./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.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_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/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_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/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_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/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 0271a94e9583537c53cc956cc665cf103175977e84d74a6d4144b032ac11f321 --- 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 16:46:10,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:46:10,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:46:10,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:46:10,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:46:10,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:46:10,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:46:10,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:46:10,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:46:10,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:46:10,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:46:10,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:46:10,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:46:10,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:46:10,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:46:10,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:46:10,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:46:10,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:46:10,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:46:10,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:46:10,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:46:10,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:46:10,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:46:10,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:46:10,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:46:10,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:46:10,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:46:10,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:46:10,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:46:10,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:46:10,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:46:10,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:46:10,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:46:10,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:46:10,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:46:10,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:46:10,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:46:10,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:46:10,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:46:10,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:46:10,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:46:10,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 16:46:10,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:46:10,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:46:10,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:46:10,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:46:10,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:46:10,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:46:10,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:46:10,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:46:10,238 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:46:10,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:46:10,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:46:10,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:46:10,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:46:10,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:46:10,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:46:10,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:46:10,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:46:10,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:46:10,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:46:10,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:46:10,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:46:10,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:46:10,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:46:10,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:46:10,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:46:10,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:46:10,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:46:10,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:46:10,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:46:10,244 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:46:10,245 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:46:10,245 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_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0271a94e9583537c53cc956cc665cf103175977e84d74a6d4144b032ac11f321 [2022-11-25 16:46:10,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:46:10,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:46:10,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:46:10,630 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:46:10,631 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:46:10,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-11-25 16:46:13,626 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:46:14,298 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:46:14,301 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-11-25 16:46:14,363 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/bin/uautomizer-ZsLfNo2U6R/data/217992ed0/214013310eb542a48849fcd3bd76849f/FLAG119074ada [2022-11-25 16:46:14,383 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/bin/uautomizer-ZsLfNo2U6R/data/217992ed0/214013310eb542a48849fcd3bd76849f [2022-11-25 16:46:14,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:46:14,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:46:14,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:46:14,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:46:14,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:46:14,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:46:14" (1/1) ... [2022-11-25 16:46:14,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1632a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:14, skipping insertion in model container [2022-11-25 16:46:14,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:46:14" (1/1) ... [2022-11-25 16:46:14,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:46:14,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:46:15,194 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6098] [2022-11-25 16:46:15,194 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6099-6100] [2022-11-25 16:46:15,435 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 16:46:15,551 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 16:46:15,583 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:15,664 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_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i[187542,187555] [2022-11-25 16:46:15,750 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:46:15,750 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:46:15,751 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:46:15,752 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 16:46:15,804 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 16:46:15,891 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:46:15,981 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-25 16:46:16,037 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 16:46:16,050 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 16:46:16,051 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,091 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:46:16,093 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:46:16,095 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:46:16,097 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:46:16,097 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 16:46:16,261 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:46:16,271 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:16,288 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,293 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,295 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:46:16,297 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,298 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:16,301 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,302 WARN L623 FunctionHandler]: Unknown extern function skb_realloc_headroom [2022-11-25 16:46:16,303 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:46:16,303 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:16,303 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:46:16,305 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:16,306 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:46:16,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,321 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:16,323 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,324 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:16,326 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,327 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:46:16,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,368 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,371 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,374 WARN L623 FunctionHandler]: Unknown extern function dev_set_mtu [2022-11-25 16:46:16,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,378 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,379 WARN L623 FunctionHandler]: Unknown extern function ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 16:46:16,381 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,393 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:16,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,395 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:16,395 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:16,405 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,406 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:16,407 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:46:16,411 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,414 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-25 16:46:16,446 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:16,458 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,459 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:16,487 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,488 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:16,494 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,497 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:16,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,509 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:16,512 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:16,513 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:16,513 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:46:16,514 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 16:46:16,520 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 16:46:16,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,563 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 16:46:16,570 WARN L623 FunctionHandler]: Unknown extern function vcc_insert_socket [2022-11-25 16:46:16,572 WARN L623 FunctionHandler]: Unknown extern function __module_get [2022-11-25 16:46:16,583 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:16,584 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:16,585 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:16,586 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:16,587 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:16,588 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:16,588 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:16,589 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-11-25 16:46:16,661 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 16:46:16,662 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:16,668 WARN L623 FunctionHandler]: Unknown extern function seq_open_private [2022-11-25 16:46:16,675 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 16:46:16,695 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,695 WARN L623 FunctionHandler]: Unknown extern function register_atm_ioctl [2022-11-25 16:46:16,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,702 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 16:46:16,703 WARN L623 FunctionHandler]: Unknown extern function deregister_atm_ioctl [2022-11-25 16:46:16,708 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 16:46:16,718 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:46:16,719 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 16:46:16,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,732 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:46:16,733 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 16:46:16,733 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 16:46:16,734 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 16:46:16,745 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:46:16,745 WARN L623 FunctionHandler]: Unknown extern function vcc_release_async [2022-11-25 16:46:16,746 WARN L623 FunctionHandler]: Unknown extern function vcc_release_async [2022-11-25 16:46:16,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,756 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:16,757 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:46:16,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,760 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-11-25 16:46:16,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,777 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:16,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,788 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,800 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,802 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,808 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,809 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:46:16,817 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,821 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,823 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,826 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 16:46:16,829 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,830 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:16,837 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,839 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:16,848 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,854 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:16,866 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,868 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,871 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,876 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 16:46:16,878 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,884 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:16,885 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,891 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,894 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,895 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 16:46:16,896 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,900 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,902 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:46:16,903 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,906 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:16,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,910 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:46:16,912 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:16,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 16:46:16,967 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 16:46:16,969 WARN L623 FunctionHandler]: Unknown extern function ldv_open_6 [2022-11-25 16:46:16,971 WARN L623 FunctionHandler]: Unknown extern function seq_release_private [2022-11-25 16:46:16,974 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 16:46:16,975 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 16:46:16,981 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_5 [2022-11-25 16:46:16,982 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_5 [2022-11-25 16:46:16,982 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 16:46:16,984 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:46:16,985 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 16:46:16,986 WARN L623 FunctionHandler]: Unknown extern function skb_copy [2022-11-25 16:46:16,986 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 16:46:16,992 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 16:46:16,992 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 16:46:16,993 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:46:16,994 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:46:16,994 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 16:46:16,995 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-11-25 16:46:16,995 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 16:46:16,996 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:46:16,996 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 16:46:16,996 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:46:16,997 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:16,997 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 16:46:16,997 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 16:46:16,998 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 16:46:16,998 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:16,999 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:16,999 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,000 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,000 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,001 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,001 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,002 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,002 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,003 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,014 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 16:46:17,025 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,025 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,027 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,027 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,029 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,040 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,041 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,047 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,050 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,056 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,057 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,057 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,057 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,058 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,058 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,059 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:46:17,163 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:46:17,267 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6098] [2022-11-25 16:46:17,267 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6099-6100] [2022-11-25 16:46:17,274 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 16:46:17,275 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 16:46:17,276 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,278 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_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i[187542,187555] [2022-11-25 16:46:17,280 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 16:46:17,280 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:46:17,281 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 16:46:17,281 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 16:46:17,282 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 16:46:17,285 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:46:17,287 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-25 16:46:17,289 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 16:46:17,290 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 16:46:17,291 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,293 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:46:17,294 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:46:17,295 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:46:17,296 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 16:46:17,296 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 16:46:17,306 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:46:17,309 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:17,324 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,330 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,331 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:46:17,335 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,335 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:17,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,338 WARN L623 FunctionHandler]: Unknown extern function skb_realloc_headroom [2022-11-25 16:46:17,338 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 16:46:17,338 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:17,339 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 16:46:17,340 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:17,340 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 16:46:17,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,344 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:17,345 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,346 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:17,347 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,349 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:46:17,353 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,359 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,360 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,364 WARN L623 FunctionHandler]: Unknown extern function dev_set_mtu [2022-11-25 16:46:17,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,368 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,369 WARN L623 FunctionHandler]: Unknown extern function ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 16:46:17,370 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,371 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:17,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,378 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:17,379 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:17,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,381 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:17,381 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:46:17,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,382 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-25 16:46:17,387 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:17,395 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,396 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:17,405 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,406 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:17,407 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,407 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 16:46:17,413 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,414 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:17,415 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:17,415 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 16:46:17,416 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 16:46:17,416 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 16:46:17,417 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 16:46:17,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,487 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 16:46:17,494 WARN L623 FunctionHandler]: Unknown extern function vcc_insert_socket [2022-11-25 16:46:17,495 WARN L623 FunctionHandler]: Unknown extern function __module_get [2022-11-25 16:46:17,496 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:17,497 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:17,497 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:17,498 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:17,498 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:17,503 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:17,503 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:17,504 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-11-25 16:46:17,517 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 16:46:17,518 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 16:46:17,519 WARN L623 FunctionHandler]: Unknown extern function seq_open_private [2022-11-25 16:46:17,520 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 16:46:17,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,522 WARN L623 FunctionHandler]: Unknown extern function register_atm_ioctl [2022-11-25 16:46:17,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,522 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 16:46:17,522 WARN L623 FunctionHandler]: Unknown extern function deregister_atm_ioctl [2022-11-25 16:46:17,524 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 16:46:17,526 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:46:17,526 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 16:46:17,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,529 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 16:46:17,529 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 16:46:17,530 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 16:46:17,530 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 16:46:17,533 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:46:17,535 WARN L623 FunctionHandler]: Unknown extern function vcc_release_async [2022-11-25 16:46:17,537 WARN L623 FunctionHandler]: Unknown extern function vcc_release_async [2022-11-25 16:46:17,539 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,541 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:17,542 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 16:46:17,543 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,544 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-11-25 16:46:17,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,551 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 16:46:17,553 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,555 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,557 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,559 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,562 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,563 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:46:17,566 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,568 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,569 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 16:46:17,571 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,572 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:17,575 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,576 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:17,578 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,580 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:17,582 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,585 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,586 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,589 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 16:46:17,590 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,592 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:17,593 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,594 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,596 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,598 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 16:46:17,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,601 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,602 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 16:46:17,603 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,605 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 16:46:17,606 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,613 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 16:46:17,619 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,626 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 16:46:17,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 16:46:17,633 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 16:46:17,634 WARN L623 FunctionHandler]: Unknown extern function ldv_open_6 [2022-11-25 16:46:17,634 WARN L623 FunctionHandler]: Unknown extern function seq_release_private [2022-11-25 16:46:17,635 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 16:46:17,635 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 16:46:17,640 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_5 [2022-11-25 16:46:17,640 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_5 [2022-11-25 16:46:17,641 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 16:46:17,642 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:46:17,643 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 16:46:17,643 WARN L623 FunctionHandler]: Unknown extern function skb_copy [2022-11-25 16:46:17,644 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 16:46:17,644 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 16:46:17,644 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 16:46:17,645 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:46:17,645 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 16:46:17,646 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 16:46:17,646 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-11-25 16:46:17,646 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 16:46:17,647 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:46:17,647 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 16:46:17,647 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 16:46:17,648 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,648 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 16:46:17,648 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 16:46:17,649 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 16:46:17,649 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,650 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,650 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,650 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,651 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,651 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,651 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,652 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,652 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,653 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 16:46:17,653 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 16:46:17,654 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,655 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,656 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,685 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,686 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,687 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,688 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,688 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,689 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,691 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,691 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,692 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,692 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,692 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,692 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,693 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 16:46:17,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:46:17,826 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:46:17,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17 WrapperNode [2022-11-25 16:46:17,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:46:17,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:46:17,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:46:17,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:46:17,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (1/1) ... [2022-11-25 16:46:17,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (1/1) ... [2022-11-25 16:46:18,108 INFO L138 Inliner]: procedures = 286, calls = 2906, calls flagged for inlining = 145, calls inlined = 128, statements flattened = 5532 [2022-11-25 16:46:18,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:46:18,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:46:18,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:46:18,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:46:18,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (1/1) ... [2022-11-25 16:46:18,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (1/1) ... [2022-11-25 16:46:18,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (1/1) ... [2022-11-25 16:46:18,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (1/1) ... [2022-11-25 16:46:18,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (1/1) ... [2022-11-25 16:46:18,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (1/1) ... [2022-11-25 16:46:18,436 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (1/1) ... [2022-11-25 16:46:18,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (1/1) ... [2022-11-25 16:46:18,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:46:18,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:46:18,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:46:18,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:46:18,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (1/1) ... [2022-11-25 16:46:18,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:46:18,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:46:18,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:46:18,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd2f0f11-1277-4d81-bc03-9e2cc4833a76/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:46:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-25 16:46:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-25 16:46:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 16:46:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-25 16:46:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-25 16:46:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 16:46:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 16:46:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 16:46:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 16:46:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 16:46:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure send_to_lecd [2022-11-25 16:46:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure send_to_lecd [2022-11-25 16:46:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-25 16:46:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-25 16:46:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure __lec_arp_check_expire [2022-11-25 16:46:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __lec_arp_check_expire [2022-11-25 16:46:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 16:46:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 16:46:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-25 16:46:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_stop [2022-11-25 16:46:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_stop [2022-11-25 16:46:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 16:46:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 16:46:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-11-25 16:46:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-11-25 16:46:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 16:46:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 16:46:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 16:46:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 16:46:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 16:46:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 16:46:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-25 16:46:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-25 16:46:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_find [2022-11-25 16:46:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_find [2022-11-25 16:46:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 16:46:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 16:46:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2022-11-25 16:46:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2022-11-25 16:46:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-25 16:46:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-25 16:46:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure atm_may_send [2022-11-25 16:46:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_may_send [2022-11-25 16:46:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_open [2022-11-25 16:46:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_open [2022-11-25 16:46:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 16:46:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 16:46:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-25 16:46:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-25 16:46:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:46:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 16:46:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure lec_tx_timeout [2022-11-25 16:46:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_tx_timeout [2022-11-25 16:46:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_empty [2022-11-25 16:46:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_empty [2022-11-25 16:46:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure lec_flush_complete [2022-11-25 16:46:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_flush_complete [2022-11-25 16:46:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 16:46:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-25 16:46:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-25 16:46:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure lec_send [2022-11-25 16:46:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_send [2022-11-25 16:46:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-25 16:46:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 16:46:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 16:46:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:46:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-11-25 16:46:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-11-25 16:46:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 16:46:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-25 16:46:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-25 16:46:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 16:46:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 16:46:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 16:46:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 16:46:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure lec_tbl_walk [2022-11-25 16:46:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_tbl_walk [2022-11-25 16:46:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 16:46:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 16:46:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 16:46:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 16:46:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 16:46:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 16:46:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 16:46:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure atm_force_charge [2022-11-25 16:46:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_force_charge [2022-11-25 16:46:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 16:46:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 16:46:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_check_expire [2022-11-25 16:46:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_check_expire [2022-11-25 16:46:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure atm_return [2022-11-25 16:46:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_return [2022-11-25 16:46:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 16:46:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 16:46:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 16:46:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-25 16:46:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-25 16:46:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure lec_get_idx [2022-11-25 16:46:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_get_idx [2022-11-25 16:46:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:46:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_add [2022-11-25 16:46:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_add [2022-11-25 16:46:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 16:46:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 16:46:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head [2022-11-25 16:46:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head [2022-11-25 16:46:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-25 16:46:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-25 16:46:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 16:46:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 16:46:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure lec_change_mtu [2022-11-25 16:46:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_change_mtu [2022-11-25 16:46:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-11-25 16:46:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-11-25 16:46:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 16:46:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 16:46:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 16:46:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 16:46:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-25 16:46:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-25 16:46:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 16:46:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 16:46:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_show [2022-11-25 16:46:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_show [2022-11-25 16:46:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure vcc_release_async [2022-11-25 16:46:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vcc_release_async [2022-11-25 16:46:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:46:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del [2022-11-25 16:46:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del [2022-11-25 16:46:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_private [2022-11-25 16:46:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_private [2022-11-25 16:46:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 16:46:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 16:46:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure lec_set_multicast_list [2022-11-25 16:46:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_set_multicast_list [2022-11-25 16:46:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_put [2022-11-25 16:46:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_put [2022-11-25 16:46:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_hold [2022-11-25 16:46:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_hold [2022-11-25 16:46:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 16:46:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-25 16:46:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-25 16:46:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:46:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 16:46:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 16:46:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-25 16:46:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-25 16:46:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 16:46:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 16:46:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure lec_atm_send [2022-11-25 16:46:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_atm_send [2022-11-25 16:46:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-25 16:46:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-25 16:46:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-11-25 16:46:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-11-25 16:46:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure lec_atm_close [2022-11-25 16:46:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_atm_close [2022-11-25 16:46:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 16:46:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 16:46:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-25 16:46:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-25 16:46:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure make_entry [2022-11-25 16:46:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure make_entry [2022-11-25 16:46:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 16:46:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 16:46:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_remove [2022-11-25 16:46:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_remove [2022-11-25 16:46:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:46:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_update [2022-11-25 16:46:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_update [2022-11-25 16:46:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_clear_vccs [2022-11-25 16:46:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_clear_vccs [2022-11-25 16:46:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-11-25 16:46:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-11-25 16:46:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:46:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:46:19,506 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:46:19,510 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:46:19,722 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 16:46:27,674 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 16:46:29,630 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 != (lec_addr_delete_~____ptr___0~4#1.base + lec_addr_delete_~____ptr___0~4#1.offset) % 18446744073709551616);lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset := 0, 0;lec_addr_delete_~entry~10#1.base, lec_addr_delete_~entry~10#1.offset := lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset; [2022-11-25 16:46:29,630 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 != (lec_addr_delete_~____ptr___0~4#1.base + lec_addr_delete_~____ptr___0~4#1.offset) % 18446744073709551616;lec_addr_delete_~__mptr___0~5#1.base, lec_addr_delete_~__mptr___0~5#1.offset := lec_addr_delete_~____ptr___0~4#1.base, lec_addr_delete_~____ptr___0~4#1.offset;lec_addr_delete_~tmp___2~14#1.base, lec_addr_delete_~tmp___2~14#1.offset := lec_addr_delete_~__mptr___0~5#1.base, lec_addr_delete_~__mptr___0~5#1.offset; [2022-11-25 16:46:36,386 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:46:36,404 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:46:36,404 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:46:36,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:46:36 BoogieIcfgContainer [2022-11-25 16:46:36,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:46:36,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:46:36,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:46:36,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:46:36,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:46:14" (1/3) ... [2022-11-25 16:46:36,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b794da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:46:36, skipping insertion in model container [2022-11-25 16:46:36,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:46:17" (2/3) ... [2022-11-25 16:46:36,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b794da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:46:36, skipping insertion in model container [2022-11-25 16:46:36,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:46:36" (3/3) ... [2022-11-25 16:46:36,417 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--atm--lec.ko-entry_point.cil.out.i [2022-11-25 16:46:36,437 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:46:36,437 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:46:36,520 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:46:36,526 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;@58a6b7e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:46:36,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:46:36,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 1663 states, 1223 states have (on average 1.3892068683565004) internal successors, (1699), 1263 states have internal predecessors, (1699), 361 states have call successors, (361), 78 states have call predecessors, (361), 77 states have return successors, (352), 342 states have call predecessors, (352), 352 states have call successors, (352) [2022-11-25 16:46:36,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-25 16:46:36,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:46:36,557 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:46:36,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:46:36,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:46:36,563 INFO L85 PathProgramCache]: Analyzing trace with hash 404360666, now seen corresponding path program 1 times [2022-11-25 16:46:36,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:46:36,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236005278] [2022-11-25 16:46:36,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:46:36,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:46:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:46:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 16:46:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:46:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 16:46:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 16:46:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 16:46:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 16:46:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 16:46:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 16:46:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 16:46:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-25 16:46:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-25 16:46:37,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:46:37,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236005278] [2022-11-25 16:46:37,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236005278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:46:37,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:46:37,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:46:37,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209383242] [2022-11-25 16:46:37,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:46:37,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:46:37,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:46:37,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:46:37,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:46:37,822 INFO L87 Difference]: Start difference. First operand has 1663 states, 1223 states have (on average 1.3892068683565004) internal successors, (1699), 1263 states have internal predecessors, (1699), 361 states have call successors, (361), 78 states have call predecessors, (361), 77 states have return successors, (352), 342 states have call predecessors, (352), 352 states have call successors, (352) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 16:46:40,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:46:44,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:46:51,120 WARN L539 Checker$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 16:46:56,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:46:56,025 INFO L93 Difference]: Finished difference Result 4978 states and 7463 transitions. [2022-11-25 16:46:56,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:46:56,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 86 [2022-11-25 16:46:56,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:46:56,070 INFO L225 Difference]: With dead ends: 4978 [2022-11-25 16:46:56,071 INFO L226 Difference]: Without dead ends: 3265 [2022-11-25 16:46:56,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:46:56,093 INFO L413 NwaCegarLoop]: 2350 mSDtfsCounter, 2761 mSDsluCounter, 2987 mSDsCounter, 0 mSdLazyCounter, 1871 mSolverCounterSat, 757 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3018 SdHoareTripleChecker+Valid, 5337 SdHoareTripleChecker+Invalid, 2631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 757 IncrementalHoareTripleChecker+Valid, 1871 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-25 16:46:56,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3018 Valid, 5337 Invalid, 2631 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [757 Valid, 1871 Invalid, 3 Unknown, 0 Unchecked, 17.5s Time] [2022-11-25 16:46:56,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2022-11-25 16:46:56,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3154. [2022-11-25 16:46:56,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3154 states, 2334 states have (on average 1.386032562125107) internal successors, (3235), 2392 states have internal predecessors, (3235), 669 states have call successors, (669), 151 states have call predecessors, (669), 150 states have return successors, (668), 648 states have call predecessors, (668), 668 states have call successors, (668) [2022-11-25 16:46:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4572 transitions. [2022-11-25 16:46:56,339 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4572 transitions. Word has length 86 [2022-11-25 16:46:56,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:46:56,340 INFO L495 AbstractCegarLoop]: Abstraction has 3154 states and 4572 transitions. [2022-11-25 16:46:56,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 16:46:56,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4572 transitions. [2022-11-25 16:46:56,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-25 16:46:56,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:46:56,346 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:46:56,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:46:56,347 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:46:56,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:46:56,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1192602966, now seen corresponding path program 1 times [2022-11-25 16:46:56,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:46:56,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407288564] [2022-11-25 16:46:56,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:46:56,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:46:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:46:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 16:46:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:46:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 16:46:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 16:46:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 16:46:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 16:46:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 16:46:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 16:46:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 16:46:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 16:46:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:46:57,187 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-25 16:46:57,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:46:57,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407288564] [2022-11-25 16:46:57,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407288564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:46:57,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:46:57,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 16:46:57,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423645136] [2022-11-25 16:46:57,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:46:57,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:46:57,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:46:57,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:46:57,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:46:57,191 INFO L87 Difference]: Start difference. First operand 3154 states and 4572 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 16:46:59,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:47:06,032 WARN L539 Checker$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 16:47:26,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:47:26,783 INFO L93 Difference]: Finished difference Result 16030 states and 24329 transitions. [2022-11-25 16:47:26,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 16:47:26,784 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 98 [2022-11-25 16:47:26,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:47:26,878 INFO L225 Difference]: With dead ends: 16030 [2022-11-25 16:47:26,878 INFO L226 Difference]: Without dead ends: 12900 [2022-11-25 16:47:26,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:47:26,905 INFO L413 NwaCegarLoop]: 3212 mSDtfsCounter, 10385 mSDsluCounter, 5940 mSDsCounter, 0 mSdLazyCounter, 4687 mSolverCounterSat, 3016 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11073 SdHoareTripleChecker+Valid, 9152 SdHoareTripleChecker+Invalid, 7705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3016 IncrementalHoareTripleChecker+Valid, 4687 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2022-11-25 16:47:26,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11073 Valid, 9152 Invalid, 7705 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3016 Valid, 4687 Invalid, 2 Unknown, 0 Unchecked, 28.5s Time] [2022-11-25 16:47:26,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12900 states. [2022-11-25 16:47:27,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12900 to 12494. [2022-11-25 16:47:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12494 states, 9247 states have (on average 1.385638585487185) internal successors, (12813), 9481 states have internal predecessors, (12813), 2637 states have call successors, (2637), 598 states have call predecessors, (2637), 609 states have return successors, (3090), 2566 states have call predecessors, (3090), 2636 states have call successors, (3090) [2022-11-25 16:47:27,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12494 states to 12494 states and 18540 transitions. [2022-11-25 16:47:27,695 INFO L78 Accepts]: Start accepts. Automaton has 12494 states and 18540 transitions. Word has length 98 [2022-11-25 16:47:27,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:47:27,697 INFO L495 AbstractCegarLoop]: Abstraction has 12494 states and 18540 transitions. [2022-11-25 16:47:27,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 16:47:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 12494 states and 18540 transitions. [2022-11-25 16:47:27,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-25 16:47:27,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:47:27,704 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:47:27,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:47:27,704 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:47:27,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:47:27,705 INFO L85 PathProgramCache]: Analyzing trace with hash 988486694, now seen corresponding path program 1 times [2022-11-25 16:47:27,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:47:27,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749984627] [2022-11-25 16:47:27,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:47:27,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:47:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:47:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 16:47:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:47:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 16:47:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 16:47:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 16:47:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 16:47:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 16:47:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 16:47:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 16:47:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 16:47:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:47:28,448 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-25 16:47:28,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:47:28,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749984627] [2022-11-25 16:47:28,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749984627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:47:28,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:47:28,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 16:47:28,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635945799] [2022-11-25 16:47:28,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:47:28,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:47:28,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:47:28,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:47:28,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:47:28,451 INFO L87 Difference]: Start difference. First operand 12494 states and 18540 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 16:47:31,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:47:39,185 WARN L539 Checker$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 16:47:42,638 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 16:48:06,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:48:06,620 INFO L93 Difference]: Finished difference Result 63828 states and 101663 transitions. [2022-11-25 16:48:06,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 16:48:06,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 97 [2022-11-25 16:48:06,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:48:06,989 INFO L225 Difference]: With dead ends: 63828 [2022-11-25 16:48:06,989 INFO L226 Difference]: Without dead ends: 51358 [2022-11-25 16:48:07,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:48:07,140 INFO L413 NwaCegarLoop]: 3160 mSDtfsCounter, 7110 mSDsluCounter, 10375 mSDsCounter, 0 mSdLazyCounter, 6877 mSolverCounterSat, 1046 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7804 SdHoareTripleChecker+Valid, 13535 SdHoareTripleChecker+Invalid, 7926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1046 IncrementalHoareTripleChecker+Valid, 6877 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:48:07,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7804 Valid, 13535 Invalid, 7926 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1046 Valid, 6877 Invalid, 3 Unknown, 0 Unchecked, 36.1s Time] [2022-11-25 16:48:07,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51358 states. [2022-11-25 16:48:10,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51358 to 49826. [2022-11-25 16:48:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49826 states, 36885 states have (on average 1.3841127829741087) internal successors, (51053), 37805 states have internal predecessors, (51053), 10491 states have call successors, (10491), 2386 states have call predecessors, (10491), 2449 states have return successors, (15530), 10242 states have call predecessors, (15530), 10490 states have call successors, (15530) [2022-11-25 16:48:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49826 states to 49826 states and 77074 transitions. [2022-11-25 16:48:10,864 INFO L78 Accepts]: Start accepts. Automaton has 49826 states and 77074 transitions. Word has length 97 [2022-11-25 16:48:10,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:48:10,865 INFO L495 AbstractCegarLoop]: Abstraction has 49826 states and 77074 transitions. [2022-11-25 16:48:10,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 16:48:10,865 INFO L276 IsEmpty]: Start isEmpty. Operand 49826 states and 77074 transitions. [2022-11-25 16:48:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-25 16:48:10,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:48:10,868 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:48:10,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:48:10,868 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:48:10,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:48:10,869 INFO L85 PathProgramCache]: Analyzing trace with hash 624952606, now seen corresponding path program 1 times [2022-11-25 16:48:10,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:48:10,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117869274] [2022-11-25 16:48:10,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:48:10,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:48:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:48:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 16:48:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:48:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 16:48:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 16:48:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 16:48:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 16:48:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 16:48:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 16:48:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 16:48:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-25 16:48:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:48:11,682 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-25 16:48:11,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:48:11,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117869274] [2022-11-25 16:48:11,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117869274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:48:11,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:48:11,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 16:48:11,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517613880] [2022-11-25 16:48:11,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:48:11,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:48:11,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:48:11,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:48:11,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:48:11,686 INFO L87 Difference]: Start difference. First operand 49826 states and 77074 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 16:48:14,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:48:47,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:48:47,202 INFO L93 Difference]: Finished difference Result 254644 states and 447223 transitions. [2022-11-25 16:48:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 16:48:47,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 96 [2022-11-25 16:48:47,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:48:48,950 INFO L225 Difference]: With dead ends: 254644 [2022-11-25 16:48:48,950 INFO L226 Difference]: Without dead ends: 204842 [2022-11-25 16:48:49,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-25 16:48:49,371 INFO L413 NwaCegarLoop]: 3210 mSDtfsCounter, 10377 mSDsluCounter, 5945 mSDsCounter, 0 mSdLazyCounter, 4655 mSolverCounterSat, 3063 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11075 SdHoareTripleChecker+Valid, 9155 SdHoareTripleChecker+Invalid, 7719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3063 IncrementalHoareTripleChecker+Valid, 4655 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-11-25 16:48:49,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11075 Valid, 9155 Invalid, 7719 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3063 Valid, 4655 Invalid, 1 Unknown, 0 Unchecked, 26.9s Time] [2022-11-25 16:48:49,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204842 states. [2022-11-25 16:49:00,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204842 to 198750. [2022-11-25 16:49:00,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198750 states, 147245 states have (on average 1.3826819246833508) internal successors, (203593), 150721 states have internal predecessors, (203593), 41771 states have call successors, (41771), 9506 states have call predecessors, (41771), 9733 states have return successors, (89356), 40786 states have call predecessors, (89356), 41770 states have call successors, (89356) [2022-11-25 16:49:03,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198750 states to 198750 states and 334720 transitions. [2022-11-25 16:49:03,188 INFO L78 Accepts]: Start accepts. Automaton has 198750 states and 334720 transitions. Word has length 96 [2022-11-25 16:49:03,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:49:03,189 INFO L495 AbstractCegarLoop]: Abstraction has 198750 states and 334720 transitions. [2022-11-25 16:49:03,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 16:49:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 198750 states and 334720 transitions. [2022-11-25 16:49:03,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-25 16:49:03,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:49:03,193 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:49:03,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 16:49:03,194 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:49:03,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:49:03,194 INFO L85 PathProgramCache]: Analyzing trace with hash 749734238, now seen corresponding path program 1 times [2022-11-25 16:49:03,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:49:03,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793628101] [2022-11-25 16:49:03,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:49:03,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:49:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:49:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 16:49:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 16:49:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 16:49:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 16:49:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 16:49:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 16:49:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 16:49:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 16:49:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 16:49:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 16:49:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:49:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-25 16:49:04,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:49:04,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793628101] [2022-11-25 16:49:04,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793628101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:49:04,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:49:04,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 16:49:04,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820893591] [2022-11-25 16:49:04,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:49:04,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:49:04,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:49:04,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:49:04,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:49:04,382 INFO L87 Difference]: Start difference. First operand 198750 states and 334720 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 16:49:07,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:49:10,660 WARN L539 Checker$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 16:49:20,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 16:49:23,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []