./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/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_bccade72-8f85-4cbd-a463-bedb930b7b6f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/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_bccade72-8f85-4cbd-a463-bedb930b7b6f/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 b087d00fa9bd90976fef9b627e09b5ad5b9a94f81c1bccd132a9fa7492421f28 --- 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 23:31:13,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:31:13,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:31:13,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:31:13,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:31:13,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:31:13,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:31:13,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:31:13,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:31:13,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:31:13,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:31:14,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:31:14,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:31:14,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:31:14,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:31:14,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:31:14,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:31:14,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:31:14,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:31:14,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:31:14,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:31:14,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:31:14,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:31:14,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:31:14,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:31:14,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:31:14,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:31:14,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:31:14,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:31:14,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:31:14,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:31:14,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:31:14,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:31:14,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:31:14,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:31:14,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:31:14,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:31:14,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:31:14,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:31:14,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:31:14,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:31:14,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:31:14,104 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:31:14,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:31:14,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:31:14,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:31:14,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:31:14,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:31:14,106 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:31:14,106 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:31:14,106 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:31:14,107 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:31:14,107 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:31:14,107 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:31:14,107 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:31:14,107 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:31:14,108 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:31:14,108 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:31:14,108 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:31:14,108 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:31:14,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:31:14,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:31:14,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:31:14,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:31:14,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:31:14,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:31:14,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:31:14,110 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:31:14,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:31:14,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:31:14,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:31:14,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:31:14,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:31:14,112 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:31:14,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:31:14,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:31:14,112 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:31:14,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:31:14,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:31:14,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:31:14,113 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_bccade72-8f85-4cbd-a463-bedb930b7b6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b087d00fa9bd90976fef9b627e09b5ad5b9a94f81c1bccd132a9fa7492421f28 [2022-11-25 23:31:14,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:31:14,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:31:14,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:31:14,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:31:14,407 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:31:14,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2022-11-25 23:31:17,517 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:31:18,245 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:31:18,246 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2022-11-25 23:31:18,318 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/bin/utaipan-ByfvJB40ur/data/51b1b94f7/8b9740e7ae3c47408cc7cab371fa1385/FLAG29f94a7ff [2022-11-25 23:31:18,338 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/bin/utaipan-ByfvJB40ur/data/51b1b94f7/8b9740e7ae3c47408cc7cab371fa1385 [2022-11-25 23:31:18,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:31:18,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:31:18,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:31:18,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:31:18,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:31:18,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:31:18" (1/1) ... [2022-11-25 23:31:18,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377ba00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:18, skipping insertion in model container [2022-11-25 23:31:18,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:31:18" (1/1) ... [2022-11-25 23:31:18,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:31:18,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:31:19,306 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:31:19,321 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:31:19,328 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:31:19,529 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:31:19,560 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:31:19,575 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:31:19,590 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:31:19,616 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:31:19,766 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:31:19,768 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:31:19,779 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:31:19,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,028 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:31:20,030 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:31:20,031 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:20,031 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:20,042 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 23:31:20,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,051 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:20,052 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:20,052 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:20,053 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:31:20,059 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:31:20,060 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:31:20,060 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:31:20,060 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:31:20,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,073 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,090 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,105 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,109 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 23:31:20,116 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:31:20,118 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:31:20,119 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:31:20,119 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:31:20,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,146 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,147 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 23:31:20,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,158 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 23:31:20,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,160 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:20,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,198 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,249 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:31:20,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,258 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,261 WARN L623 FunctionHandler]: Unknown extern function orinoco_process_xmit_skb [2022-11-25 23:31:20,265 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:31:20,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,267 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:31:20,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,279 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,280 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 23:31:20,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,287 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:31:20,288 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:31:20,289 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:31:20,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,295 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,296 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,297 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,298 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,302 WARN L623 FunctionHandler]: Unknown extern function __orinoco_ev_rx [2022-11-25 23:31:20,302 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:31:20,303 WARN L623 FunctionHandler]: Unknown extern function __orinoco_ev_info [2022-11-25 23:31:20,310 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:31:20,311 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:31:20,312 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 23:31:20,312 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:31:20,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,315 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:31:20,316 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:20,316 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:31:20,317 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:20,318 WARN L623 FunctionHandler]: Unknown extern function orinoco_if_del [2022-11-25 23:31:20,318 WARN L623 FunctionHandler]: Unknown extern function free_orinocodev [2022-11-25 23:31:20,343 WARN L623 FunctionHandler]: Unknown extern function alloc_orinocodev [2022-11-25 23:31:20,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,345 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:31:20,345 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:31:20,346 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:31:20,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,349 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,352 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,358 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 23:31:20,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,362 WARN L623 FunctionHandler]: Unknown extern function orinoco_init [2022-11-25 23:31:20,362 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,362 WARN L623 FunctionHandler]: Unknown extern function orinoco_if_add [2022-11-25 23:31:20,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,364 WARN L623 FunctionHandler]: Unknown extern function free_orinocodev [2022-11-25 23:31:20,365 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:31:20,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:20,686 WARN L623 FunctionHandler]: Unknown extern function orinoco_open [2022-11-25 23:31:20,687 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 23:31:20,688 WARN L623 FunctionHandler]: Unknown extern function orinoco_set_multicast_list [2022-11-25 23:31:20,690 WARN L623 FunctionHandler]: Unknown extern function orinoco_stop [2022-11-25 23:31:20,692 WARN L623 FunctionHandler]: Unknown extern function orinoco_tx_timeout [2022-11-25 23:31:20,694 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:31:20,695 WARN L623 FunctionHandler]: Unknown extern function orinoco_change_mtu [2022-11-25 23:31:20,696 WARN L623 FunctionHandler]: Unknown extern function orinoco_get_stats [2022-11-25 23:31:20,723 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:31:20,738 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:31:20,750 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:31:20,753 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-11-25 23:31:20,761 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:31:20,770 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:31:20,772 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:31:20,774 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:20,776 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:20,776 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:20,779 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:20,780 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:20,781 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:31:20,782 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:20,783 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:31:20,785 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:31:20,788 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:20,791 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:31:20,792 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:20,794 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 23:31:20,796 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:31:20,884 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:31:20,894 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:20,966 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:20,972 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:20,977 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:20,984 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,003 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,008 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,013 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,018 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,025 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,045 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,051 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,056 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,061 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,067 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,086 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,091 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,096 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,102 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,107 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,129 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,133 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,134 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,139 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,145 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,169 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,175 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,180 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,185 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,191 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,209 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,213 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,218 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,224 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,229 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,248 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,263 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,269 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,274 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,280 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,300 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,306 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,310 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,315 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,320 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,337 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,338 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,339 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,344 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,349 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,368 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,368 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,369 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,374 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,379 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,401 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,406 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,412 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,417 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,422 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,448 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,454 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,459 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,464 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,469 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,491 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,492 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,492 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,492 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,493 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,493 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,493 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,494 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,494 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,494 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,495 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,496 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,496 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,496 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:21,524 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_bccade72-8f85-4cbd-a463-bedb930b7b6f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2022-11-25 23:31:21,534 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_bccade72-8f85-4cbd-a463-bedb930b7b6f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2022-11-25 23:31:21,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:31:21,623 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:31:21,831 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:31:21,832 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:31:21,833 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:31:21,836 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:31:21,837 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:31:21,838 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:31:21,838 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:31:21,840 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:31:21,845 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:31:21,846 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:31:21,847 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:31:21,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,881 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:31:21,882 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:31:21,882 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:21,883 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:21,884 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 23:31:21,884 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,886 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:21,886 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:21,886 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:21,889 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 23:31:21,890 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:31:21,890 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:31:21,891 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:31:21,891 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 23:31:21,893 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,896 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,898 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,912 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,914 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,914 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 23:31:21,921 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:31:21,922 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:31:21,923 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:31:21,923 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:31:21,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,928 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,937 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 23:31:21,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,939 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,941 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 23:31:21,942 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,942 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:21,945 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,955 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:31:21,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,971 WARN L623 FunctionHandler]: Unknown extern function orinoco_process_xmit_skb [2022-11-25 23:31:21,974 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 23:31:21,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,975 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:31:21,976 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,977 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,977 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,979 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 23:31:21,980 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,981 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:31:21,981 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:31:21,982 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:31:21,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:21,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,003 WARN L623 FunctionHandler]: Unknown extern function __orinoco_ev_rx [2022-11-25 23:31:22,003 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 23:31:22,004 WARN L623 FunctionHandler]: Unknown extern function __orinoco_ev_info [2022-11-25 23:31:22,005 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 23:31:22,006 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-25 23:31:22,006 WARN L623 FunctionHandler]: Unknown extern function usb_unlink_urb [2022-11-25 23:31:22,007 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:31:22,009 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,009 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:31:22,009 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:22,010 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 23:31:22,010 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:31:22,011 WARN L623 FunctionHandler]: Unknown extern function orinoco_if_del [2022-11-25 23:31:22,012 WARN L623 FunctionHandler]: Unknown extern function free_orinocodev [2022-11-25 23:31:22,016 WARN L623 FunctionHandler]: Unknown extern function alloc_orinocodev [2022-11-25 23:31:22,016 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,017 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:31:22,017 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:31:22,017 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:31:22,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,020 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,020 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,025 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,025 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,026 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 23:31:22,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,028 WARN L623 FunctionHandler]: Unknown extern function orinoco_init [2022-11-25 23:31:22,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,029 WARN L623 FunctionHandler]: Unknown extern function orinoco_if_add [2022-11-25 23:31:22,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,030 WARN L623 FunctionHandler]: Unknown extern function free_orinocodev [2022-11-25 23:31:22,030 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:31:22,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:31:22,042 WARN L623 FunctionHandler]: Unknown extern function orinoco_open [2022-11-25 23:31:22,042 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 23:31:22,043 WARN L623 FunctionHandler]: Unknown extern function orinoco_set_multicast_list [2022-11-25 23:31:22,043 WARN L623 FunctionHandler]: Unknown extern function orinoco_stop [2022-11-25 23:31:22,043 WARN L623 FunctionHandler]: Unknown extern function orinoco_tx_timeout [2022-11-25 23:31:22,044 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:31:22,044 WARN L623 FunctionHandler]: Unknown extern function orinoco_change_mtu [2022-11-25 23:31:22,044 WARN L623 FunctionHandler]: Unknown extern function orinoco_get_stats [2022-11-25 23:31:22,050 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:31:22,060 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:31:22,061 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:31:22,064 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-11-25 23:31:22,067 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:31:22,069 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:31:22,070 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 23:31:22,071 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:22,072 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:22,072 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:22,072 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:22,073 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:22,073 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:31:22,073 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:22,074 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:31:22,074 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 23:31:22,075 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:22,075 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 23:31:22,076 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 23:31:22,076 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 23:31:22,077 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 23:31:22,080 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:31:22,081 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,085 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,088 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,090 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,090 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,091 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,092 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,092 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,093 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,093 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,094 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,096 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,097 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,097 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,098 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,100 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,101 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,101 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,101 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,102 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,103 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,103 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,104 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,104 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,105 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,105 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,106 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,106 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,107 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,107 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,108 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,108 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,109 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,109 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,110 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,110 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,111 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,111 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,112 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,112 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,113 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,114 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,115 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,115 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,115 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,116 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,117 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,117 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,118 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,118 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,119 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,119 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,120 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,120 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,121 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,121 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,122 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,122 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,123 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,123 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,124 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,125 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,125 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,125 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,126 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,127 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,127 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,127 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,127 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,128 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,128 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,128 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,128 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,129 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,180 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,181 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,181 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,181 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,181 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:31:22,183 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_bccade72-8f85-4cbd-a463-bedb930b7b6f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2022-11-25 23:31:22,183 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_bccade72-8f85-4cbd-a463-bedb930b7b6f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2022-11-25 23:31:22,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:31:22,357 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:31:22,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22 WrapperNode [2022-11-25 23:31:22,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:31:22,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:31:22,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:31:22,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:31:22,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (1/1) ... [2022-11-25 23:31:22,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (1/1) ... [2022-11-25 23:31:22,660 INFO L138 Inliner]: procedures = 421, calls = 1839, calls flagged for inlining = 205, calls inlined = 179, statements flattened = 4225 [2022-11-25 23:31:22,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:31:22,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:31:22,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:31:22,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:31:22,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (1/1) ... [2022-11-25 23:31:22,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (1/1) ... [2022-11-25 23:31:22,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (1/1) ... [2022-11-25 23:31:22,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (1/1) ... [2022-11-25 23:31:22,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (1/1) ... [2022-11-25 23:31:22,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (1/1) ... [2022-11-25 23:31:22,923 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (1/1) ... [2022-11-25 23:31:22,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (1/1) ... [2022-11-25 23:31:22,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:31:22,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:31:22,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:31:22,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:31:22,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (1/1) ... [2022-11-25 23:31:22,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:31:22,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:31:23,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:31:23,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bccade72-8f85-4cbd-a463-bedb930b7b6f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:31:23,158 INFO L130 BoogieDeclarations]: Found specification of procedure build_crc [2022-11-25 23:31:23,158 INFO L138 BoogieDeclarations]: Found implementation of procedure build_crc [2022-11-25 23:31:23,158 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_set_multicast_list [2022-11-25 23:31:23,158 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_set_multicast_list [2022-11-25 23:31:23,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:31:23,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:31:23,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-11-25 23:31:23,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-11-25 23:31:23,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:31:23,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:31:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irqsave [2022-11-25 23:31:23,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irqsave [2022-11-25 23:31:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-25 23:31:23,163 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-25 23:31:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:31:23,163 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:31:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure free_orinocodev [2022-11-25 23:31:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure free_orinocodev [2022-11-25 23:31:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:31:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:31:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 23:31:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 23:31:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:31:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:31:23,165 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_8051_cpucs [2022-11-25 23:31:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_8051_cpucs [2022-11-25 23:31:23,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:31:23,165 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:31:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:31:23,165 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_unlock [2022-11-25 23:31:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_unlock [2022-11-25 23:31:23,166 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_open [2022-11-25 23:31:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_open [2022-11-25 23:31:23,166 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 23:31:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 23:31:23,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-25 23:31:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-25 23:31:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irqrestore [2022-11-25 23:31:23,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irqrestore [2022-11-25 23:31:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:31:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_disconnect [2022-11-25 23:31:23,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_disconnect [2022-11-25 23:31:23,167 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 23:31:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 23:31:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:31:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:31:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:31:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:31:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-25 23:31:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-25 23:31:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:31:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:31:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_init [2022-11-25 23:31:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_init [2022-11-25 23:31:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 23:31:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 23:31:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-25 23:31:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-25 23:31:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 23:31:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 23:31:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_hard_reset [2022-11-25 23:31:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_hard_reset [2022-11-25 23:31:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-25 23:31:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-25 23:31:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:31:23,172 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-25 23:31:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-25 23:31:23,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:31:23,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:31:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:31:23,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:31:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:31:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 23:31:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 23:31:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-25 23:31:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-25 23:31:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-25 23:31:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-25 23:31:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_request_context_put [2022-11-25 23:31:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_request_context_put [2022-11-25 23:31:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-25 23:31:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-25 23:31:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-25 23:31:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-25 23:31:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_submit_in_urb [2022-11-25 23:31:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_submit_in_urb [2022-11-25 23:31:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 23:31:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 23:31:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:31:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:31:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irq [2022-11-25 23:31:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irq [2022-11-25 23:31:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:31:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:31:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure ndev_priv [2022-11-25 23:31:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ndev_priv [2022-11-25 23:31:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-25 23:31:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-25 23:31:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:31:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:31:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:31:23,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:31:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-25 23:31:23,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-25 23:31:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irq [2022-11-25 23:31:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irq [2022-11-25 23:31:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:31:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 23:31:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 23:31:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-11-25 23:31:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-11-25 23:31:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:31:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-25 23:31:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-25 23:31:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2022-11-25 23:31:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2022-11-25 23:31:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:31:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_tx_timeout [2022-11-25 23:31:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_tx_timeout [2022-11-25 23:31:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_program_end [2022-11-25 23:31:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_program_end [2022-11-25 23:31:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-25 23:31:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-25 23:31:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:31:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:31:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 23:31:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 23:31:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2022-11-25 23:31:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2022-11-25 23:31:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_stop [2022-11-25 23:31:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_stop [2022-11-25 23:31:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_access_ltv [2022-11-25 23:31:23,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_access_ltv [2022-11-25 23:31:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 23:31:23,182 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 23:31:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_write_ltv [2022-11-25 23:31:23,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_write_ltv [2022-11-25 23:31:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_mod_timer [2022-11-25 23:31:23,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_mod_timer [2022-11-25 23:31:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 23:31:23,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 23:31:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-25 23:31:23,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-25 23:31:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:31:23,183 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:31:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_req_queue_run [2022-11-25 23:31:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_req_queue_run [2022-11-25 23:31:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:31:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:31:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2022-11-25 23:31:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2022-11-25 23:31:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_ctx_complete [2022-11-25 23:31:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_ctx_complete [2022-11-25 23:31:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_delete [2022-11-25 23:31:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_delete [2022-11-25 23:31:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:31:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_alloc_ctx [2022-11-25 23:31:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_alloc_ctx [2022-11-25 23:31:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:31:23,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:31:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 23:31:23,186 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 23:31:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_reply_inc [2022-11-25 23:31:23,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_reply_inc [2022-11-25 23:31:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2022-11-25 23:31:23,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2022-11-25 23:31:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_docmd_wait [2022-11-25 23:31:23,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_docmd_wait [2022-11-25 23:31:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:31:23,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:31:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2022-11-25 23:31:23,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2022-11-25 23:31:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:31:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 23:31:23,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 23:31:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_complete_all [2022-11-25 23:31:23,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_complete_all [2022-11-25 23:31:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 23:31:23,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 23:31:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-25 23:31:23,189 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-25 23:31:24,023 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:31:24,026 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:31:24,392 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:31:27,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 23:31:27,473 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:31:28,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:31:28,320 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 23:31:28,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:31:28 BoogieIcfgContainer [2022-11-25 23:31:28,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:31:28,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:31:28,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:31:28,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:31:28,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:31:18" (1/3) ... [2022-11-25 23:31:28,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d37e0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:31:28, skipping insertion in model container [2022-11-25 23:31:28,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:31:22" (2/3) ... [2022-11-25 23:31:28,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d37e0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:31:28, skipping insertion in model container [2022-11-25 23:31:28,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:31:28" (3/3) ... [2022-11-25 23:31:28,333 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2022-11-25 23:31:28,353 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:31:28,353 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:31:28,428 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:31:28,435 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;@7824ec3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:31:28,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:31:28,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 1087 states, 647 states have (on average 1.3415765069551777) internal successors, (868), 660 states have internal predecessors, (868), 358 states have call successors, (358), 82 states have call predecessors, (358), 81 states have return successors, (351), 347 states have call predecessors, (351), 351 states have call successors, (351) [2022-11-25 23:31:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-25 23:31:28,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:28,472 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:31:28,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:31:28,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:28,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1846183765, now seen corresponding path program 1 times [2022-11-25 23:31:28,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:28,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793235506] [2022-11-25 23:31:28,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:28,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2022-11-25 23:31:29,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:29,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793235506] [2022-11-25 23:31:29,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793235506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:29,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:29,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:31:29,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771627824] [2022-11-25 23:31:29,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:29,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:31:29,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:29,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:31:29,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:31:29,533 INFO L87 Difference]: Start difference. First operand has 1087 states, 647 states have (on average 1.3415765069551777) internal successors, (868), 660 states have internal predecessors, (868), 358 states have call successors, (358), 82 states have call predecessors, (358), 81 states have return successors, (351), 347 states have call predecessors, (351), 351 states have call successors, (351) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 23:31:31,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:31,433 INFO L93 Difference]: Finished difference Result 3021 states and 4455 transitions. [2022-11-25 23:31:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:31:31,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 179 [2022-11-25 23:31:31,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:31,477 INFO L225 Difference]: With dead ends: 3021 [2022-11-25 23:31:31,477 INFO L226 Difference]: Without dead ends: 1900 [2022-11-25 23:31:31,494 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 23:31:31,501 INFO L413 NwaCegarLoop]: 1695 mSDtfsCounter, 1252 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 2980 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:31,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 2980 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 23:31:31,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-11-25 23:31:31,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1896. [2022-11-25 23:31:31,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1896 states, 1150 states have (on average 1.3269565217391304) internal successors, (1526), 1176 states have internal predecessors, (1526), 589 states have call successors, (589), 156 states have call predecessors, (589), 156 states have return successors, (589), 579 states have call predecessors, (589), 589 states have call successors, (589) [2022-11-25 23:31:31,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2704 transitions. [2022-11-25 23:31:31,687 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2704 transitions. Word has length 179 [2022-11-25 23:31:31,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:31,690 INFO L495 AbstractCegarLoop]: Abstraction has 1896 states and 2704 transitions. [2022-11-25 23:31:31,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 23:31:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2704 transitions. [2022-11-25 23:31:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-25 23:31:31,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:31,704 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:31:31,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:31:31,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:31:31,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:31,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1487875321, now seen corresponding path program 1 times [2022-11-25 23:31:31,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:31,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087414800] [2022-11-25 23:31:31,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:31,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2022-11-25 23:31:32,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:32,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087414800] [2022-11-25 23:31:32,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087414800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:32,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:32,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:31:32,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138754205] [2022-11-25 23:31:32,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:32,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:31:32,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:32,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:31:32,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:31:32,202 INFO L87 Difference]: Start difference. First operand 1896 states and 2704 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 23:31:33,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:33,833 INFO L93 Difference]: Finished difference Result 5065 states and 7211 transitions. [2022-11-25 23:31:33,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:31:33,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 186 [2022-11-25 23:31:33,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:33,861 INFO L225 Difference]: With dead ends: 5065 [2022-11-25 23:31:33,861 INFO L226 Difference]: Without dead ends: 3200 [2022-11-25 23:31:33,873 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 23:31:33,879 INFO L413 NwaCegarLoop]: 1635 mSDtfsCounter, 1075 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 2883 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:33,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 2883 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 23:31:33,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3200 states. [2022-11-25 23:31:34,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3200 to 3194. [2022-11-25 23:31:34,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 1947 states have (on average 1.3271700051361068) internal successors, (2584), 1997 states have internal predecessors, (2584), 971 states have call successors, (971), 275 states have call predecessors, (971), 275 states have return successors, (971), 947 states have call predecessors, (971), 971 states have call successors, (971) [2022-11-25 23:31:34,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 4526 transitions. [2022-11-25 23:31:34,184 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 4526 transitions. Word has length 186 [2022-11-25 23:31:34,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:34,186 INFO L495 AbstractCegarLoop]: Abstraction has 3194 states and 4526 transitions. [2022-11-25 23:31:34,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-25 23:31:34,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 4526 transitions. [2022-11-25 23:31:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-25 23:31:34,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:34,195 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 15, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:34,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:31:34,195 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:31:34,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:34,197 INFO L85 PathProgramCache]: Analyzing trace with hash -165966579, now seen corresponding path program 1 times [2022-11-25 23:31:34,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:34,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239223721] [2022-11-25 23:31:34,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:34,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2022-11-25 23:31:34,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:34,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239223721] [2022-11-25 23:31:34,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239223721] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:34,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:34,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:31:34,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599484677] [2022-11-25 23:31:34,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:34,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:31:34,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:34,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:31:34,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:31:34,665 INFO L87 Difference]: Start difference. First operand 3194 states and 4526 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 23:31:36,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:36,337 INFO L93 Difference]: Finished difference Result 7702 states and 10868 transitions. [2022-11-25 23:31:36,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:31:36,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 196 [2022-11-25 23:31:36,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:36,370 INFO L225 Difference]: With dead ends: 7702 [2022-11-25 23:31:36,370 INFO L226 Difference]: Without dead ends: 4539 [2022-11-25 23:31:36,383 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 23:31:36,385 INFO L413 NwaCegarLoop]: 1525 mSDtfsCounter, 1168 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 2760 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:36,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 2760 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 23:31:36,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4539 states. [2022-11-25 23:31:36,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4539 to 4537. [2022-11-25 23:31:36,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4537 states, 2767 states have (on average 1.321647994217564) internal successors, (3657), 2840 states have internal predecessors, (3657), 1359 states have call successors, (1359), 410 states have call predecessors, (1359), 410 states have return successors, (1359), 1325 states have call predecessors, (1359), 1359 states have call successors, (1359) [2022-11-25 23:31:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4537 states to 4537 states and 6375 transitions. [2022-11-25 23:31:36,676 INFO L78 Accepts]: Start accepts. Automaton has 4537 states and 6375 transitions. Word has length 196 [2022-11-25 23:31:36,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:36,676 INFO L495 AbstractCegarLoop]: Abstraction has 4537 states and 6375 transitions. [2022-11-25 23:31:36,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 23:31:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 4537 states and 6375 transitions. [2022-11-25 23:31:36,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-25 23:31:36,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:36,681 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:36,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:31:36,682 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:31:36,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:36,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1637137462, now seen corresponding path program 1 times [2022-11-25 23:31:36,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:36,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454816543] [2022-11-25 23:31:36,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:36,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 909 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2022-11-25 23:31:37,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:37,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454816543] [2022-11-25 23:31:37,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454816543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:37,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:37,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:31:37,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987475395] [2022-11-25 23:31:37,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:37,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:31:37,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:37,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:31:37,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:31:37,053 INFO L87 Difference]: Start difference. First operand 4537 states and 6375 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 23:31:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:38,838 INFO L93 Difference]: Finished difference Result 9531 states and 13376 transitions. [2022-11-25 23:31:38,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:31:38,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 204 [2022-11-25 23:31:38,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:38,872 INFO L225 Difference]: With dead ends: 9531 [2022-11-25 23:31:38,872 INFO L226 Difference]: Without dead ends: 5025 [2022-11-25 23:31:38,893 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 23:31:38,895 INFO L413 NwaCegarLoop]: 1948 mSDtfsCounter, 1070 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:38,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 3214 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 23:31:38,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5025 states. [2022-11-25 23:31:39,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5025 to 5021. [2022-11-25 23:31:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5021 states, 3072 states have (on average 1.3216145833333333) internal successors, (4060), 3153 states have internal predecessors, (4060), 1489 states have call successors, (1489), 459 states have call predecessors, (1489), 459 states have return successors, (1489), 1449 states have call predecessors, (1489), 1489 states have call successors, (1489) [2022-11-25 23:31:39,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5021 states to 5021 states and 7038 transitions. [2022-11-25 23:31:39,247 INFO L78 Accepts]: Start accepts. Automaton has 5021 states and 7038 transitions. Word has length 204 [2022-11-25 23:31:39,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:39,247 INFO L495 AbstractCegarLoop]: Abstraction has 5021 states and 7038 transitions. [2022-11-25 23:31:39,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 23:31:39,249 INFO L276 IsEmpty]: Start isEmpty. Operand 5021 states and 7038 transitions. [2022-11-25 23:31:39,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-25 23:31:39,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:39,283 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:39,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:31:39,284 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:31:39,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:39,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1118392661, now seen corresponding path program 1 times [2022-11-25 23:31:39,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:39,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938416627] [2022-11-25 23:31:39,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:39,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 878 trivial. 0 not checked. [2022-11-25 23:31:39,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:39,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938416627] [2022-11-25 23:31:39,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938416627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:39,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:39,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:31:39,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618125610] [2022-11-25 23:31:39,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:39,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:31:39,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:39,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:31:39,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:31:39,571 INFO L87 Difference]: Start difference. First operand 5021 states and 7038 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 23:31:41,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:41,692 INFO L93 Difference]: Finished difference Result 12687 states and 17795 transitions. [2022-11-25 23:31:41,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:31:41,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 239 [2022-11-25 23:31:41,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:41,745 INFO L225 Difference]: With dead ends: 12687 [2022-11-25 23:31:41,746 INFO L226 Difference]: Without dead ends: 7697 [2022-11-25 23:31:41,770 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 23:31:41,771 INFO L413 NwaCegarLoop]: 1567 mSDtfsCounter, 1283 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 2815 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:41,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1283 Valid, 2815 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 23:31:41,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7697 states. [2022-11-25 23:31:42,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7697 to 7683. [2022-11-25 23:31:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7683 states, 4716 states have (on average 1.3127650551314674) internal successors, (6191), 4846 states have internal predecessors, (6191), 2282 states have call successors, (2282), 684 states have call predecessors, (2282), 684 states have return successors, (2282), 2210 states have call predecessors, (2282), 2282 states have call successors, (2282) [2022-11-25 23:31:42,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7683 states to 7683 states and 10755 transitions. [2022-11-25 23:31:42,304 INFO L78 Accepts]: Start accepts. Automaton has 7683 states and 10755 transitions. Word has length 239 [2022-11-25 23:31:42,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:42,308 INFO L495 AbstractCegarLoop]: Abstraction has 7683 states and 10755 transitions. [2022-11-25 23:31:42,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 23:31:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 7683 states and 10755 transitions. [2022-11-25 23:31:42,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-25 23:31:42,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:42,314 INFO L195 NwaCegarLoop]: trace histogram [20, 15, 15, 15, 15, 15, 15, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:42,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:31:42,315 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:31:42,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:42,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1536595244, now seen corresponding path program 1 times [2022-11-25 23:31:42,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:42,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617881300] [2022-11-25 23:31:42,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:42,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:42,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1037 trivial. 0 not checked. [2022-11-25 23:31:42,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:42,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617881300] [2022-11-25 23:31:42,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617881300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:42,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:42,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:31:42,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064248934] [2022-11-25 23:31:42,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:42,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:31:42,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:42,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:31:42,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:31:42,589 INFO L87 Difference]: Start difference. First operand 7683 states and 10755 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 23:31:44,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:44,786 INFO L93 Difference]: Finished difference Result 18123 states and 25340 transitions. [2022-11-25 23:31:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:31:44,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 240 [2022-11-25 23:31:44,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:44,861 INFO L225 Difference]: With dead ends: 18123 [2022-11-25 23:31:44,861 INFO L226 Difference]: Without dead ends: 10515 [2022-11-25 23:31:44,898 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 23:31:44,899 INFO L413 NwaCegarLoop]: 2268 mSDtfsCounter, 1190 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1190 SdHoareTripleChecker+Valid, 3489 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:44,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1190 Valid, 3489 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-25 23:31:44,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10515 states. [2022-11-25 23:31:45,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10515 to 10501. [2022-11-25 23:31:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10501 states, 6440 states have (on average 1.310248447204969) internal successors, (8438), 6634 states have internal predecessors, (8438), 3103 states have call successors, (3103), 957 states have call predecessors, (3103), 957 states have return successors, (3103), 2992 states have call predecessors, (3103), 3103 states have call successors, (3103) [2022-11-25 23:31:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10501 states to 10501 states and 14644 transitions. [2022-11-25 23:31:45,587 INFO L78 Accepts]: Start accepts. Automaton has 10501 states and 14644 transitions. Word has length 240 [2022-11-25 23:31:45,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:45,588 INFO L495 AbstractCegarLoop]: Abstraction has 10501 states and 14644 transitions. [2022-11-25 23:31:45,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 23:31:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 10501 states and 14644 transitions. [2022-11-25 23:31:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-25 23:31:45,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:45,597 INFO L195 NwaCegarLoop]: trace histogram [20, 15, 15, 15, 15, 15, 15, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:45,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:31:45,598 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:31:45,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:45,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1611101973, now seen corresponding path program 1 times [2022-11-25 23:31:45,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:45,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649776080] [2022-11-25 23:31:45,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:45,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-11-25 23:31:45,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:45,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649776080] [2022-11-25 23:31:45,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649776080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:45,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:45,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:31:45,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529785803] [2022-11-25 23:31:45,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:45,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:31:45,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:45,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:31:45,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:31:45,986 INFO L87 Difference]: Start difference. First operand 10501 states and 14644 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 23:31:48,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:48,211 INFO L93 Difference]: Finished difference Result 24989 states and 34821 transitions. [2022-11-25 23:31:48,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:31:48,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 253 [2022-11-25 23:31:48,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:48,297 INFO L225 Difference]: With dead ends: 24989 [2022-11-25 23:31:48,297 INFO L226 Difference]: Without dead ends: 14563 [2022-11-25 23:31:48,486 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 23:31:48,487 INFO L413 NwaCegarLoop]: 2161 mSDtfsCounter, 1338 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 3283 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:48,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 3283 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 23:31:48,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14563 states. [2022-11-25 23:31:49,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14563 to 14549. [2022-11-25 23:31:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14549 states, 8865 states have (on average 1.3037789058093627) internal successors, (11558), 9145 states have internal predecessors, (11558), 4318 states have call successors, (4318), 1365 states have call predecessors, (4318), 1365 states have return successors, (4318), 4160 states have call predecessors, (4318), 4318 states have call successors, (4318) [2022-11-25 23:31:49,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14549 states to 14549 states and 20194 transitions. [2022-11-25 23:31:49,349 INFO L78 Accepts]: Start accepts. Automaton has 14549 states and 20194 transitions. Word has length 253 [2022-11-25 23:31:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:49,350 INFO L495 AbstractCegarLoop]: Abstraction has 14549 states and 20194 transitions. [2022-11-25 23:31:49,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 23:31:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 14549 states and 20194 transitions. [2022-11-25 23:31:49,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-25 23:31:49,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:49,358 INFO L195 NwaCegarLoop]: trace histogram [22, 15, 15, 15, 15, 15, 15, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:49,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:31:49,359 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:31:49,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:49,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1987845056, now seen corresponding path program 1 times [2022-11-25 23:31:49,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:49,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613074306] [2022-11-25 23:31:49,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:49,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:49,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1141 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2022-11-25 23:31:49,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:49,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613074306] [2022-11-25 23:31:49,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613074306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:49,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:49,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:31:49,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768279756] [2022-11-25 23:31:49,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:49,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:31:49,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:49,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:31:49,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:31:49,913 INFO L87 Difference]: Start difference. First operand 14549 states and 20194 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 23:31:53,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:31:53,941 INFO L93 Difference]: Finished difference Result 33217 states and 46026 transitions. [2022-11-25 23:31:53,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:31:53,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 256 [2022-11-25 23:31:53,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:31:54,036 INFO L225 Difference]: With dead ends: 33217 [2022-11-25 23:31:54,036 INFO L226 Difference]: Without dead ends: 18743 [2022-11-25 23:31:54,090 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 23:31:54,092 INFO L413 NwaCegarLoop]: 2268 mSDtfsCounter, 1274 mSDsluCounter, 1684 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 3952 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:31:54,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 3952 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1422 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-25 23:31:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18743 states. [2022-11-25 23:31:55,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18743 to 18725. [2022-11-25 23:31:55,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18725 states, 11396 states have (on average 1.3003685503685503) internal successors, (14819), 11770 states have internal predecessors, (14819), 5526 states have call successors, (5526), 1802 states have call predecessors, (5526), 1802 states have return successors, (5526), 5312 states have call predecessors, (5526), 5526 states have call successors, (5526) [2022-11-25 23:31:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18725 states to 18725 states and 25871 transitions. [2022-11-25 23:31:55,164 INFO L78 Accepts]: Start accepts. Automaton has 18725 states and 25871 transitions. Word has length 256 [2022-11-25 23:31:55,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:31:55,165 INFO L495 AbstractCegarLoop]: Abstraction has 18725 states and 25871 transitions. [2022-11-25 23:31:55,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 23:31:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 18725 states and 25871 transitions. [2022-11-25 23:31:55,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-25 23:31:55,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:31:55,179 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:31:55,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:31:55,179 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:31:55,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:31:55,312 INFO L85 PathProgramCache]: Analyzing trace with hash -752710533, now seen corresponding path program 1 times [2022-11-25 23:31:55,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:31:55,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847688438] [2022-11-25 23:31:55,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:31:55,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:31:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:31:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2022-11-25 23:31:55,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:31:55,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847688438] [2022-11-25 23:31:55,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847688438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:31:55,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:31:55,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:31:55,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636875652] [2022-11-25 23:31:55,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:31:55,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:31:55,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:31:55,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:31:55,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:31:55,872 INFO L87 Difference]: Start difference. First operand 18725 states and 25871 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 23:32:00,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:32:00,738 INFO L93 Difference]: Finished difference Result 47209 states and 66296 transitions. [2022-11-25 23:32:00,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:32:00,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 293 [2022-11-25 23:32:00,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:32:00,937 INFO L225 Difference]: With dead ends: 47209 [2022-11-25 23:32:00,937 INFO L226 Difference]: Without dead ends: 28559 [2022-11-25 23:32:01,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:32:01,035 INFO L413 NwaCegarLoop]: 2460 mSDtfsCounter, 1793 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1932 SdHoareTripleChecker+Valid, 6231 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:32:01,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1932 Valid, 6231 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-25 23:32:01,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28559 states. [2022-11-25 23:32:02,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28559 to 22781. [2022-11-25 23:32:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22781 states, 13859 states have (on average 1.2990836279673859) internal successors, (18004), 14327 states have internal predecessors, (18004), 6710 states have call successors, (6710), 2211 states have call predecessors, (6710), 2211 states have return successors, (6710), 6440 states have call predecessors, (6710), 6710 states have call successors, (6710) [2022-11-25 23:32:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22781 states to 22781 states and 31424 transitions. [2022-11-25 23:32:02,520 INFO L78 Accepts]: Start accepts. Automaton has 22781 states and 31424 transitions. Word has length 293 [2022-11-25 23:32:02,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:32:02,521 INFO L495 AbstractCegarLoop]: Abstraction has 22781 states and 31424 transitions. [2022-11-25 23:32:02,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 23:32:02,521 INFO L276 IsEmpty]: Start isEmpty. Operand 22781 states and 31424 transitions. [2022-11-25 23:32:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-11-25 23:32:02,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:32:02,535 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:32:02,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:32:02,536 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:32:02,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:32:02,536 INFO L85 PathProgramCache]: Analyzing trace with hash -623406018, now seen corresponding path program 1 times [2022-11-25 23:32:02,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:32:02,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395391896] [2022-11-25 23:32:02,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:02,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:32:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:32:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2022-11-25 23:32:02,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:32:02,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395391896] [2022-11-25 23:32:02,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395391896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:32:02,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:32:02,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:32:02,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630359645] [2022-11-25 23:32:02,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:32:02,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:32:02,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:32:02,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:32:02,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:32:02,936 INFO L87 Difference]: Start difference. First operand 22781 states and 31424 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 23:32:08,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:32:08,355 INFO L93 Difference]: Finished difference Result 55361 states and 77476 transitions. [2022-11-25 23:32:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:32:08,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 294 [2022-11-25 23:32:08,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:32:08,579 INFO L225 Difference]: With dead ends: 55361 [2022-11-25 23:32:08,579 INFO L226 Difference]: Without dead ends: 32655 [2022-11-25 23:32:08,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:32:08,701 INFO L413 NwaCegarLoop]: 2441 mSDtfsCounter, 1824 mSDsluCounter, 3740 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 6181 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:32:08,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1961 Valid, 6181 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 23:32:08,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32655 states. [2022-11-25 23:32:10,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32655 to 26877. [2022-11-25 23:32:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26877 states, 16360 states have (on average 1.2977383863080685) internal successors, (21231), 16922 states have internal predecessors, (21231), 7894 states have call successors, (7894), 2622 states have call predecessors, (7894), 2622 states have return successors, (7894), 7568 states have call predecessors, (7894), 7894 states have call successors, (7894) [2022-11-25 23:32:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26877 states to 26877 states and 37019 transitions. [2022-11-25 23:32:11,241 INFO L78 Accepts]: Start accepts. Automaton has 26877 states and 37019 transitions. Word has length 294 [2022-11-25 23:32:11,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:32:11,242 INFO L495 AbstractCegarLoop]: Abstraction has 26877 states and 37019 transitions. [2022-11-25 23:32:11,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 23:32:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand 26877 states and 37019 transitions. [2022-11-25 23:32:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-11-25 23:32:11,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:32:11,261 INFO L195 NwaCegarLoop]: trace histogram [20, 15, 15, 15, 15, 15, 15, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:32:11,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:32:11,261 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:32:11,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:32:11,262 INFO L85 PathProgramCache]: Analyzing trace with hash -749450624, now seen corresponding path program 1 times [2022-11-25 23:32:11,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:32:11,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627171661] [2022-11-25 23:32:11,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:11,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:32:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:32:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2022-11-25 23:32:11,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:32:11,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627171661] [2022-11-25 23:32:11,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627171661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:32:11,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:32:11,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:32:11,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060373226] [2022-11-25 23:32:11,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:32:11,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:32:11,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:32:11,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:32:11,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:32:11,681 INFO L87 Difference]: Start difference. First operand 26877 states and 37019 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-25 23:32:15,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:32:15,314 INFO L93 Difference]: Finished difference Result 63920 states and 88030 transitions. [2022-11-25 23:32:15,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:32:15,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 299 [2022-11-25 23:32:15,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:32:15,524 INFO L225 Difference]: With dead ends: 63920 [2022-11-25 23:32:15,524 INFO L226 Difference]: Without dead ends: 37118 [2022-11-25 23:32:15,653 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 23:32:15,654 INFO L413 NwaCegarLoop]: 2358 mSDtfsCounter, 1283 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:32:15,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1283 Valid, 3604 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-25 23:32:15,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37118 states. [2022-11-25 23:32:17,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37118 to 37068. [2022-11-25 23:32:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37068 states, 22564 states have (on average 1.293210423683744) internal successors, (29180), 23372 states have internal predecessors, (29180), 10891 states have call successors, (10891), 3612 states have call predecessors, (10891), 3612 states have return successors, (10891), 10405 states have call predecessors, (10891), 10891 states have call successors, (10891) [2022-11-25 23:32:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37068 states to 37068 states and 50962 transitions. [2022-11-25 23:32:18,055 INFO L78 Accepts]: Start accepts. Automaton has 37068 states and 50962 transitions. Word has length 299 [2022-11-25 23:32:18,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:32:18,056 INFO L495 AbstractCegarLoop]: Abstraction has 37068 states and 50962 transitions. [2022-11-25 23:32:18,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-25 23:32:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 37068 states and 50962 transitions. [2022-11-25 23:32:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-25 23:32:18,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:32:18,080 INFO L195 NwaCegarLoop]: trace histogram [24, 15, 15, 15, 15, 15, 15, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:32:18,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 23:32:18,080 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:32:18,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:32:18,081 INFO L85 PathProgramCache]: Analyzing trace with hash 641693280, now seen corresponding path program 1 times [2022-11-25 23:32:18,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:32:18,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408575082] [2022-11-25 23:32:18,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:18,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:32:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:32:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2022-11-25 23:32:18,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:32:18,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408575082] [2022-11-25 23:32:18,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408575082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:32:18,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:32:18,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:32:18,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022436103] [2022-11-25 23:32:18,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:32:18,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:32:18,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:32:18,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:32:18,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:32:18,693 INFO L87 Difference]: Start difference. First operand 37068 states and 50962 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-25 23:32:24,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:32:24,347 INFO L93 Difference]: Finished difference Result 108696 states and 149472 transitions. [2022-11-25 23:32:24,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:32:24,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 295 [2022-11-25 23:32:24,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:32:24,720 INFO L225 Difference]: With dead ends: 108696 [2022-11-25 23:32:24,721 INFO L226 Difference]: Without dead ends: 71703 [2022-11-25 23:32:24,883 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 23:32:24,884 INFO L413 NwaCegarLoop]: 2154 mSDtfsCounter, 1409 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 3404 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:32:24,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1409 Valid, 3404 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-25 23:32:24,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71703 states. [2022-11-25 23:32:29,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71703 to 71701. [2022-11-25 23:32:29,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71701 states, 43934 states have (on average 1.2912323029999544) internal successors, (56729), 45316 states have internal predecessors, (56729), 20758 states have call successors, (20758), 7008 states have call predecessors, (20758), 7008 states have return successors, (20758), 20020 states have call predecessors, (20758), 20758 states have call successors, (20758) [2022-11-25 23:32:29,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71701 states to 71701 states and 98245 transitions. [2022-11-25 23:32:29,788 INFO L78 Accepts]: Start accepts. Automaton has 71701 states and 98245 transitions. Word has length 295 [2022-11-25 23:32:29,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:32:29,789 INFO L495 AbstractCegarLoop]: Abstraction has 71701 states and 98245 transitions. [2022-11-25 23:32:29,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-25 23:32:29,790 INFO L276 IsEmpty]: Start isEmpty. Operand 71701 states and 98245 transitions. [2022-11-25 23:32:29,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-11-25 23:32:29,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:32:29,813 INFO L195 NwaCegarLoop]: trace histogram [26, 15, 15, 15, 15, 15, 15, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:32:29,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:32:29,814 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:32:29,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:32:29,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1428248424, now seen corresponding path program 1 times [2022-11-25 23:32:29,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:32:29,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066132023] [2022-11-25 23:32:29,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:32:29,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:32:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:32:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2022-11-25 23:32:36,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:32:36,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066132023] [2022-11-25 23:32:36,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066132023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:32:36,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:32:36,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:32:36,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555384639] [2022-11-25 23:32:36,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:32:36,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:32:36,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:32:36,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:32:36,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:32:36,441 INFO L87 Difference]: Start difference. First operand 71701 states and 98245 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 23:32:51,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:32:51,115 INFO L93 Difference]: Finished difference Result 119519 states and 164204 transitions. [2022-11-25 23:32:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:32:51,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 316 [2022-11-25 23:32:51,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:32:52,187 INFO L225 Difference]: With dead ends: 119519 [2022-11-25 23:32:52,187 INFO L226 Difference]: Without dead ends: 119517 [2022-11-25 23:32:52,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:32:52,238 INFO L413 NwaCegarLoop]: 1559 mSDtfsCounter, 1048 mSDsluCounter, 5350 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 6909 SdHoareTripleChecker+Invalid, 1819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:32:52,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 6909 Invalid, 1819 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-11-25 23:32:52,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119517 states.