./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--atm--nicstar.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:43:13,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:43:13,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:43:13,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:43:13,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:43:13,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:43:13,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:43:13,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:43:13,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:43:13,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:43:13,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:43:13,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:43:13,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:43:13,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:43:13,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:43:13,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:43:13,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:43:13,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:43:13,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:43:13,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:43:13,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:43:13,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:43:13,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:43:13,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:43:13,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:43:13,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:43:13,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:43:13,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:43:13,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:43:13,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:43:13,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:43:13,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:43:13,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:43:13,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:43:13,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:43:13,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:43:13,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:43:13,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:43:13,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:43:13,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:43:13,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:43:13,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:43:13,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:43:13,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:43:13,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:43:13,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:43:13,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:43:13,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:43:13,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:43:13,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:43:13,596 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:43:13,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:43:13,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:43:13,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:43:13,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:43:13,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:43:13,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:43:13,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:43:13,597 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:43:13,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:43:13,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:43:13,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:43:13,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:43:13,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:43:13,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:43:13,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:43:13,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:43:13,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:43:13,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:43:13,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:43:13,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:43:13,600 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:43:13,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:43:13,600 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_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b [2022-11-25 17:43:13,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:43:13,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:43:13,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:43:13,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:43:13,924 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:43:13,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2022-11-25 17:43:17,063 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:43:17,895 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:43:17,896 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2022-11-25 17:43:17,956 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/data/501a2dc32/916b1a4aa3d140e4a7d61ec9699ee5f3/FLAGe6950463f [2022-11-25 17:43:18,010 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/data/501a2dc32/916b1a4aa3d140e4a7d61ec9699ee5f3 [2022-11-25 17:43:18,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:43:18,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:43:18,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:43:18,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:43:18,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:43:18,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:43:18" (1/1) ... [2022-11-25 17:43:18,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b7d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:18, skipping insertion in model container [2022-11-25 17:43:18,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:43:18" (1/1) ... [2022-11-25 17:43:18,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:43:18,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:43:19,206 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:43:19,253 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 17:43:19,266 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 17:43:19,279 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:43:19,329 WARN L623 FunctionHandler]: Unknown extern function ktime_get_with_offset [2022-11-25 17:43:19,390 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 17:43:19,442 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 17:43:19,445 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 17:43:19,446 WARN L623 FunctionHandler]: Unknown extern function idr_find_slowpath [2022-11-25 17:43:19,570 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:43:19,572 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:43:19,572 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 17:43:19,579 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:43:19,581 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 17:43:19,582 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 17:43:19,636 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:43:19,652 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:43:19,653 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:43:19,671 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:43:19,683 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 17:43:19,716 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 17:43:19,726 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 17:43:19,785 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:43:19,968 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 17:43:20,008 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 17:43:20,015 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 17:43:20,076 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 17:43:20,153 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:20,158 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:20,164 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:20,166 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:20,168 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:20,170 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:20,180 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:20,182 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:20,188 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:20,189 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:20,206 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:20,367 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:43:20,369 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,371 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,372 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,372 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,375 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-25 17:43:20,376 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 17:43:20,377 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 17:43:20,379 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:43:20,380 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:20,397 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:43:20,415 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 17:43:20,416 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,426 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,431 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:43:20,432 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:43:20,435 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,436 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:43:20,437 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,439 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:20,439 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:20,442 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:20,443 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:20,444 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:20,445 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:20,447 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:20,447 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:20,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,463 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-11-25 17:43:20,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,473 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-11-25 17:43:20,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,485 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,515 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-25 17:43:20,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,517 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,522 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,526 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,531 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,540 WARN L623 FunctionHandler]: Unknown extern function mac_pton [2022-11-25 17:43:20,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,556 WARN L623 FunctionHandler]: Unknown extern function suni_init [2022-11-25 17:43:20,558 WARN L623 FunctionHandler]: Unknown extern function idt77105_init [2022-11-25 17:43:20,563 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,566 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,569 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,570 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,571 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:20,571 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:20,572 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:43:20,572 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:43:20,573 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:20,576 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-11-25 17:43:20,577 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:20,580 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:20,580 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:20,582 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:43:20,583 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:43:20,592 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,595 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:20,596 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 17:43:20,599 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:20,604 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:20,605 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:20,607 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:20,607 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:20,608 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-11-25 17:43:20,610 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-11-25 17:43:20,623 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,632 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,634 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,635 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,646 WARN L623 FunctionHandler]: Unknown extern function atm_pcr_goal [2022-11-25 17:43:20,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,678 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:43:20,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,688 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,691 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,702 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,704 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 17:43:20,705 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-25 17:43:20,706 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:43:20,707 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,713 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 17:43:20,714 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-25 17:43:20,714 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:43:20,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,723 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:43:20,728 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,736 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 17:43:20,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,740 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,741 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-11-25 17:43:20,752 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:20,753 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:20,755 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,760 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,771 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-11-25 17:43:20,771 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:20,773 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-11-25 17:43:20,779 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:20,780 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-11-25 17:43:20,781 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:43:20,781 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:20,782 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,783 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,784 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,785 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,786 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,786 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-11-25 17:43:20,787 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,788 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:20,789 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:20,802 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,804 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,805 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:20,809 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,811 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,812 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:20,812 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,813 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,816 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:20,816 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:20,817 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:20,818 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:20,819 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:20,819 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:20,821 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:43:20,825 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 17:43:20,828 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 17:43:20,829 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,831 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,831 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,833 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,834 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:20,835 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,836 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:20,837 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:20,881 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:43:20,885 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-11-25 17:43:20,885 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 17:43:20,894 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 17:43:20,894 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:43:20,895 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 17:43:20,896 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:43:20,896 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 17:43:20,900 WARN L623 FunctionHandler]: Unknown extern function atm_dev_register [2022-11-25 17:43:20,901 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:43:20,902 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:43:20,908 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_dfae08ff-67a1-4627-8d52-d3e116f11f19/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i[321673,321686] [2022-11-25 17:43:20,948 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 17:43:20,983 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-25 17:43:21,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:43:21,040 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:43:21,253 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 17:43:21,254 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 17:43:21,255 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 17:43:21,256 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 17:43:21,258 WARN L623 FunctionHandler]: Unknown extern function ktime_get_with_offset [2022-11-25 17:43:21,259 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 17:43:21,260 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 17:43:21,262 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 17:43:21,262 WARN L623 FunctionHandler]: Unknown extern function idr_find_slowpath [2022-11-25 17:43:21,265 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:43:21,265 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 17:43:21,266 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 17:43:21,267 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:43:21,268 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 17:43:21,268 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 17:43:21,277 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:43:21,280 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:43:21,280 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:43:21,282 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:43:21,283 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 17:43:21,284 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 17:43:21,285 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 17:43:21,289 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:43:21,301 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 17:43:21,302 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 17:43:21,303 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 17:43:21,304 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_byte [2022-11-25 17:43:21,312 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:21,314 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:21,315 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:21,317 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:21,320 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:21,322 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:21,324 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:21,325 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:21,325 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:21,326 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:21,327 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:43:21,341 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:43:21,341 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,342 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,343 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,344 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,345 WARN L623 FunctionHandler]: Unknown extern function idr_destroy [2022-11-25 17:43:21,345 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 17:43:21,346 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 17:43:21,346 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:43:21,347 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:21,353 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 17:43:21,358 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 17:43:21,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,362 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:43:21,362 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:43:21,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,365 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:43:21,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,367 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:21,367 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:21,368 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:21,368 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:21,370 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:21,374 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:21,375 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:21,376 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:43:21,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,384 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,386 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,387 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-11-25 17:43:21,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,390 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-11-25 17:43:21,391 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,393 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,398 WARN L623 FunctionHandler]: Unknown extern function idr_init [2022-11-25 17:43:21,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,400 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,400 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,401 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,402 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,406 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,409 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,412 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,412 WARN L623 FunctionHandler]: Unknown extern function mac_pton [2022-11-25 17:43:21,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,417 WARN L623 FunctionHandler]: Unknown extern function suni_init [2022-11-25 17:43:21,418 WARN L623 FunctionHandler]: Unknown extern function idt77105_init [2022-11-25 17:43:21,423 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,424 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,424 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,425 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,425 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:21,426 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:21,426 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:43:21,427 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:43:21,427 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:21,429 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-11-25 17:43:21,429 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:21,430 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:21,430 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:21,432 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 17:43:21,432 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:43:21,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,455 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:21,455 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 17:43:21,456 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:43:21,459 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:21,460 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:21,460 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:21,461 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:21,461 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-11-25 17:43:21,461 WARN L623 FunctionHandler]: Unknown extern function idr_alloc [2022-11-25 17:43:21,468 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,473 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,475 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,480 WARN L623 FunctionHandler]: Unknown extern function atm_pcr_goal [2022-11-25 17:43:21,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,495 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 17:43:21,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,502 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,511 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 17:43:21,512 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-25 17:43:21,512 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:43:21,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,519 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 17:43:21,520 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-25 17:43:21,520 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 17:43:21,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,526 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 17:43:21,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,540 WARN L623 FunctionHandler]: Unknown extern function idr_remove [2022-11-25 17:43:21,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,543 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-11-25 17:43:21,544 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:21,545 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:21,550 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,551 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,552 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,556 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-11-25 17:43:21,557 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:21,565 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-11-25 17:43:21,566 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:21,605 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-11-25 17:43:21,605 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 17:43:21,606 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:21,611 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,612 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,613 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,614 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,614 WARN L623 FunctionHandler]: Unknown extern function atm_charge [2022-11-25 17:43:21,615 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,615 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:21,616 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:43:21,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,623 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,624 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:21,624 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,625 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,626 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-11-25 17:43:21,626 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,627 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,628 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:21,628 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:21,629 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:21,630 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:21,630 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:21,630 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:43:21,632 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-11-25 17:43:21,642 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 17:43:21,644 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 17:43:21,644 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,645 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,646 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,647 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,647 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 17:43:21,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,649 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 17:43:21,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:43:21,660 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 17:43:21,662 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-11-25 17:43:21,663 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 17:43:21,665 WARN L623 FunctionHandler]: Unknown extern function atm_dev_deregister [2022-11-25 17:43:21,666 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:43:21,666 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 17:43:21,666 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 17:43:21,667 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 17:43:21,668 WARN L623 FunctionHandler]: Unknown extern function atm_dev_register [2022-11-25 17:43:21,668 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:43:21,668 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:43:21,669 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_dfae08ff-67a1-4627-8d52-d3e116f11f19/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i[321673,321686] [2022-11-25 17:43:21,670 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 17:43:21,684 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-25 17:43:21,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:43:21,763 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:43:21,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21 WrapperNode [2022-11-25 17:43:21,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:43:21,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:43:21,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:43:21,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:43:21,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (1/1) ... [2022-11-25 17:43:21,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (1/1) ... [2022-11-25 17:43:22,059 INFO L138 Inliner]: procedures = 252, calls = 2329, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 6002 [2022-11-25 17:43:22,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:43:22,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:43:22,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:43:22,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:43:22,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (1/1) ... [2022-11-25 17:43:22,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (1/1) ... [2022-11-25 17:43:22,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (1/1) ... [2022-11-25 17:43:22,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (1/1) ... [2022-11-25 17:43:22,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (1/1) ... [2022-11-25 17:43:22,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (1/1) ... [2022-11-25 17:43:22,402 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (1/1) ... [2022-11-25 17:43:22,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (1/1) ... [2022-11-25 17:43:22,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:43:22,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:43:22,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:43:22,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:43:22,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (1/1) ... [2022-11-25 17:43:22,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:43:22,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:43:22,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:43:22,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfae08ff-67a1-4627-8d52-d3e116f11f19/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:43:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure atm_charge [2022-11-25 17:43:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_charge [2022-11-25 17:43:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-25 17:43:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-25 17:43:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure process_tsq [2022-11-25 17:43:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure process_tsq [2022-11-25 17:43:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:43:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-25 17:43:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-25 17:43:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:43:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 17:43:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 17:43:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 17:43:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 17:43:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-25 17:43:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-25 17:43:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ns_open [2022-11-25 17:43:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_open [2022-11-25 17:43:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-25 17:43:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-25 17:43:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-25 17:43:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-25 17:43:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ns_read_sram [2022-11-25 17:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_read_sram [2022-11-25 17:43:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure get_scq [2022-11-25 17:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure get_scq [2022-11-25 17:43:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:43:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_buf [2022-11-25 17:43:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_buf [2022-11-25 17:43:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 17:43:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 17:43:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 17:43:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 17:43:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2022-11-25 17:43:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2022-11-25 17:43:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 17:43:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 17:43:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 17:43:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 17:43:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 17:43:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 17:43:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 17:43:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 17:43:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 17:43:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 17:43:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioctl [2022-11-25 17:43:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioctl [2022-11-25 17:43:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-25 17:43:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-25 17:43:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:43:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 17:43:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 17:43:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure process_rsq [2022-11-25 17:43:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rsq [2022-11-25 17:43:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:43:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 17:43:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-25 17:43:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-25 17:43:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 17:43:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 17:43:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-11-25 17:43:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-11-25 17:43:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:43:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-25 17:43:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-25 17:43:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-11-25 17:43:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-11-25 17:43:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:43:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_sm_buf [2022-11-25 17:43:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_sm_buf [2022-11-25 17:43:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-25 17:43:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-25 17:43:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-25 17:43:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-25 17:43:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 17:43:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 17:43:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure push_rxbufs [2022-11-25 17:43:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure push_rxbufs [2022-11-25 17:43:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 17:43:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_get [2022-11-25 17:43:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_get [2022-11-25 17:43:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 17:43:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 17:43:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 17:43:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 17:43:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-11-25 17:43:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-11-25 17:43:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:43:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure ns_close [2022-11-25 17:43:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_close [2022-11-25 17:43:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-25 17:43:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-25 17:43:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-25 17:43:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-25 17:43:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:43:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 17:43:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 17:43:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_read_eprom [2022-11-25 17:43:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_read_eprom [2022-11-25 17:43:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 17:43:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 17:43:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_put [2022-11-25 17:43:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_put [2022-11-25 17:43:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 17:43:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 17:43:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iov_buf [2022-11-25 17:43:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iov_buf [2022-11-25 17:43:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-25 17:43:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-25 17:43:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 17:43:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 17:43:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:43:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 17:43:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 17:43:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-25 17:43:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-25 17:43:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure ns_send [2022-11-25 17:43:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_send [2022-11-25 17:43:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-25 17:43:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-25 17:43:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-25 17:43:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-25 17:43:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-25 17:43:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-25 17:43:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 17:43:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 17:43:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-25 17:43:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-25 17:43:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 17:43:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 17:43:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:43:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 17:43:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 17:43:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 17:43:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 17:43:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-25 17:43:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-25 17:43:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2022-11-25 17:43:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2022-11-25 17:43:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:43:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-25 17:43:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-25 17:43:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 17:43:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 17:43:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 17:43:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 17:43:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:43:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 17:43:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-25 17:43:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-25 17:43:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-25 17:43:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-25 17:43:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-25 17:43:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-25 17:43:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 17:43:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 17:43:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure free_scq [2022-11-25 17:43:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scq [2022-11-25 17:43:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2022-11-25 17:43:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2022-11-25 17:43:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-11-25 17:43:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-11-25 17:43:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iovec_rx_bufs [2022-11-25 17:43:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iovec_rx_bufs [2022-11-25 17:43:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-25 17:43:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-25 17:43:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_remove_one [2022-11-25 17:43:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_remove_one [2022-11-25 17:43:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-11-25 17:43:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-11-25 17:43:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 17:43:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 17:43:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-25 17:43:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-25 17:43:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure ns_init_card_error [2022-11-25 17:43:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_init_card_error [2022-11-25 17:43:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 17:43:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 17:43:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 17:43:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 17:43:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 17:43:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 17:43:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure ns_write_sram [2022-11-25 17:43:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_write_sram [2022-11-25 17:43:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-25 17:43:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-25 17:43:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:43:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 17:43:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 17:43:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-25 17:43:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-25 17:43:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-25 17:43:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-25 17:43:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:43:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:43:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-25 17:43:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-25 17:43:23,626 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:43:23,633 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:43:25,288 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 17:43:32,614 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:43:32,649 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:43:32,649 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 17:43:32,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:43:32 BoogieIcfgContainer [2022-11-25 17:43:32,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:43:32,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:43:32,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:43:32,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:43:32,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:43:18" (1/3) ... [2022-11-25 17:43:32,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd07093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:43:32, skipping insertion in model container [2022-11-25 17:43:32,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:43:21" (2/3) ... [2022-11-25 17:43:32,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd07093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:43:32, skipping insertion in model container [2022-11-25 17:43:32,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:43:32" (3/3) ... [2022-11-25 17:43:32,672 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2022-11-25 17:43:32,699 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:43:32,699 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:43:32,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:43:32,883 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;@3c4a2d01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:43:32,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:43:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 2010 states, 1354 states have (on average 1.344165435745938) internal successors, (1820), 1425 states have internal predecessors, (1820), 569 states have call successors, (569), 90 states have call predecessors, (569), 89 states have return successors, (563), 552 states have call predecessors, (563), 563 states have call successors, (563) [2022-11-25 17:43:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-25 17:43:32,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:43:32,940 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:43:32,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:43:32,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:43:32,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1522665938, now seen corresponding path program 1 times [2022-11-25 17:43:32,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:43:32,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744844814] [2022-11-25 17:43:32,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:43:32,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:43:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:33,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:43:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:43:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:43:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:43:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:43:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:43:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:43:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:43:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 17:43:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:43:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 17:43:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:43:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:43:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 17:43:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-11-25 17:43:34,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:43:34,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744844814] [2022-11-25 17:43:34,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744844814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:43:34,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:43:34,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:43:34,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263952558] [2022-11-25 17:43:34,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:43:34,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:43:34,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:43:34,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:43:34,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:43:34,497 INFO L87 Difference]: Start difference. First operand has 2010 states, 1354 states have (on average 1.344165435745938) internal successors, (1820), 1425 states have internal predecessors, (1820), 569 states have call successors, (569), 90 states have call predecessors, (569), 89 states have return successors, (563), 552 states have call predecessors, (563), 563 states have call successors, (563) Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-25 17:43:38,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:43:40,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:43:51,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:43:52,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:43:52,305 INFO L93 Difference]: Finished difference Result 6140 states and 9383 transitions. [2022-11-25 17:43:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:43:52,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 149 [2022-11-25 17:43:52,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:43:52,391 INFO L225 Difference]: With dead ends: 6140 [2022-11-25 17:43:52,391 INFO L226 Difference]: Without dead ends: 4092 [2022-11-25 17:43:52,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:43:52,432 INFO L413 NwaCegarLoop]: 2745 mSDtfsCounter, 5297 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 3814 mSolverCounterSat, 4048 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5663 SdHoareTripleChecker+Valid, 5958 SdHoareTripleChecker+Invalid, 7862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4048 IncrementalHoareTripleChecker+Valid, 3814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:43:52,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5663 Valid, 5958 Invalid, 7862 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4048 Valid, 3814 Invalid, 0 Unknown, 0 Unchecked, 16.7s Time] [2022-11-25 17:43:52,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4092 states. [2022-11-25 17:43:52,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4092 to 3448. [2022-11-25 17:43:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3448 states, 2324 states have (on average 1.3420826161790018) internal successors, (3119), 2434 states have internal predecessors, (3119), 954 states have call successors, (954), 170 states have call predecessors, (954), 169 states have return successors, (953), 931 states have call predecessors, (953), 953 states have call successors, (953) [2022-11-25 17:43:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 3448 states and 5026 transitions. [2022-11-25 17:43:52,875 INFO L78 Accepts]: Start accepts. Automaton has 3448 states and 5026 transitions. Word has length 149 [2022-11-25 17:43:52,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:43:52,876 INFO L495 AbstractCegarLoop]: Abstraction has 3448 states and 5026 transitions. [2022-11-25 17:43:52,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-25 17:43:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3448 states and 5026 transitions. [2022-11-25 17:43:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-25 17:43:52,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:43:52,883 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:43:52,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:43:52,883 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:43:52,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:43:52,884 INFO L85 PathProgramCache]: Analyzing trace with hash 921060964, now seen corresponding path program 1 times [2022-11-25 17:43:52,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:43:52,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075252598] [2022-11-25 17:43:52,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:43:52,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:43:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:43:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:43:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:43:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:43:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:43:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:43:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:43:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:43:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 17:43:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:43:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 17:43:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:43:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:43:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 17:43:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:43:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-25 17:43:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:43:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-11-25 17:43:53,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:43:53,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075252598] [2022-11-25 17:43:53,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075252598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:43:53,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:43:53,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:43:53,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575417671] [2022-11-25 17:43:53,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:43:53,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:43:53,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:43:53,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:43:53,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:43:53,416 INFO L87 Difference]: Start difference. First operand 3448 states and 5026 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 17:44:04,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:44:06,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:44:09,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:44:17,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:44:17,704 INFO L93 Difference]: Finished difference Result 10492 states and 15587 transitions. [2022-11-25 17:44:17,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:44:17,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 156 [2022-11-25 17:44:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:44:17,769 INFO L225 Difference]: With dead ends: 10492 [2022-11-25 17:44:17,769 INFO L226 Difference]: Without dead ends: 7084 [2022-11-25 17:44:17,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:44:17,798 INFO L413 NwaCegarLoop]: 2609 mSDtfsCounter, 4250 mSDsluCounter, 4742 mSDsCounter, 0 mSdLazyCounter, 6179 mSolverCounterSat, 3019 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4681 SdHoareTripleChecker+Valid, 7351 SdHoareTripleChecker+Invalid, 9199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3019 IncrementalHoareTripleChecker+Valid, 6179 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:44:17,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4681 Valid, 7351 Invalid, 9199 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3019 Valid, 6179 Invalid, 1 Unknown, 0 Unchecked, 23.4s Time] [2022-11-25 17:44:17,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7084 states. [2022-11-25 17:44:18,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7084 to 6027. [2022-11-25 17:44:18,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6027 states, 4048 states have (on average 1.3317687747035574) internal successors, (5391), 4244 states have internal predecessors, (5391), 1673 states have call successors, (1673), 302 states have call predecessors, (1673), 305 states have return successors, (1694), 1626 states have call predecessors, (1694), 1672 states have call successors, (1694) [2022-11-25 17:44:18,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6027 states to 6027 states and 8758 transitions. [2022-11-25 17:44:18,247 INFO L78 Accepts]: Start accepts. Automaton has 6027 states and 8758 transitions. Word has length 156 [2022-11-25 17:44:18,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:44:18,248 INFO L495 AbstractCegarLoop]: Abstraction has 6027 states and 8758 transitions. [2022-11-25 17:44:18,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 17:44:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 6027 states and 8758 transitions. [2022-11-25 17:44:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-25 17:44:18,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:44:18,258 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:44:18,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:44:18,259 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:44:18,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:44:18,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1300266426, now seen corresponding path program 1 times [2022-11-25 17:44:18,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:44:18,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426240674] [2022-11-25 17:44:18,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:44:18,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:44:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:44:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:44:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:44:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:44:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:44:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:44:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:44:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:44:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 17:44:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:44:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 17:44:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:44:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:44:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 17:44:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-25 17:44:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-25 17:44:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-25 17:44:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-11-25 17:44:19,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:44:19,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426240674] [2022-11-25 17:44:19,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426240674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:44:19,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:44:19,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:44:19,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524172940] [2022-11-25 17:44:19,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:44:19,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:44:19,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:44:19,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:44:19,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:44:19,571 INFO L87 Difference]: Start difference. First operand 6027 states and 8758 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 17:44:27,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:44:28,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:44:30,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:44:45,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:44:51,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:44:51,795 INFO L93 Difference]: Finished difference Result 23111 states and 35468 transitions. [2022-11-25 17:44:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:44:51,796 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 172 [2022-11-25 17:44:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:44:51,929 INFO L225 Difference]: With dead ends: 23111 [2022-11-25 17:44:51,929 INFO L226 Difference]: Without dead ends: 17124 [2022-11-25 17:44:51,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:44:51,973 INFO L413 NwaCegarLoop]: 2522 mSDtfsCounter, 9039 mSDsluCounter, 7461 mSDsCounter, 0 mSdLazyCounter, 11006 mSolverCounterSat, 8630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9645 SdHoareTripleChecker+Valid, 9983 SdHoareTripleChecker+Invalid, 19636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8630 IncrementalHoareTripleChecker+Valid, 11006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:44:51,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9645 Valid, 9983 Invalid, 19636 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8630 Valid, 11006 Invalid, 0 Unknown, 0 Unchecked, 30.3s Time] [2022-11-25 17:44:51,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17124 states. [2022-11-25 17:44:53,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17124 to 12007. [2022-11-25 17:44:53,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12007 states, 8063 states have (on average 1.3316383480094258) internal successors, (10737), 8471 states have internal predecessors, (10737), 3333 states have call successors, (3333), 603 states have call predecessors, (3333), 610 states have return successors, (3432), 3224 states have call predecessors, (3432), 3332 states have call successors, (3432) [2022-11-25 17:44:53,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12007 states to 12007 states and 17502 transitions. [2022-11-25 17:44:53,113 INFO L78 Accepts]: Start accepts. Automaton has 12007 states and 17502 transitions. Word has length 172 [2022-11-25 17:44:53,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:44:53,115 INFO L495 AbstractCegarLoop]: Abstraction has 12007 states and 17502 transitions. [2022-11-25 17:44:53,116 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 17:44:53,116 INFO L276 IsEmpty]: Start isEmpty. Operand 12007 states and 17502 transitions. [2022-11-25 17:44:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-25 17:44:53,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:44:53,121 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:44:53,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:44:53,121 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:44:53,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:44:53,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1440392085, now seen corresponding path program 1 times [2022-11-25 17:44:53,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:44:53,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101422778] [2022-11-25 17:44:53,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:44:53,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:44:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:44:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:44:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:44:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:44:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:44:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:44:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:44:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:44:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 17:44:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:44:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 17:44:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:44:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:44:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 17:44:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:44:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 17:44:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-25 17:44:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-25 17:44:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:44:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-11-25 17:44:53,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:44:53,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101422778] [2022-11-25 17:44:53,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101422778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:44:53,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:44:53,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:44:53,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200938093] [2022-11-25 17:44:53,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:44:53,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:44:53,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:44:53,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:44:53,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:44:53,777 INFO L87 Difference]: Start difference. First operand 12007 states and 17502 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 17:44:59,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:45:11,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:45:13,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:45:34,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:45:36,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:45:36,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:45:36,790 INFO L93 Difference]: Finished difference Result 46167 states and 71086 transitions. [2022-11-25 17:45:36,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:45:36,790 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 173 [2022-11-25 17:45:36,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:45:37,023 INFO L225 Difference]: With dead ends: 46167 [2022-11-25 17:45:37,023 INFO L226 Difference]: Without dead ends: 34200 [2022-11-25 17:45:37,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:45:37,113 INFO L413 NwaCegarLoop]: 2927 mSDtfsCounter, 7026 mSDsluCounter, 10614 mSDsCounter, 0 mSdLazyCounter, 15539 mSolverCounterSat, 6279 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7633 SdHoareTripleChecker+Valid, 13541 SdHoareTripleChecker+Invalid, 21822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6279 IncrementalHoareTripleChecker+Valid, 15539 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:45:37,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7633 Valid, 13541 Invalid, 21822 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6279 Valid, 15539 Invalid, 4 Unknown, 0 Unchecked, 40.4s Time] [2022-11-25 17:45:37,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34200 states. [2022-11-25 17:45:39,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34200 to 23983. [2022-11-25 17:45:39,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23983 states, 16113 states have (on average 1.3310991125178426) internal successors, (21448), 16925 states have internal predecessors, (21448), 6649 states have call successors, (6649), 1205 states have call predecessors, (6649), 1220 states have return successors, (6952), 6436 states have call predecessors, (6952), 6648 states have call successors, (6952) [2022-11-25 17:45:39,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23983 states to 23983 states and 35049 transitions. [2022-11-25 17:45:39,583 INFO L78 Accepts]: Start accepts. Automaton has 23983 states and 35049 transitions. Word has length 173 [2022-11-25 17:45:39,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:45:39,584 INFO L495 AbstractCegarLoop]: Abstraction has 23983 states and 35049 transitions. [2022-11-25 17:45:39,584 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 17:45:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 23983 states and 35049 transitions. [2022-11-25 17:45:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-25 17:45:39,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:45:39,589 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:45:39,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:45:39,590 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:45:39,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:45:39,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1958714135, now seen corresponding path program 1 times [2022-11-25 17:45:39,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:45:39,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502493179] [2022-11-25 17:45:39,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:45:39,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:45:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:45:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:45:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:45:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:45:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:45:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:45:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:45:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:45:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:45:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:45:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:45:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:45:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 17:45:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:45:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:45:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 17:45:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:45:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:45:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:45:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:45:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:45:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 17:45:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:45:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-25 17:45:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-25 17:45:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 17:45:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:40,461 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-11-25 17:45:40,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:45:40,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502493179] [2022-11-25 17:45:40,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502493179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:45:40,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:45:40,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:45:40,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359492426] [2022-11-25 17:45:40,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:45:40,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:45:40,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:45:40,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:45:40,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:45:40,464 INFO L87 Difference]: Start difference. First operand 23983 states and 35049 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 17:45:46,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:45:48,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:45:58,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:46:00,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:46:09,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:46:16,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:16,811 INFO L93 Difference]: Finished difference Result 92321 states and 142575 transitions. [2022-11-25 17:46:16,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:46:16,811 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 174 [2022-11-25 17:46:16,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:17,282 INFO L225 Difference]: With dead ends: 92321 [2022-11-25 17:46:17,282 INFO L226 Difference]: Without dead ends: 68378 [2022-11-25 17:46:17,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:46:17,477 INFO L413 NwaCegarLoop]: 2528 mSDtfsCounter, 8184 mSDsluCounter, 8158 mSDsCounter, 0 mSdLazyCounter, 12792 mSolverCounterSat, 6979 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8786 SdHoareTripleChecker+Valid, 10686 SdHoareTripleChecker+Invalid, 19772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6979 IncrementalHoareTripleChecker+Valid, 12792 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:17,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8786 Valid, 10686 Invalid, 19772 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6979 Valid, 12792 Invalid, 1 Unknown, 0 Unchecked, 31.8s Time] [2022-11-25 17:46:17,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68378 states. [2022-11-25 17:46:21,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68378 to 47953. [2022-11-25 17:46:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47953 states, 32231 states have (on average 1.3305203065371847) internal successors, (42884), 33847 states have internal predecessors, (42884), 13277 states have call successors, (13277), 2413 states have call predecessors, (13277), 2444 states have return successors, (14076), 12860 states have call predecessors, (14076), 13276 states have call successors, (14076) [2022-11-25 17:46:22,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47953 states to 47953 states and 70237 transitions. [2022-11-25 17:46:22,246 INFO L78 Accepts]: Start accepts. Automaton has 47953 states and 70237 transitions. Word has length 174 [2022-11-25 17:46:22,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:22,247 INFO L495 AbstractCegarLoop]: Abstraction has 47953 states and 70237 transitions. [2022-11-25 17:46:22,247 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, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 17:46:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 47953 states and 70237 transitions. [2022-11-25 17:46:22,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-25 17:46:22,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:22,251 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:46:22,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:46:22,252 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:22,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:22,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1877968600, now seen corresponding path program 1 times [2022-11-25 17:46:22,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:22,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342036628] [2022-11-25 17:46:22,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:22,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:22,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:46:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:22,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:46:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:22,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:46:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:46:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:22,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:46:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:22,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:46:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:46:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:46:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:22,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:46:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:22,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:46:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:46:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:46:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 17:46:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:46:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:46:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 17:46:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:46:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:46:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:46:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:46:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:46:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 17:46:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:46:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-25 17:46:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 17:46:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-25 17:46:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-11-25 17:46:23,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:23,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342036628] [2022-11-25 17:46:23,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342036628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:23,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:46:23,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:46:23,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515282612] [2022-11-25 17:46:23,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:23,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:46:23,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:23,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:46:23,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:46:23,247 INFO L87 Difference]: Start difference. First operand 47953 states and 70237 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 17:46:39,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:46:41,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:47:01,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:01,967 INFO L93 Difference]: Finished difference Result 183734 states and 284498 transitions. [2022-11-25 17:47:01,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:47:01,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 175 [2022-11-25 17:47:01,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:03,219 INFO L225 Difference]: With dead ends: 183734 [2022-11-25 17:47:03,219 INFO L226 Difference]: Without dead ends: 135821 [2022-11-25 17:47:03,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:47:03,646 INFO L413 NwaCegarLoop]: 2533 mSDtfsCounter, 8185 mSDsluCounter, 8175 mSDsCounter, 0 mSdLazyCounter, 12828 mSolverCounterSat, 6972 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8784 SdHoareTripleChecker+Valid, 10708 SdHoareTripleChecker+Invalid, 19802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6972 IncrementalHoareTripleChecker+Valid, 12828 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:03,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8784 Valid, 10708 Invalid, 19802 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6972 Valid, 12828 Invalid, 2 Unknown, 0 Unchecked, 29.6s Time] [2022-11-25 17:47:03,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135821 states. [2022-11-25 17:47:10,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135821 to 95229. [2022-11-25 17:47:10,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95229 states, 64034 states have (on average 1.329731080363557) internal successors, (85148), 67222 states have internal predecessors, (85148), 26317 states have call successors, (26317), 4813 states have call predecessors, (26317), 4877 states have return successors, (28264), 25508 states have call predecessors, (28264), 26316 states have call successors, (28264) [2022-11-25 17:47:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95229 states to 95229 states and 139729 transitions. [2022-11-25 17:47:11,721 INFO L78 Accepts]: Start accepts. Automaton has 95229 states and 139729 transitions. Word has length 175 [2022-11-25 17:47:11,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:11,722 INFO L495 AbstractCegarLoop]: Abstraction has 95229 states and 139729 transitions. [2022-11-25 17:47:11,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-25 17:47:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 95229 states and 139729 transitions. [2022-11-25 17:47:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-25 17:47:11,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:11,727 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-25 17:47:11,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:47:11,727 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:11,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:11,728 INFO L85 PathProgramCache]: Analyzing trace with hash -544481374, now seen corresponding path program 1 times [2022-11-25 17:47:11,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:11,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471529643] [2022-11-25 17:47:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:11,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:47:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:47:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:47:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:47:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:47:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:47:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:47:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:47:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:47:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 17:47:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:47:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:47:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-25 17:47:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:47:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:47:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 17:47:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:47:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:47:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:47:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:47:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:47:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 17:47:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:47:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-25 17:47:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:47:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:47:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:12,192 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-25 17:47:12,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:12,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471529643] [2022-11-25 17:47:12,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471529643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:47:12,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:47:12,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:47:12,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615415493] [2022-11-25 17:47:12,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:47:12,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:47:12,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:12,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:47:12,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:47:12,195 INFO L87 Difference]: Start difference. First operand 95229 states and 139729 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-25 17:47:18,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:47:24,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:47:33,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:33,302 INFO L93 Difference]: Finished difference Result 206884 states and 309746 transitions. [2022-11-25 17:47:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:47:33,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 181 [2022-11-25 17:47:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:33,972 INFO L225 Difference]: With dead ends: 206884 [2022-11-25 17:47:33,972 INFO L226 Difference]: Without dead ends: 111663 [2022-11-25 17:47:34,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:47:34,442 INFO L413 NwaCegarLoop]: 2231 mSDtfsCounter, 1222 mSDsluCounter, 3939 mSDsCounter, 0 mSdLazyCounter, 4044 mSolverCounterSat, 1456 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 6170 SdHoareTripleChecker+Invalid, 5501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1456 IncrementalHoareTripleChecker+Valid, 4044 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:34,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 6170 Invalid, 5501 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1456 Valid, 4044 Invalid, 1 Unknown, 0 Unchecked, 14.0s Time] [2022-11-25 17:47:34,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111663 states. [2022-11-25 17:47:40,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111663 to 95229. [2022-11-25 17:47:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95229 states, 64034 states have (on average 1.3292313458475185) internal successors, (85116), 67222 states have internal predecessors, (85116), 26317 states have call successors, (26317), 4813 states have call predecessors, (26317), 4877 states have return successors, (28264), 25508 states have call predecessors, (28264), 26316 states have call successors, (28264)