./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_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/config/TaipanReach.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_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur --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 Taipan --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 23:47:39,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:47:39,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:47:39,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:47:39,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:47:39,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:47:39,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:47:39,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:47:39,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:47:39,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:47:39,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:47:39,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:47:39,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:47:39,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:47:39,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:47:39,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:47:39,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:47:39,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:47:39,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:47:39,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:47:39,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:47:39,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:47:39,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:47:39,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:47:39,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:47:39,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:47:39,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:47:39,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:47:39,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:47:39,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:47:39,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:47:39,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:47:39,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:47:39,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:47:39,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:47:39,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:47:39,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:47:39,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:47:39,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:47:39,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:47:39,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:47:39,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:47:39,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:47:39,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:47:39,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:47:39,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:47:39,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:47:39,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:47:39,403 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:47:39,403 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:47:39,404 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:47:39,404 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:47:39,404 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:47:39,405 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:47:39,405 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:47:39,405 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:47:39,405 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:47:39,406 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:47:39,406 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:47:39,406 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:47:39,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:47:39,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:47:39,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:47:39,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:47:39,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:47:39,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:47:39,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:47:39,409 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:47:39,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:47:39,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:47:39,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:47:39,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:47:39,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:47:39,411 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:47:39,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:47:39,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:47:39,411 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:47:39,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:47:39,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:47:39,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:47:39,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0271a94e9583537c53cc956cc665cf103175977e84d74a6d4144b032ac11f321 [2022-11-25 23:47:39,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:47:39,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:47:39,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:47:39,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:47:39,764 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:47:39,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/../../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 23:47:43,055 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:47:43,754 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:47:43,755 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/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 23:47:43,806 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/data/bed6a16b4/8aefd9352c3243b1a823a259280e8b9c/FLAGf00aea5a6 [2022-11-25 23:47:43,827 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/data/bed6a16b4/8aefd9352c3243b1a823a259280e8b9c [2022-11-25 23:47:43,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:47:43,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:47:43,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:47:43,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:47:43,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:47:43,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:47:43" (1/1) ... [2022-11-25 23:47:43,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b278641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:43, skipping insertion in model container [2022-11-25 23:47:43,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:47:43" (1/1) ... [2022-11-25 23:47:43,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:47:44,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:47:44,614 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 23:47:44,615 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 23:47:44,927 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:47:45,088 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:47:45,128 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:45,238 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_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/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 23:47:45,355 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:47:45,356 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:47:45,357 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:47:45,358 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 23:47:45,420 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 23:47:45,510 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:47:45,583 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-25 23:47:45,629 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:47:45,639 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:47:45,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:45,678 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:47:45,681 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:47:45,683 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:47:45,685 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:47:45,686 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 23:47:45,866 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:47:45,878 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:45,923 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:45,928 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:45,929 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:45,931 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:47:45,937 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:45,938 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:45,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:45,942 WARN L623 FunctionHandler]: Unknown extern function skb_realloc_headroom [2022-11-25 23:47:45,943 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:47:45,943 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:45,953 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 23:47:45,955 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:45,957 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:47:45,960 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:45,964 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:45,979 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:45,981 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:45,983 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:45,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:45,986 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 23:47:45,998 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,015 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,025 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,032 WARN L623 FunctionHandler]: Unknown extern function dev_set_mtu [2022-11-25 23:47:46,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,050 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,056 WARN L623 FunctionHandler]: Unknown extern function ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 23:47:46,058 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,060 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:46,064 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,065 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:46,066 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:46,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,077 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:46,078 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 23:47:46,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,086 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-25 23:47:46,119 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:46,126 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,128 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:46,159 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,160 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:46,165 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,167 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:46,175 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,177 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:46,180 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:46,181 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:46,182 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 23:47:46,183 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:47:46,189 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:47:46,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,225 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:47:46,231 WARN L623 FunctionHandler]: Unknown extern function vcc_insert_socket [2022-11-25 23:47:46,232 WARN L623 FunctionHandler]: Unknown extern function __module_get [2022-11-25 23:47:46,245 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:46,247 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:46,250 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:46,254 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:46,255 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:46,256 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:46,257 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:46,258 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-11-25 23:47:46,343 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 23:47:46,344 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:46,350 WARN L623 FunctionHandler]: Unknown extern function seq_open_private [2022-11-25 23:47:46,357 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:47:46,376 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,377 WARN L623 FunctionHandler]: Unknown extern function register_atm_ioctl [2022-11-25 23:47:46,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,382 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 23:47:46,383 WARN L623 FunctionHandler]: Unknown extern function deregister_atm_ioctl [2022-11-25 23:47:46,385 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 23:47:46,395 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:47:46,396 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 23:47:46,397 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,409 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:47:46,410 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:47:46,410 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:47:46,411 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:47:46,417 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:47:46,417 WARN L623 FunctionHandler]: Unknown extern function vcc_release_async [2022-11-25 23:47:46,418 WARN L623 FunctionHandler]: Unknown extern function vcc_release_async [2022-11-25 23:47:46,425 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,427 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:46,428 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 23:47:46,429 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,430 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-11-25 23:47:46,437 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,444 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,446 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,453 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,466 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,468 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 23:47:46,473 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,475 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,476 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,478 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 23:47:46,480 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,481 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:46,485 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,486 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:46,490 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,492 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:46,495 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,498 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,501 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,504 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 23:47:46,506 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,508 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:46,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,511 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,515 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 23:47:46,516 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,520 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 23:47:46,521 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,524 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:46,525 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,528 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:47:46,531 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,539 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 23:47:46,572 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:47:46,573 WARN L623 FunctionHandler]: Unknown extern function ldv_open_6 [2022-11-25 23:47:46,574 WARN L623 FunctionHandler]: Unknown extern function seq_release_private [2022-11-25 23:47:46,574 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 23:47:46,575 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 23:47:46,580 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_5 [2022-11-25 23:47:46,581 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_5 [2022-11-25 23:47:46,581 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 23:47:46,583 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 23:47:46,584 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 23:47:46,584 WARN L623 FunctionHandler]: Unknown extern function skb_copy [2022-11-25 23:47:46,585 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:47:46,585 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:47:46,586 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:47:46,586 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 23:47:46,587 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 23:47:46,587 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 23:47:46,588 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-11-25 23:47:46,588 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:47:46,589 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:47:46,589 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:47:46,589 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:47:46,590 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:46,590 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:47:46,591 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:47:46,591 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:47:46,592 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:46,592 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:46,593 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:46,593 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:46,593 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:46,594 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:46,594 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:46,595 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:46,595 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:46,596 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:46,606 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 23:47:46,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,616 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,617 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,618 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,619 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,629 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,630 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,630 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,632 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,638 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,639 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,639 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,640 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,640 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,640 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,641 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:47:46,678 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:47:46,813 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 23:47:46,813 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 23:47:46,821 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:47:46,822 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 23:47:46,823 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:46,825 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_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/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 23:47:46,827 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:47:46,827 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:47:46,827 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:47:46,828 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 23:47:46,829 WARN L623 FunctionHandler]: Unknown extern function __alloc_skb [2022-11-25 23:47:46,832 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:47:46,834 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-25 23:47:46,837 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:47:46,837 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:47:46,838 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,840 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:47:46,841 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:47:46,841 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:47:46,842 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:47:46,843 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 23:47:46,853 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:47:46,860 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:46,882 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,885 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,887 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:47:46,891 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,892 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:46,893 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,893 WARN L623 FunctionHandler]: Unknown extern function skb_realloc_headroom [2022-11-25 23:47:46,894 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 23:47:46,894 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:46,895 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 23:47:46,896 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:46,897 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:47:46,898 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,901 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,901 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:46,903 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,903 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:46,904 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,907 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 23:47:46,910 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,915 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,916 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,919 WARN L623 FunctionHandler]: Unknown extern function dev_set_mtu [2022-11-25 23:47:46,920 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,923 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,924 WARN L623 FunctionHandler]: Unknown extern function ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 23:47:46,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,927 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:46,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,970 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:46,971 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:46,972 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,972 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:46,972 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 23:47:46,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:46,973 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-25 23:47:46,981 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:46,986 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,986 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:46,998 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:46,999 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:47,000 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,000 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 23:47:47,009 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,010 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:47,014 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:47,016 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:47:47,017 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 23:47:47,017 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:47:47,018 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 23:47:47,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:47,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:47,044 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:47:47,047 WARN L623 FunctionHandler]: Unknown extern function vcc_insert_socket [2022-11-25 23:47:47,053 WARN L623 FunctionHandler]: Unknown extern function __module_get [2022-11-25 23:47:47,054 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:47,055 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:47,055 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:47,056 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:47,056 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:47,057 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:47,057 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:47,057 WARN L623 FunctionHandler]: Unknown extern function seq_putc [2022-11-25 23:47:47,075 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-11-25 23:47:47,075 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:47:47,076 WARN L623 FunctionHandler]: Unknown extern function seq_open_private [2022-11-25 23:47:47,078 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:47:47,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:47,082 WARN L623 FunctionHandler]: Unknown extern function register_atm_ioctl [2022-11-25 23:47:47,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:47,082 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 23:47:47,083 WARN L623 FunctionHandler]: Unknown extern function deregister_atm_ioctl [2022-11-25 23:47:47,084 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 23:47:47,088 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:47:47,088 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 23:47:47,090 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:47,095 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:47:47,095 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:47:47,096 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:47:47,096 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:47:47,102 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:47:47,108 WARN L623 FunctionHandler]: Unknown extern function vcc_release_async [2022-11-25 23:47:47,113 WARN L623 FunctionHandler]: Unknown extern function vcc_release_async [2022-11-25 23:47:47,115 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,120 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:47,121 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 23:47:47,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,123 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-11-25 23:47:47,129 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:47:47,133 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,138 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,140 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,144 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,145 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 23:47:47,186 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,188 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,189 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,191 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 23:47:47,193 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,194 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:47,198 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,200 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:47,216 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,219 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:47,222 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,225 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,244 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,247 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 23:47:47,249 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,252 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:47,254 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,255 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,258 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,276 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 23:47:47,277 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,282 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,284 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 23:47:47,286 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,288 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:47:47,305 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,344 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:47:47,392 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,402 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:47:47,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 23:47:47,444 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:47:47,445 WARN L623 FunctionHandler]: Unknown extern function ldv_open_6 [2022-11-25 23:47:47,446 WARN L623 FunctionHandler]: Unknown extern function seq_release_private [2022-11-25 23:47:47,446 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 23:47:47,447 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 23:47:47,454 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_5 [2022-11-25 23:47:47,454 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_5 [2022-11-25 23:47:47,455 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 23:47:47,457 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 23:47:47,457 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 23:47:47,458 WARN L623 FunctionHandler]: Unknown extern function skb_copy [2022-11-25 23:47:47,458 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:47:47,459 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:47:47,459 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 23:47:47,460 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 23:47:47,460 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 23:47:47,461 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 23:47:47,461 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-11-25 23:47:47,462 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:47:47,472 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:47:47,472 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:47:47,473 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:47:47,473 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:47,474 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:47:47,474 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:47:47,475 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:47:47,475 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:47,476 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:47,476 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:47,478 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:47,479 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:47,480 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:47,480 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:47,481 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:47,495 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:47,495 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:47:47,496 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 23:47:47,497 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,498 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,499 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,505 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,506 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,524 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,524 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,526 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,533 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,533 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,534 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:47:47,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:47:47,739 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:47:47,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47 WrapperNode [2022-11-25 23:47:47,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:47:47,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:47:47,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:47:47,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:47:47,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (1/1) ... [2022-11-25 23:47:47,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (1/1) ... [2022-11-25 23:47:48,067 INFO L138 Inliner]: procedures = 286, calls = 2906, calls flagged for inlining = 145, calls inlined = 128, statements flattened = 5532 [2022-11-25 23:47:48,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:47:48,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:47:48,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:47:48,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:47:48,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (1/1) ... [2022-11-25 23:47:48,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (1/1) ... [2022-11-25 23:47:48,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (1/1) ... [2022-11-25 23:47:48,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (1/1) ... [2022-11-25 23:47:48,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (1/1) ... [2022-11-25 23:47:48,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (1/1) ... [2022-11-25 23:47:48,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (1/1) ... [2022-11-25 23:47:48,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (1/1) ... [2022-11-25 23:47:48,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:47:48,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:47:48,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:47:48,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:47:48,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (1/1) ... [2022-11-25 23:47:48,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:47:48,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:47:48,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:47:48,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bf838f2-c334-4c91-b3cc-b1eb5129a15e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:47:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-25 23:47:48,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-25 23:47:48,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:47:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-25 23:47:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-25 23:47:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:47:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:47:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:47:48,466 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 23:47:48,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 23:47:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure send_to_lecd [2022-11-25 23:47:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure send_to_lecd [2022-11-25 23:47:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-25 23:47:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-25 23:47:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure __lec_arp_check_expire [2022-11-25 23:47:48,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __lec_arp_check_expire [2022-11-25 23:47:48,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:47:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:47:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-25 23:47:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_stop [2022-11-25 23:47:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_stop [2022-11-25 23:47:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 23:47:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 23:47:48,468 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-11-25 23:47:48,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-11-25 23:47:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:47:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:47:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:47:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:47:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 23:47:48,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 23:47:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-25 23:47:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-25 23:47:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_find [2022-11-25 23:47:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_find [2022-11-25 23:47:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:47:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:47:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2022-11-25 23:47:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2022-11-25 23:47:48,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-25 23:47:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-25 23:47:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure atm_may_send [2022-11-25 23:47:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_may_send [2022-11-25 23:47:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_open [2022-11-25 23:47:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_open [2022-11-25 23:47:48,471 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 23:47:48,471 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 23:47:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-25 23:47:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-25 23:47:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:47:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:47:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure lec_tx_timeout [2022-11-25 23:47:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_tx_timeout [2022-11-25 23:47:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_empty [2022-11-25 23:47:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_empty [2022-11-25 23:47:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure lec_flush_complete [2022-11-25 23:47:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_flush_complete [2022-11-25 23:47:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:47:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-25 23:47:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-25 23:47:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure lec_send [2022-11-25 23:47:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_send [2022-11-25 23:47:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-25 23:47:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 23:47:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 23:47:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:47:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-11-25 23:47:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-11-25 23:47:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:47:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-25 23:47:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-25 23:47:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:47:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:47:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 23:47:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 23:47:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure lec_tbl_walk [2022-11-25 23:47:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_tbl_walk [2022-11-25 23:47:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 23:47:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 23:47:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 23:47:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 23:47:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:47:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 23:47:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 23:47:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure atm_force_charge [2022-11-25 23:47:48,477 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_force_charge [2022-11-25 23:47:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 23:47:48,477 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 23:47:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_check_expire [2022-11-25 23:47:48,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_check_expire [2022-11-25 23:47:48,477 INFO L130 BoogieDeclarations]: Found specification of procedure atm_return [2022-11-25 23:47:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_return [2022-11-25 23:47:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 23:47:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 23:47:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:47:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-25 23:47:48,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-25 23:47:48,478 INFO L130 BoogieDeclarations]: Found specification of procedure lec_get_idx [2022-11-25 23:47:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_get_idx [2022-11-25 23:47:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:47:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_add [2022-11-25 23:47:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_add [2022-11-25 23:47:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 23:47:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 23:47:48,479 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head [2022-11-25 23:47:48,479 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head [2022-11-25 23:47:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-25 23:47:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-25 23:47:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:47:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:47:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure lec_change_mtu [2022-11-25 23:47:48,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_change_mtu [2022-11-25 23:47:48,480 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-11-25 23:47:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-11-25 23:47:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:47:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:47:48,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 23:47:48,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 23:47:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-25 23:47:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-25 23:47:48,482 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:47:48,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:47:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure lec_seq_show [2022-11-25 23:47:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_seq_show [2022-11-25 23:47:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure vcc_release_async [2022-11-25 23:47:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vcc_release_async [2022-11-25 23:47:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:47:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del [2022-11-25 23:47:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del [2022-11-25 23:47:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_private [2022-11-25 23:47:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_private [2022-11-25 23:47:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:47:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:47:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure lec_set_multicast_list [2022-11-25 23:47:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_set_multicast_list [2022-11-25 23:47:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_put [2022-11-25 23:47:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_put [2022-11-25 23:47:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_hold [2022-11-25 23:47:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_hold [2022-11-25 23:47:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:47:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-25 23:47:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-25 23:47:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:47:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:47:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:47:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-25 23:47:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-25 23:47:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:47:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:47:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure lec_atm_send [2022-11-25 23:47:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_atm_send [2022-11-25 23:47:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-25 23:47:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-25 23:47:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-11-25 23:47:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-11-25 23:47:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure lec_atm_close [2022-11-25 23:47:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_atm_close [2022-11-25 23:47:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 23:47:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 23:47:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-25 23:47:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-25 23:47:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure make_entry [2022-11-25 23:47:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure make_entry [2022-11-25 23:47:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 23:47:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 23:47:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_remove [2022-11-25 23:47:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_remove [2022-11-25 23:47:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:47:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_update [2022-11-25 23:47:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_update [2022-11-25 23:47:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure lec_arp_clear_vccs [2022-11-25 23:47:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lec_arp_clear_vccs [2022-11-25 23:47:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-11-25 23:47:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-11-25 23:47:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:47:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:47:49,501 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:47:49,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:47:49,828 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:47:58,274 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-25 23:48:00,928 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 23:48:00,929 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 23:48:08,168 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:48:09,926 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:48:09,928 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 23:48:09,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:48:09 BoogieIcfgContainer [2022-11-25 23:48:09,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:48:09,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:48:09,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:48:09,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:48:09,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:47:43" (1/3) ... [2022-11-25 23:48:09,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffac6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:48:09, skipping insertion in model container [2022-11-25 23:48:09,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:47:47" (2/3) ... [2022-11-25 23:48:09,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffac6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:48:09, skipping insertion in model container [2022-11-25 23:48:09,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:48:09" (3/3) ... [2022-11-25 23:48:09,948 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 23:48:09,969 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:48:09,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:48:10,085 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:48:10,096 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=FINITE_AUTOMATA, 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;@7f5e6dbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:48:10,097 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:48:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 1179 states, 739 states have (on average 1.3707713125845737) internal successors, (1013), 779 states have internal predecessors, (1013), 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 23:48:10,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-25 23:48:10,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:48:10,154 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] [2022-11-25 23:48:10,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:48:10,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:48:10,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1544237235, now seen corresponding path program 1 times [2022-11-25 23:48:10,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:48:10,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602318945] [2022-11-25 23:48:10,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:48:10,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:48:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:48:11,185 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 23:48:11,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:48:11,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602318945] [2022-11-25 23:48:11,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602318945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:48:11,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:48:11,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:48:11,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598768504] [2022-11-25 23:48:11,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:48:11,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:48:11,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:48:11,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:48:11,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:48:11,252 INFO L87 Difference]: Start difference. First operand has 1179 states, 739 states have (on average 1.3707713125845737) internal successors, (1013), 779 states have internal predecessors, (1013), 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 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 2 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 23:48:14,223 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 23:48:17,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:48:17,200 INFO L93 Difference]: Finished difference Result 3433 states and 5115 transitions. [2022-11-25 23:48:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:48:17,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 2 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 82 [2022-11-25 23:48:17,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:48:17,235 INFO L225 Difference]: With dead ends: 3433 [2022-11-25 23:48:17,235 INFO L226 Difference]: Without dead ends: 2242 [2022-11-25 23:48:17,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:48:17,250 INFO L413 NwaCegarLoop]: 1804 mSDtfsCounter, 1622 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 3252 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:48:17,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 3252 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 481 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-25 23:48:17,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2022-11-25 23:48:17,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2239. [2022-11-25 23:48:17,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2239 states, 1418 states have (on average 1.3582510578279268) internal successors, (1926), 1476 states have internal predecessors, (1926), 669 states have call successors, (669), 152 states have call predecessors, (669), 151 states have return successors, (671), 648 states have call predecessors, (671), 668 states have call successors, (671) [2022-11-25 23:48:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 3266 transitions. [2022-11-25 23:48:17,536 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 3266 transitions. Word has length 82 [2022-11-25 23:48:17,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:48:17,537 INFO L495 AbstractCegarLoop]: Abstraction has 2239 states and 3266 transitions. [2022-11-25 23:48:17,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 2 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 23:48:17,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 3266 transitions. [2022-11-25 23:48:17,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-25 23:48:17,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:48:17,550 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 23:48:17,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:48:17,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:48:17,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:48:17,551 INFO L85 PathProgramCache]: Analyzing trace with hash 515199943, now seen corresponding path program 1 times [2022-11-25 23:48:17,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:48:17,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941907993] [2022-11-25 23:48:17,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:48:17,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:48:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:48:18,125 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 23:48:18,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:48:18,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941907993] [2022-11-25 23:48:18,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941907993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:48:18,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:48:18,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:48:18,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978543384] [2022-11-25 23:48:18,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:48:18,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:48:18,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:48:18,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:48:18,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:48:18,131 INFO L87 Difference]: Start difference. First operand 2239 states and 3266 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (14), 2 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 23:48:20,741 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 23:48:23,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:48:23,782 INFO L93 Difference]: Finished difference Result 6325 states and 9201 transitions. [2022-11-25 23:48:23,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:48:23,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (14), 2 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 23:48:23,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:48:23,829 INFO L225 Difference]: With dead ends: 6325 [2022-11-25 23:48:23,829 INFO L226 Difference]: Without dead ends: 4107 [2022-11-25 23:48:23,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:48:23,849 INFO L413 NwaCegarLoop]: 1794 mSDtfsCounter, 1411 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 3222 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:48:23,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 3222 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 471 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-25 23:48:23,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2022-11-25 23:48:24,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 4104. [2022-11-25 23:48:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4104 states, 2603 states have (on average 1.361505954667691) internal successors, (3544), 2713 states have internal predecessors, (3544), 1205 states have call successors, (1205), 296 states have call predecessors, (1205), 295 states have return successors, (1213), 1166 states have call predecessors, (1213), 1204 states have call successors, (1213) [2022-11-25 23:48:24,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 4104 states and 5962 transitions. [2022-11-25 23:48:24,152 INFO L78 Accepts]: Start accepts. Automaton has 4104 states and 5962 transitions. Word has length 86 [2022-11-25 23:48:24,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:48:24,154 INFO L495 AbstractCegarLoop]: Abstraction has 4104 states and 5962 transitions. [2022-11-25 23:48:24,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (14), 2 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 23:48:24,155 INFO L276 IsEmpty]: Start isEmpty. Operand 4104 states and 5962 transitions. [2022-11-25 23:48:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-25 23:48:24,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:48:24,160 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] [2022-11-25 23:48:24,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:48:24,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:48:24,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:48:24,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1240589363, now seen corresponding path program 1 times [2022-11-25 23:48:24,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:48:24,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208471071] [2022-11-25 23:48:24,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:48:24,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:48:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:48:24,964 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 23:48:24,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:48:24,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208471071] [2022-11-25 23:48:24,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208471071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:48:24,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:48:24,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:48:24,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657518003] [2022-11-25 23:48:24,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:48:24,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:48:24,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:48:24,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:48:24,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:48:24,967 INFO L87 Difference]: Start difference. First operand 4104 states and 5962 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 2 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 23:48:28,780 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 23:48:37,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:48:37,036 INFO L93 Difference]: Finished difference Result 16319 states and 23974 transitions. [2022-11-25 23:48:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:48:37,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 2 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 90 [2022-11-25 23:48:37,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:48:37,140 INFO L225 Difference]: With dead ends: 16319 [2022-11-25 23:48:37,141 INFO L226 Difference]: Without dead ends: 12242 [2022-11-25 23:48:37,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:48:37,191 INFO L413 NwaCegarLoop]: 2144 mSDtfsCounter, 4290 mSDsluCounter, 2261 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 683 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4290 SdHoareTripleChecker+Valid, 4405 SdHoareTripleChecker+Invalid, 2080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 683 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:48:37,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4290 Valid, 4405 Invalid, 2080 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [683 Valid, 1396 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2022-11-25 23:48:37,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12242 states. [2022-11-25 23:48:37,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12242 to 12212. [2022-11-25 23:48:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12212 states, 7769 states have (on average 1.3615651950057923) internal successors, (10578), 8075 states have internal predecessors, (10578), 3567 states have call successors, (3567), 876 states have call predecessors, (3567), 875 states have return successors, (3849), 3460 states have call predecessors, (3849), 3566 states have call successors, (3849) [2022-11-25 23:48:38,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12212 states to 12212 states and 17994 transitions. [2022-11-25 23:48:38,085 INFO L78 Accepts]: Start accepts. Automaton has 12212 states and 17994 transitions. Word has length 90 [2022-11-25 23:48:38,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:48:38,086 INFO L495 AbstractCegarLoop]: Abstraction has 12212 states and 17994 transitions. [2022-11-25 23:48:38,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 2 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 23:48:38,088 INFO L276 IsEmpty]: Start isEmpty. Operand 12212 states and 17994 transitions. [2022-11-25 23:48:38,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-25 23:48:38,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:48:38,091 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] [2022-11-25 23:48:38,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:48:38,091 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:48:38,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:48:38,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1400726823, now seen corresponding path program 1 times [2022-11-25 23:48:38,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:48:38,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117466556] [2022-11-25 23:48:38,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:48:38,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:48:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:48:38,897 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 23:48:38,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:48:38,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117466556] [2022-11-25 23:48:38,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117466556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:48:38,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:48:38,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:48:38,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443037888] [2022-11-25 23:48:38,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:48:38,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:48:38,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:48:38,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:48:38,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:48:38,900 INFO L87 Difference]: Start difference. First operand 12212 states and 17994 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (16), 2 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 23:48:42,326 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 23:48:49,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:48:49,960 INFO L93 Difference]: Finished difference Result 48735 states and 72142 transitions. [2022-11-25 23:48:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:48:49,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (16), 2 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 89 [2022-11-25 23:48:49,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:48:50,222 INFO L225 Difference]: With dead ends: 48735 [2022-11-25 23:48:50,222 INFO L226 Difference]: Without dead ends: 36550 [2022-11-25 23:48:50,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:48:50,321 INFO L413 NwaCegarLoop]: 2144 mSDtfsCounter, 3330 mSDsluCounter, 3594 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 5738 SdHoareTripleChecker+Invalid, 1655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:48:50,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 5738 Invalid, 1655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1648 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-11-25 23:48:50,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36550 states. [2022-11-25 23:48:52,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36550 to 36520. [2022-11-25 23:48:53,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36520 states, 23267 states have (on average 1.3607254910388102) internal successors, (31660), 24145 states have internal predecessors, (31660), 10637 states have call successors, (10637), 2616 states have call predecessors, (10637), 2615 states have return successors, (11813), 10342 states have call predecessors, (11813), 10636 states have call successors, (11813) [2022-11-25 23:48:53,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36520 states to 36520 states and 54110 transitions. [2022-11-25 23:48:53,283 INFO L78 Accepts]: Start accepts. Automaton has 36520 states and 54110 transitions. Word has length 89 [2022-11-25 23:48:53,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:48:53,284 INFO L495 AbstractCegarLoop]: Abstraction has 36520 states and 54110 transitions. [2022-11-25 23:48:53,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (16), 2 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 23:48:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 36520 states and 54110 transitions. [2022-11-25 23:48:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-25 23:48:53,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:48:53,287 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] [2022-11-25 23:48:53,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:48:53,287 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:48:53,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:48:53,288 INFO L85 PathProgramCache]: Analyzing trace with hash 34793809, now seen corresponding path program 1 times [2022-11-25 23:48:53,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:48:53,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768115130] [2022-11-25 23:48:53,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:48:53,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:48:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:48:54,112 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 23:48:54,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:48:54,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768115130] [2022-11-25 23:48:54,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768115130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:48:54,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:48:54,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:48:54,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781786287] [2022-11-25 23:48:54,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:48:54,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:48:54,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:48:54,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:48:54,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:48:54,116 INFO L87 Difference]: Start difference. First operand 36520 states and 54110 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 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 23:48:58,276 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 23:49:09,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:49:09,764 INFO L93 Difference]: Finished difference Result 145919 states and 216502 transitions. [2022-11-25 23:49:09,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:49:09,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 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 91 [2022-11-25 23:49:09,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:49:10,805 INFO L225 Difference]: With dead ends: 145919 [2022-11-25 23:49:10,806 INFO L226 Difference]: Without dead ends: 109426 [2022-11-25 23:49:10,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:49:10,996 INFO L413 NwaCegarLoop]: 2147 mSDtfsCounter, 3328 mSDsluCounter, 3595 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 5742 SdHoareTripleChecker+Invalid, 1655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:49:10,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 5742 Invalid, 1655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1648 Invalid, 1 Unknown, 0 Unchecked, 10.6s Time] [2022-11-25 23:49:11,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109426 states. [2022-11-25 23:49:17,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109426 to 109396. [2022-11-25 23:49:17,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109396 states, 69761 states have (on average 1.3596422069637764) internal successors, (94850), 72307 states have internal predecessors, (94850), 31799 states have call successors, (31799), 7836 states have call predecessors, (31799), 7835 states have return successors, (35649), 30988 states have call predecessors, (35649), 31798 states have call successors, (35649) [2022-11-25 23:49:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109396 states to 109396 states and 162298 transitions. [2022-11-25 23:49:18,146 INFO L78 Accepts]: Start accepts. Automaton has 109396 states and 162298 transitions. Word has length 91 [2022-11-25 23:49:18,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:49:18,146 INFO L495 AbstractCegarLoop]: Abstraction has 109396 states and 162298 transitions. [2022-11-25 23:49:18,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (16), 2 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 23:49:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 109396 states and 162298 transitions. [2022-11-25 23:49:18,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-25 23:49:18,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:49:18,149 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] [2022-11-25 23:49:18,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:49:18,149 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:49:18,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:49:18,150 INFO L85 PathProgramCache]: Analyzing trace with hash -172381397, now seen corresponding path program 1 times [2022-11-25 23:49:18,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:49:18,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492950787] [2022-11-25 23:49:18,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:18,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:49:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:49:19,106 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 23:49:19,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:49:19,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492950787] [2022-11-25 23:49:19,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492950787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:49:19,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:49:19,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:49:19,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665697566] [2022-11-25 23:49:19,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:49:19,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:49:19,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:49:19,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:49:19,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:49:19,108 INFO L87 Difference]: Start difference. First operand 109396 states and 162298 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 2 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 23:49:21,591 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 23:49:32,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:49:32,703 INFO L93 Difference]: Finished difference Result 178171 states and 264366 transitions. [2022-11-25 23:49:32,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:49:32,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 2 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 92 [2022-11-25 23:49:32,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:49:33,091 INFO L225 Difference]: With dead ends: 178171 [2022-11-25 23:49:33,091 INFO L226 Difference]: Without dead ends: 68802 [2022-11-25 23:49:33,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:49:33,461 INFO L413 NwaCegarLoop]: 2392 mSDtfsCounter, 4130 mSDsluCounter, 2255 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 631 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4130 SdHoareTripleChecker+Valid, 4647 SdHoareTripleChecker+Invalid, 2080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 631 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:49:33,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4130 Valid, 4647 Invalid, 2080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [631 Valid, 1448 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-11-25 23:49:33,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68802 states. [2022-11-25 23:49:36,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68802 to 68744. [2022-11-25 23:49:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68744 states, 43815 states have (on average 1.3597169918977519) internal successors, (59576), 45409 states have internal predecessors, (59576), 19997 states have call successors, (19997), 4928 states have call predecessors, (19997), 4931 states have return successors, (22397), 19498 states have call predecessors, (22397), 19996 states have call successors, (22397) [2022-11-25 23:49:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68744 states to 68744 states and 101970 transitions. [2022-11-25 23:49:37,232 INFO L78 Accepts]: Start accepts. Automaton has 68744 states and 101970 transitions. Word has length 92 [2022-11-25 23:49:37,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:49:37,234 INFO L495 AbstractCegarLoop]: Abstraction has 68744 states and 101970 transitions. [2022-11-25 23:49:37,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 2 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 23:49:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 68744 states and 101970 transitions. [2022-11-25 23:49:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-25 23:49:37,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:49:37,239 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:49:37,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:49:37,240 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:49:37,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:49:37,240 INFO L85 PathProgramCache]: Analyzing trace with hash -572350864, now seen corresponding path program 1 times [2022-11-25 23:49:37,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:49:37,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363822097] [2022-11-25 23:49:37,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:49:37,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:49:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:49:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-25 23:49:37,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:49:37,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363822097] [2022-11-25 23:49:37,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363822097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:49:37,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:49:37,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:49:37,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705483379] [2022-11-25 23:49:37,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:49:37,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:49:37,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:49:37,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:49:37,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:49:37,575 INFO L87 Difference]: Start difference. First operand 68744 states and 101970 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 23:49:39,813 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 23:49:47,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:49:47,421 INFO L93 Difference]: Finished difference Result 192850 states and 285016 transitions. [2022-11-25 23:49:47,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:49:47,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 101 [2022-11-25 23:49:47,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:49:48,468 INFO L225 Difference]: With dead ends: 192850 [2022-11-25 23:49:48,468 INFO L226 Difference]: Without dead ends: 124133 [2022-11-25 23:49:48,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:49:48,658 INFO L413 NwaCegarLoop]: 1737 mSDtfsCounter, 1377 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1380 SdHoareTripleChecker+Valid, 3137 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:49:48,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1380 Valid, 3137 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 493 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 23:49:48,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124133 states.