22:39,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 11:22:39,808 INFO L276 IsEmpty]: Start isEmpty. Operand 20010 states and 28651 transitions. [2022-12-13 11:22:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-13 11:22:39,812 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:22:39,812 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:39,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:22:39,812 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:22:39,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:39,812 INFO L85 PathProgramCache]: Analyzing trace with hash -945097465, now seen corresponding path program 1 times [2022-12-13 11:22:39,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:39,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42500380] [2022-12-13 11:22:39,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:39,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:22:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:22:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:22:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:22:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:22:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:22:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 11:22:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 11:22:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 11:22:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 11:22:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 11:22:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:22:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:40,177 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:22:40,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:22:40,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42500380] [2022-12-13 11:22:40,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42500380] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:22:40,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:22:40,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 11:22:40,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187736720] [2022-12-13 11:22:40,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:22:40,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 11:22:40,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:22:40,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 11:22:40,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:22:40,179 INFO L87 Difference]: Start difference. First operand 20010 states and 28651 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 11:22:47,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:22:47,608 INFO L93 Difference]: Finished difference Result 61210 states and 87737 transitions. [2022-12-13 11:22:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 11:22:47,609 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 151 [2022-12-13 11:22:47,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:22:47,711 INFO L225 Difference]: With dead ends: 61210 [2022-12-13 11:22:47,711 INFO L226 Difference]: Without dead ends: 41220 [2022-12-13 11:22:47,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-12-13 11:22:47,759 INFO L413 NwaCegarLoop]: 1415 mSDtfsCounter, 3880 mSDsluCounter, 5902 mSDsCounter, 0 mSdLazyCounter, 7529 mSolverCounterSat, 2633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4125 SdHoareTripleChecker+Valid, 7317 SdHoareTripleChecker+Invalid, 10162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2633 IncrementalHoareTripleChecker+Valid, 7529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:22:47,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4125 Valid, 7317 Invalid, 10162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2633 Valid, 7529 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-13 11:22:47,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41220 states. [2022-12-13 11:22:48,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41220 to 39871. [2022-12-13 11:22:48,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39871 states, 28601 states have (on average 1.3535191077235063) internal successors, (38712), 29023 states have internal predecessors, (38712), 9138 states have call successors, (9138), 2132 states have call predecessors, (9138), 2131 states have return successors, (9201), 8937 states have call predecessors, (9201), 9137 states have call successors, (9201) [2022-12-13 11:22:49,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39871 states to 39871 states and 57051 transitions. [2022-12-13 11:22:49,099 INFO L78 Accepts]: Start accepts. Automaton has 39871 states and 57051 transitions. Word has length 151 [2022-12-13 11:22:49,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:22:49,100 INFO L495 AbstractCegarLoop]: Abstraction has 39871 states and 57051 transitions. [2022-12-13 11:22:49,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 11:22:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 39871 states and 57051 transitions. [2022-12-13 11:22:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 11:22:49,103 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:22:49,103 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:49,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:22:49,104 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:22:49,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:49,104 INFO L85 PathProgramCache]: Analyzing trace with hash -266464580, now seen corresponding path program 1 times [2022-12-13 11:22:49,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:49,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017069626] [2022-12-13 11:22:49,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:49,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:22:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:22:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:22:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:22:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:22:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:22:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 11:22:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 11:22:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 11:22:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:22:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 11:22:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:22:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 11:22:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-12-13 11:22:49,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:22:49,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017069626] [2022-12-13 11:22:49,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017069626] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:22:49,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47737733] [2022-12-13 11:22:49,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:49,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:22:49,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:22:49,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:22:49,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 11:22:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:50,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 2325 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:22:50,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:22:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-12-13 11:22:50,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:22:50,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47737733] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:22:50,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:22:50,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [12] total 13 [2022-12-13 11:22:50,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839737479] [2022-12-13 11:22:50,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:22:50,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:22:50,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:22:50,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:22:50,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-13 11:22:50,465 INFO L87 Difference]: Start difference. First operand 39871 states and 57051 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (21), 2 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 11:22:52,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:22:52,747 INFO L93 Difference]: Finished difference Result 119573 states and 173327 transitions. [2022-12-13 11:22:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:22:52,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (21), 2 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 161 [2022-12-13 11:22:52,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:22:52,985 INFO L225 Difference]: With dead ends: 119573 [2022-12-13 11:22:52,985 INFO L226 Difference]: Without dead ends: 79722 [2022-12-13 11:22:53,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-13 11:22:53,126 INFO L413 NwaCegarLoop]: 2336 mSDtfsCounter, 1924 mSDsluCounter, 1905 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 4241 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:22:53,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 4241 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:22:53,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79722 states. [2022-12-13 11:22:55,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79722 to 79719. [2022-12-13 11:22:56,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79719 states, 57189 states have (on average 1.3405200300757139) internal successors, (76663), 58033 states have internal predecessors, (76663), 18268 states have call successors, (18268), 4262 states have call predecessors, (18268), 4261 states have return successors, (19221), 17867 states have call predecessors, (19221), 18267 states have call successors, (19221) [2022-12-13 11:22:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79719 states to 79719 states and 114152 transitions. [2022-12-13 11:22:56,394 INFO L78 Accepts]: Start accepts. Automaton has 79719 states and 114152 transitions. Word has length 161 [2022-12-13 11:22:56,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:22:56,395 INFO L495 AbstractCegarLoop]: Abstraction has 79719 states and 114152 transitions. [2022-12-13 11:22:56,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (21), 2 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 11:22:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 79719 states and 114152 transitions. [2022-12-13 11:22:56,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 11:22:56,398 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:22:56,399 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:56,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:22:56,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:22:56,599 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:22:56,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:56,600 INFO L85 PathProgramCache]: Analyzing trace with hash -18318086, now seen corresponding path program 1 times [2022-12-13 11:22:56,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:56,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206360394] [2022-12-13 11:22:56,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:56,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:22:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:22:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:22:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:22:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:22:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:22:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:56,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:22:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:57,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:22:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 11:22:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 11:22:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-12-13 11:22:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 11:22:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 11:22:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 11:22:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 11:22:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-12-13 11:22:57,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:22:57,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206360394] [2022-12-13 11:22:57,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206360394] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:22:57,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809925290] [2022-12-13 11:22:57,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:57,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:22:57,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:22:57,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:22:57,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 11:22:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:57,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 2326 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:22:57,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:22:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:22:57,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:22:57,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809925290] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:22:57,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:22:57,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-12-13 11:22:57,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957460409] [2022-12-13 11:22:57,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:22:57,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:22:57,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:22:57,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:22:57,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-12-13 11:22:57,715 INFO L87 Difference]: Start difference. First operand 79719 states and 114152 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:23:00,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:23:00,997 INFO L93 Difference]: Finished difference Result 199837 states and 286068 transitions. [2022-12-13 11:23:00,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 11:23:00,998 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2022-12-13 11:23:00,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:23:01,535 INFO L225 Difference]: With dead ends: 199837 [2022-12-13 11:23:01,536 INFO L226 Difference]: Without dead ends: 120138 [2022-12-13 11:23:01,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2022-12-13 11:23:01,798 INFO L413 NwaCegarLoop]: 2947 mSDtfsCounter, 2004 mSDsluCounter, 13736 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 16683 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:23:01,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2008 Valid, 16683 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:23:01,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120138 states. [2022-12-13 11:23:06,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120138 to 119635. [2022-12-13 11:23:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119635 states, 85853 states have (on average 1.3407219316739076) internal successors, (115105), 87185 states have internal predecessors, (115105), 27344 states have call successors, (27344), 6378 states have call predecessors, (27344), 6437 states have return successors, (28891), 26735 states have call predecessors, (28891), 27343 states have call successors, (28891) [2022-12-13 11:23:06,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119635 states to 119635 states and 171340 transitions. [2022-12-13 11:23:06,549 INFO L78 Accepts]: Start accepts. Automaton has 119635 states and 171340 transitions. Word has length 161 [2022-12-13 11:23:06,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:23:06,549 INFO L495 AbstractCegarLoop]: Abstraction has 119635 states and 171340 transitions. [2022-12-13 11:23:06,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:23:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 119635 states and 171340 transitions. [2022-12-13 11:23:06,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-12-13 11:23:06,554 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:23:06,554 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:23:06,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 11:23:06,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:23:06,755 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:23:06,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:23:06,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1462150385, now seen corresponding path program 1 times [2022-12-13 11:23:06,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:23:06,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499855386] [2022-12-13 11:23:06,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:06,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:23:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:23:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:23:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:23:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:23:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:23:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:23:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 11:23:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 11:23:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 11:23:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 11:23:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 11:23:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 11:23:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 11:23:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:23:07,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:23:07,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499855386] [2022-12-13 11:23:07,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499855386] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:23:07,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021463104] [2022-12-13 11:23:07,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:07,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:23:07,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:23:07,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:23:07,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 11:23:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:07,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 2328 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:23:07,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:23:07,730 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:23:07,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:23:07,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021463104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:23:07,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:23:07,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 11:23:07,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298234158] [2022-12-13 11:23:07,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:23:07,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:23:07,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:23:07,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:23:07,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 11:23:07,731 INFO L87 Difference]: Start difference. First operand 119635 states and 171340 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:23:13,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:23:13,205 INFO L93 Difference]: Finished difference Result 279797 states and 400524 transitions. [2022-12-13 11:23:13,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 11:23:13,206 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 162 [2022-12-13 11:23:13,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:23:13,716 INFO L225 Difference]: With dead ends: 279797 [2022-12-13 11:23:13,716 INFO L226 Difference]: Without dead ends: 160182 [2022-12-13 11:23:14,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 11:23:14,134 INFO L413 NwaCegarLoop]: 2954 mSDtfsCounter, 2004 mSDsluCounter, 13752 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 16706 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:23:14,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2008 Valid, 16706 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:23:14,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160182 states. [2022-12-13 11:23:18,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160182 to 159565. [2022-12-13 11:23:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159565 states, 114521 states have (on average 1.3408108556509286) internal successors, (153551), 116367 states have internal predecessors, (153551), 36420 states have call successors, (36420), 8494 states have call predecessors, (36420), 8623 states have return successors, (38537), 35587 states have call predecessors, (38537), 36419 states have call successors, (38537) [2022-12-13 11:23:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159565 states to 159565 states and 228508 transitions. [2022-12-13 11:23:19,536 INFO L78 Accepts]: Start accepts. Automaton has 159565 states and 228508 transitions. Word has length 162 [2022-12-13 11:23:19,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:23:19,537 INFO L495 AbstractCegarLoop]: Abstraction has 159565 states and 228508 transitions. [2022-12-13 11:23:19,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:23:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 159565 states and 228508 transitions. [2022-12-13 11:23:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-13 11:23:19,542 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:23:19,543 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:23:19,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 11:23:19,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:23:19,743 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:23:19,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:23:19,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1334661601, now seen corresponding path program 1 times [2022-12-13 11:23:19,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:23:19,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132571303] [2022-12-13 11:23:19,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:19,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:23:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:23:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:23:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:23:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:23:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:23:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:23:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 11:23:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 11:23:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 11:23:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:23:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 11:23:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:23:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 11:23:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:23:20,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:23:20,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132571303] [2022-12-13 11:23:20,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132571303] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:23:20,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980099792] [2022-12-13 11:23:20,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:20,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:23:20,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:23:20,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:23:20,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 11:23:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:20,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 2330 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:23:20,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:23:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:23:20,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:23:20,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980099792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:23:20,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:23:20,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 11:23:20,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642379951] [2022-12-13 11:23:20,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:23:20,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:23:20,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:23:20,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:23:20,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 11:23:20,617 INFO L87 Difference]: Start difference. First operand 159565 states and 228508 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:23:26,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:23:26,317 INFO L93 Difference]: Finished difference Result 359643 states and 514832 transitions. [2022-12-13 11:23:26,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 11:23:26,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 163 [2022-12-13 11:23:26,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:23:27,114 INFO L225 Difference]: With dead ends: 359643 [2022-12-13 11:23:27,114 INFO L226 Difference]: Without dead ends: 200098 [2022-12-13 11:23:27,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 11:23:27,512 INFO L413 NwaCegarLoop]: 2952 mSDtfsCounter, 2004 mSDsluCounter, 13744 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 16696 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:23:27,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2008 Valid, 16696 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:23:27,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200098 states. [2022-12-13 11:23:32,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200098 to 159617. [2022-12-13 11:23:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159617 states, 114561 states have (on average 1.3406918584858722) internal successors, (153591), 116403 states have internal predecessors, (153591), 36420 states have call successors, (36420), 8494 states have call predecessors, (36420), 8635 states have return successors, (38555), 35603 states have call predecessors, (38555), 36419 states have call successors, (38555) [2022-12-13 11:23:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159617 states to 159617 states and 228566 transitions. [2022-12-13 11:23:33,520 INFO L78 Accepts]: Start accepts. Automaton has 159617 states and 228566 transitions. Word has length 163 [2022-12-13 11:23:33,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:23:33,521 INFO L495 AbstractCegarLoop]: Abstraction has 159617 states and 228566 transitions. [2022-12-13 11:23:33,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:23:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 159617 states and 228566 transitions. [2022-12-13 11:23:33,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-13 11:23:33,526 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:23:33,527 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:23:33,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 11:23:33,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:23:33,728 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:23:33,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:23:33,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1847507050, now seen corresponding path program 1 times [2022-12-13 11:23:33,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:23:33,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356854664] [2022-12-13 11:23:33,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:33,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:23:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:23:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:33,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:23:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:33,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:33,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:23:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:23:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:23:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:23:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 11:23:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 11:23:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 11:23:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 11:23:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 11:23:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 11:23:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 11:23:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:23:34,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:23:34,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356854664] [2022-12-13 11:23:34,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356854664] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:23:34,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879223130] [2022-12-13 11:23:34,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:34,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:23:34,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:23:34,104 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:23:34,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 11:23:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:34,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 2332 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 11:23:34,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:23:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-13 11:23:34,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:23:34,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879223130] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:23:34,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:23:34,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 11:23:34,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845878022] [2022-12-13 11:23:34,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:23:34,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 11:23:34,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:23:34,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 11:23:34,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2022-12-13 11:23:34,659 INFO L87 Difference]: Start difference. First operand 159617 states and 228566 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:23:40,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:23:40,483 INFO L93 Difference]: Finished difference Result 359727 states and 514922 transitions. [2022-12-13 11:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 11:23:40,484 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 164 [2022-12-13 11:23:40,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:23:41,181 INFO L225 Difference]: With dead ends: 359727 [2022-12-13 11:23:41,181 INFO L226 Difference]: Without dead ends: 200130 [2022-12-13 11:23:41,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-13 11:23:41,644 INFO L413 NwaCegarLoop]: 2954 mSDtfsCounter, 2004 mSDsluCounter, 13752 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 16706 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 11:23:41,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2008 Valid, 16706 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 11:23:41,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200130 states. [2022-12-13 11:23:46,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200130 to 159651. [2022-12-13 11:23:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159651 states, 114589 states have (on average 1.340608609901474) internal successors, (153619), 116421 states have internal predecessors, (153619), 36420 states have call successors, (36420), 8494 states have call predecessors, (36420), 8641 states have return successors, (38561), 35619 states have call predecessors, (38561), 36419 states have call successors, (38561) [2022-12-13 11:23:47,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159651 states to 159651 states and 228600 transitions. [2022-12-13 11:23:47,517 INFO L78 Accepts]: Start accepts. Automaton has 159651 states and 228600 transitions. Word has length 164 [2022-12-13 11:23:47,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:23:47,517 INFO L495 AbstractCegarLoop]: Abstraction has 159651 states and 228600 transitions. [2022-12-13 11:23:47,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 11:23:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 159651 states and 228600 transitions. [2022-12-13 11:23:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-12-13 11:23:47,524 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:23:47,524 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:23:47,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 11:23:47,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:23:47,726 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:23:47,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:23:47,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1230997197, now seen corresponding path program 1 times [2022-12-13 11:23:47,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:23:47,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971957114] [2022-12-13 11:23:47,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:23:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:47,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:23:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:23:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:23:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:23:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:23:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:23:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:23:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:23:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 11:23:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 11:23:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 11:23:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 11:23:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 11:23:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 11:23:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 11:23:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 11:23:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 11:23:48,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:23:48,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971957114] [2022-12-13 11:23:48,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971957114] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:23:48,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299878154] [2022-12-13 11:23:48,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:23:48,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:23:48,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:23:48,175 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:23:48,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 11:23:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:23:48,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 2399 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 11:23:48,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:23:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-12-13 11:23:48,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:23:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-12-13 11:23:48,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299878154] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:23:48,991 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 11:23:48,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 11:23:48,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512038285] [2022-12-13 11:23:48,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 11:23:48,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 11:23:48,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:23:48,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 11:23:48,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 11:23:48,994 INFO L87 Difference]: Start difference. First operand 159651 states and 228600 transitions. Second operand has 24 states, 24 states have (on average 5.916666666666667) internal successors, (142), 15 states have internal predecessors, (142), 5 states have call successors, (42), 9 states have call predecessors, (42), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) [2022-12-13 11:24:35,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:24:35,127 INFO L93 Difference]: Finished difference Result 499588 states and 725891 transitions. [2022-12-13 11:24:35,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2022-12-13 11:24:35,128 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.916666666666667) internal successors, (142), 15 states have internal predecessors, (142), 5 states have call successors, (42), 9 states have call predecessors, (42), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) Word has length 177 [2022-12-13 11:24:35,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:24:36,447 INFO L225 Difference]: With dead ends: 499588 [2022-12-13 11:24:36,447 INFO L226 Difference]: Without dead ends: 339173 [2022-12-13 11:24:36,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 405 SyntacticMatches, 8 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6169 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2573, Invalid=14197, Unknown=0, NotChecked=0, Total=16770 [2022-12-13 11:24:36,961 INFO L413 NwaCegarLoop]: 4272 mSDtfsCounter, 19492 mSDsluCounter, 40175 mSDsCounter, 0 mSdLazyCounter, 51171 mSolverCounterSat, 12489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20194 SdHoareTripleChecker+Valid, 44447 SdHoareTripleChecker+Invalid, 63660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 12489 IncrementalHoareTripleChecker+Valid, 51171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-12-13 11:24:36,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20194 Valid, 44447 Invalid, 63660 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [12489 Valid, 51171 Invalid, 0 Unknown, 0 Unchecked, 32.4s Time] [2022-12-13 11:24:37,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339173 states. [2022-12-13 11:24:46,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339173 to 258909. [2022-12-13 11:24:46,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258909 states, 185704 states have (on average 1.3400788351354844) internal successors, (248858), 188831 states have internal predecessors, (248858), 59036 states have call successors, (59036), 13806 states have call predecessors, (59036), 14168 states have return successors, (62981), 57699 states have call predecessors, (62981), 59035 states have call successors, (62981) [2022-12-13 11:24:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258909 states to 258909 states and 370875 transitions. [2022-12-13 11:24:48,131 INFO L78 Accepts]: Start accepts. Automaton has 258909 states and 370875 transitions. Word has length 177 [2022-12-13 11:24:48,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:24:48,131 INFO L495 AbstractCegarLoop]: Abstraction has 258909 states and 370875 transitions. [2022-12-13 11:24:48,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.916666666666667) internal successors, (142), 15 states have internal predecessors, (142), 5 states have call successors, (42), 9 states have call predecessors, (42), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) [2022-12-13 11:24:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand 258909 states and 370875 transitions. [2022-12-13 11:24:48,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-12-13 11:24:48,141 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:24:48,141 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:24:48,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 11:24:48,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 11:24:48,343 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:24:48,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:24:48,344 INFO L85 PathProgramCache]: Analyzing trace with hash 992530875, now seen corresponding path program 1 times [2022-12-13 11:24:48,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:24:48,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897971594] [2022-12-13 11:24:48,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:24:48,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:24:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:24:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:24:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:24:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:24:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:24:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:24:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:24:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:24:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:24:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:24:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:24:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:24:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:24:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:24:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:24:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:24:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 11:24:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 11:24:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 11:24:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 11:24:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 11:24:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 11:24:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 11:24:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 11:24:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 11:24:48,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:24:48,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897971594] [2022-12-13 11:24:48,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897971594] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:24:48,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283005420] [2022-12-13 11:24:48,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:24:48,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:24:48,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:24:48,902 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:24:48,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 11:24:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:24:49,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 2401 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 11:24:49,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:24:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-12-13 11:24:49,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:24:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-12-13 11:24:49,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283005420] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:24:49,837 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 11:24:49,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 11:24:49,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893471667] [2022-12-13 11:24:49,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 11:24:49,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 11:24:49,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:24:49,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 11:24:49,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 11:24:49,839 INFO L87 Difference]: Start difference. First operand 258909 states and 370875 transitions. Second operand has 24 states, 24 states have (on average 6.0) internal successors, (144), 15 states have internal predecessors, (144), 5 states have call successors, (42), 9 states have call predecessors, (42), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) [2022-12-13 11:25:45,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:25:45,510 INFO L93 Difference]: Finished difference Result 827830 states and 1201226 transitions. [2022-12-13 11:25:45,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2022-12-13 11:25:45,511 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.0) internal successors, (144), 15 states have internal predecessors, (144), 5 states have call successors, (42), 9 states have call predecessors, (42), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) Word has length 178 [2022-12-13 11:25:45,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:25:47,860 INFO L225 Difference]: With dead ends: 827830 [2022-12-13 11:25:47,860 INFO L226 Difference]: Without dead ends: 567653 [2022-12-13 11:25:48,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 407 SyntacticMatches, 8 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6237 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2573, Invalid=14197, Unknown=0, NotChecked=0, Total=16770 [2022-12-13 11:25:48,839 INFO L413 NwaCegarLoop]: 4225 mSDtfsCounter, 20888 mSDsluCounter, 41342 mSDsCounter, 0 mSdLazyCounter, 54564 mSolverCounterSat, 13573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21595 SdHoareTripleChecker+Valid, 45567 SdHoareTripleChecker+Invalid, 68137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 13573 IncrementalHoareTripleChecker+Valid, 54564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:25:48,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21595 Valid, 45567 Invalid, 68137 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [13573 Valid, 54564 Invalid, 0 Unknown, 0 Unchecked, 31.6s Time] [2022-12-13 11:25:49,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567653 states. [2022-12-13 11:26:06,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567653 to 387545. [2022-12-13 11:26:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387545 states, 277926 states have (on average 1.3399106236911984) internal successors, (372396), 282599 states have internal predecessors, (372396), 88420 states have call successors, (88420), 20718 states have call predecessors, (88420), 21198 states have return successors, (94225), 86359 states have call predecessors, (94225), 88419 states have call successors, (94225) [2022-12-13 11:26:09,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387545 states to 387545 states and 555041 transitions. [2022-12-13 11:26:09,061 INFO L78 Accepts]: Start accepts. Automaton has 387545 states and 555041 transitions. Word has length 178 [2022-12-13 11:26:09,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:26:09,062 INFO L495 AbstractCegarLoop]: Abstraction has 387545 states and 555041 transitions. [2022-12-13 11:26:09,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.0) internal successors, (144), 15 states have internal predecessors, (144), 5 states have call successors, (42), 9 states have call predecessors, (42), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) [2022-12-13 11:26:09,062 INFO L276 IsEmpty]: Start isEmpty. Operand 387545 states and 555041 transitions. [2022-12-13 11:26:09,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-13 11:26:09,074 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:26:09,074 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:26:09,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 11:26:09,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:26:09,276 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:26:09,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:26:09,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1108468890, now seen corresponding path program 1 times [2022-12-13 11:26:09,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:26:09,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015180134] [2022-12-13 11:26:09,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:26:09,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:26:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:26:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:26:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:26:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:26:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:26:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:26:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:26:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:26:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:26:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:26:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:26:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:26:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:26:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:26:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:26:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:26:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 11:26:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 11:26:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-12-13 11:26:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 11:26:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 11:26:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 11:26:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 11:26:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 11:26:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 11:26:09,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:26:09,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015180134] [2022-12-13 11:26:09,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015180134] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:26:09,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967562483] [2022-12-13 11:26:09,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:26:09,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:26:09,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:26:09,836 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:26:09,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 11:26:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:26:10,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 2403 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 11:26:10,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:26:10,407 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-12-13 11:26:10,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:26:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-12-13 11:26:10,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967562483] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:26:10,629 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 11:26:10,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-12-13 11:26:10,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625585690] [2022-12-13 11:26:10,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 11:26:10,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 11:26:10,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:26:10,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 11:26:10,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2022-12-13 11:26:10,632 INFO L87 Difference]: Start difference. First operand 387545 states and 555041 transitions. Second operand has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 15 states have internal predecessors, (146), 5 states have call successors, (42), 9 states have call predecessors, (42), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) [2022-12-13 11:27:13,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:27:13,350 INFO L93 Difference]: Finished difference Result 1130718 states and 1642290 transitions. [2022-12-13 11:27:13,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2022-12-13 11:27:13,351 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 15 states have internal predecessors, (146), 5 states have call successors, (42), 9 states have call predecessors, (42), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) Word has length 179 [2022-12-13 11:27:13,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:27:16,358 INFO L225 Difference]: With dead ends: 1130718 [2022-12-13 11:27:16,358 INFO L226 Difference]: Without dead ends: 741457 [2022-12-13 11:27:18,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 409 SyntacticMatches, 8 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6217 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2573, Invalid=14197, Unknown=0, NotChecked=0, Total=16770 [2022-12-13 11:27:18,177 INFO L413 NwaCegarLoop]: 4227 mSDtfsCounter, 20039 mSDsluCounter, 40923 mSDsCounter, 0 mSdLazyCounter, 51198 mSolverCounterSat, 12507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20744 SdHoareTripleChecker+Valid, 45150 SdHoareTripleChecker+Invalid, 63705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 12507 IncrementalHoareTripleChecker+Valid, 51198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:27:18,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20744 Valid, 45150 Invalid, 63705 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [12507 Valid, 51198 Invalid, 0 Unknown, 0 Unchecked, 29.5s Time] [2022-12-13 11:27:18,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741457 states. [2022-12-13 11:27:42,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741457 to 436187. [2022-12-13 11:27:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436187 states, 312724 states have (on average 1.3395837863419502) internal successors, (418920), 317821 states have internal predecessors, (418920), 99672 states have call successors, (99672), 23378 states have call predecessors, (99672), 23790 states have return successors, (106069), 97383 states have call predecessors, (106069), 99671 states have call successors, (106069) [2022-12-13 11:27:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436187 states to 436187 states and 624661 transitions. [2022-12-13 11:27:45,238 INFO L78 Accepts]: Start accepts. Automaton has 436187 states and 624661 transitions. Word has length 179 [2022-12-13 11:27:45,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:27:45,239 INFO L495 AbstractCegarLoop]: Abstraction has 436187 states and 624661 transitions. [2022-12-13 11:27:45,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 15 states have internal predecessors, (146), 5 states have call successors, (42), 9 states have call predecessors, (42), 7 states have return successors, (32), 6 states have call predecessors, (32), 5 states have call successors, (32) [2022-12-13 11:27:45,239 INFO L276 IsEmpty]: Start isEmpty. Operand 436187 states and 624661 transitions. [2022-12-13 11:27:45,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-12-13 11:27:45,254 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:27:45,254 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:27:45,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 11:27:45,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bbcfe12-7721-4e61-8277-e0200f10e84f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 11:27:45,455 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:27:45,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:27:45,456 INFO L85 PathProgramCache]: Analyzing trace with hash 746461124, now seen corresponding path program 1 times [2022-12-13 11:27:45,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:27:45,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590339122] [2022-12-13 11:27:45,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:27:45,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:27:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:27:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:27:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:27:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 11:27:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:27:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:27:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 11:27:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:27:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:27:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 11:27:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:27:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 11:27:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 11:27:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:27:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 11:27:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:27:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 11:27:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 11:27:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 11:27:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 11:27:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 11:27:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 11:27:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 11:27:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 11:27:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 11:27:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 11:27:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 11:27:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 11:27:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 11:27:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 11:27:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 11:27:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 11:27:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 11:27:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 11:27:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 11:27:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:27:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-12-13 11:27:45,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:27:45,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590339122] [2022-12-13 11:27:45,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590339122] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:27:45,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:27:45,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 11:27:45,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620197130] [2022-12-13 11:27:45,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:27:45,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:27:45,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:27:45,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:27:45,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:27:45,811 INFO L87 Difference]: Start difference. First operand 436187 states and 624661 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 11:28:23,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:28:23,025 INFO L93 Difference]: Finished difference Result 1228966 states and 1762576 transitions. [2022-12-13 11:28:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 11:28:23,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 230 [2022-12-13 11:28:23,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:28:26,732 INFO L225 Difference]: With dead ends: 1228966 [2022-12-13 11:28:26,732 INFO L226 Difference]: Without dead ends: 792799 [2022-12-13 11:28:28,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 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 11:28:28,241 INFO L413 NwaCegarLoop]: 2434 mSDtfsCounter, 2537 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 1781 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2702 SdHoareTripleChecker+Valid, 4970 SdHoareTripleChecker+Invalid, 3876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1781 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:28:28,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2702 Valid, 4970 Invalid, 3876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1781 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-13 11:28:28,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792799 states.