./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW --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 20ba2e9cc2ef279759182db9390a81601d500e95b3e9fdb04cf7f5f978bf9c45 --- 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-4e7fbc6 [2022-11-23 15:37:34,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:37:34,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:37:34,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:37:34,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:37:34,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:37:34,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:37:34,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:37:34,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:37:34,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:37:34,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:37:34,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:37:34,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:37:34,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:37:34,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:37:34,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:37:34,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:37:34,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:37:34,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:37:34,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:37:34,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:37:34,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:37:34,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:37:34,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:37:34,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:37:34,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:37:34,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:37:34,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:37:34,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:37:34,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:37:34,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:37:34,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:37:34,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:37:34,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:37:34,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:37:34,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:37:34,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:37:34,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:37:34,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:37:34,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:37:34,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:37:34,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:37:34,556 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:37:34,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:37:34,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:37:34,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:37:34,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:37:34,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:37:34,559 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:37:34,560 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:37:34,560 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:37:34,560 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:37:34,561 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:37:34,561 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:37:34,561 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:37:34,562 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:37:34,562 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:37:34,562 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:37:34,562 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:37:34,563 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:37:34,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:37:34,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:37:34,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:37:34,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:37:34,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:37:34,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:37:34,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:37:34,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:37:34,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:37:34,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:37:34,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:37:34,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:37:34,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:37:34,566 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:37:34,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:37:34,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:37:34,567 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:37:34,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:37:34,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:37:34,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:37:34,568 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_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20ba2e9cc2ef279759182db9390a81601d500e95b3e9fdb04cf7f5f978bf9c45 [2022-11-23 15:37:34,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:37:34,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:37:34,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:37:34,916 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:37:34,917 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:37:34,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-23 15:37:37,865 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:37:38,919 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:37:38,922 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-23 15:37:38,987 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/data/17b7fdabf/36bfa4a0f93c4bc6b2defb77369e3cc4/FLAG133d75985 [2022-11-23 15:37:39,418 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/data/17b7fdabf/36bfa4a0f93c4bc6b2defb77369e3cc4 [2022-11-23 15:37:39,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:37:39,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:37:39,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:37:39,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:37:39,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:37:39,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:39" (1/1) ... [2022-11-23 15:37:39,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59999512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39, skipping insertion in model container [2022-11-23 15:37:39,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:39" (1/1) ... [2022-11-23 15:37:39,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:37:39,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:37:46,696 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_45337c1d-9267-442b-8427-38ff4d6bdde3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885586,885599] [2022-11-23 15:37:46,703 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_45337c1d-9267-442b-8427-38ff4d6bdde3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885733,885746] [2022-11-23 15:37:46,703 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_45337c1d-9267-442b-8427-38ff4d6bdde3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885872,885885] [2022-11-23 15:37:46,704 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_45337c1d-9267-442b-8427-38ff4d6bdde3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[886030,886043] [2022-11-23 15:37:46,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:37:46,974 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:37:47,984 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_45337c1d-9267-442b-8427-38ff4d6bdde3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885586,885599] [2022-11-23 15:37:47,985 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_45337c1d-9267-442b-8427-38ff4d6bdde3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885733,885746] [2022-11-23 15:37:47,985 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_45337c1d-9267-442b-8427-38ff4d6bdde3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[885872,885885] [2022-11-23 15:37:47,986 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_45337c1d-9267-442b-8427-38ff4d6bdde3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[886030,886043] [2022-11-23 15:37:47,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:37:48,329 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:37:48,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48 WrapperNode [2022-11-23 15:37:48,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:37:48,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:37:48,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:37:48,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:37:48,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (1/1) ... [2022-11-23 15:37:48,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (1/1) ... [2022-11-23 15:37:49,640 INFO L138 Inliner]: procedures = 581, calls = 10819, calls flagged for inlining = 348, calls inlined = 340, statements flattened = 25701 [2022-11-23 15:37:49,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:37:49,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:37:49,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:37:49,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:37:49,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (1/1) ... [2022-11-23 15:37:49,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (1/1) ... [2022-11-23 15:37:49,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (1/1) ... [2022-11-23 15:37:49,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (1/1) ... [2022-11-23 15:37:50,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (1/1) ... [2022-11-23 15:37:50,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (1/1) ... [2022-11-23 15:37:50,960 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (1/1) ... [2022-11-23 15:37:51,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (1/1) ... [2022-11-23 15:37:51,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:37:51,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:37:51,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:37:51,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:37:51,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (1/1) ... [2022-11-23 15:37:51,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:37:51,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:37:51,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:37:51,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45337c1d-9267-442b-8427-38ff4d6bdde3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:37:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2022-11-23 15:37:51,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2022-11-23 15:37:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2022-11-23 15:37:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2022-11-23 15:37:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2022-11-23 15:37:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2022-11-23 15:37:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-23 15:37:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-23 15:37:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:37:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:37:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2022-11-23 15:37:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2022-11-23 15:37:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2022-11-23 15:37:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2022-11-23 15:37:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-23 15:37:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-23 15:37:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2022-11-23 15:37:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2022-11-23 15:37:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2022-11-23 15:37:51,314 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2022-11-23 15:37:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2022-11-23 15:37:51,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2022-11-23 15:37:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-23 15:37:51,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-23 15:37:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:37:51,315 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:37:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 15:37:51,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 15:37:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:37:51,316 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:37:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2022-11-23 15:37:51,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2022-11-23 15:37:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2022-11-23 15:37:51,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2022-11-23 15:37:51,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2022-11-23 15:37:51,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2022-11-23 15:37:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2022-11-23 15:37:51,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2022-11-23 15:37:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:37:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-23 15:37:51,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-23 15:37:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:37:51,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:37:51,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-23 15:37:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2022-11-23 15:37:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-23 15:37:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2022-11-23 15:37:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2022-11-23 15:37:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2022-11-23 15:37:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:37:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:37:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 15:37:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 15:37:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2022-11-23 15:37:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2022-11-23 15:37:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2022-11-23 15:37:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2022-11-23 15:37:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2022-11-23 15:37:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2022-11-23 15:37:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:37:51,322 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2022-11-23 15:37:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2022-11-23 15:37:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 15:37:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 15:37:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2022-11-23 15:37:51,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2022-11-23 15:37:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2022-11-23 15:37:51,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2022-11-23 15:37:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-23 15:37:51,325 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-23 15:37:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 15:37:51,325 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 15:37:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-23 15:37:51,326 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-23 15:37:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:37:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2022-11-23 15:37:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2022-11-23 15:37:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:37:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:37:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-23 15:37:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-23 15:37:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:37:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:37:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:37:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2022-11-23 15:37:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2022-11-23 15:37:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:37:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2022-11-23 15:37:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2022-11-23 15:37:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:37:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:37:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:37:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:37:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2022-11-23 15:37:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2022-11-23 15:37:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:37:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:37:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-23 15:37:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-23 15:37:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-23 15:37:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-23 15:37:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2022-11-23 15:37:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2022-11-23 15:37:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2022-11-23 15:37:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2022-11-23 15:37:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-23 15:37:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-23 15:37:51,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-23 15:37:51,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-23 15:37:51,339 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2022-11-23 15:37:51,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2022-11-23 15:37:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2022-11-23 15:37:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2022-11-23 15:37:51,340 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2022-11-23 15:37:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2022-11-23 15:37:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-23 15:37:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-23 15:37:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-23 15:37:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-23 15:37:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:37:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 15:37:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 15:37:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-23 15:37:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-23 15:37:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 15:37:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 15:37:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-23 15:37:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-23 15:37:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 15:37:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 15:37:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2022-11-23 15:37:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2022-11-23 15:37:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:37:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:37:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:37:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:37:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:37:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:37:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:37:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2022-11-23 15:37:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2022-11-23 15:37:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:37:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:37:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:37:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:37:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2022-11-23 15:37:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2022-11-23 15:37:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2022-11-23 15:37:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2022-11-23 15:37:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 15:37:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 15:37:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2022-11-23 15:37:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2022-11-23 15:37:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2022-11-23 15:37:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2022-11-23 15:37:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2022-11-23 15:37:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2022-11-23 15:37:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-23 15:37:51,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-23 15:37:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2022-11-23 15:37:51,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2022-11-23 15:37:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2022-11-23 15:37:51,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2022-11-23 15:37:51,356 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2022-11-23 15:37:51,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2022-11-23 15:37:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2022-11-23 15:37:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2022-11-23 15:37:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2022-11-23 15:37:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2022-11-23 15:37:51,357 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-23 15:37:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2022-11-23 15:37:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2022-11-23 15:37:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2022-11-23 15:37:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:37:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:37:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-23 15:37:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-23 15:37:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2022-11-23 15:37:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2022-11-23 15:37:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2022-11-23 15:37:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2022-11-23 15:37:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:37:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:37:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:37:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:37:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2022-11-23 15:37:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2022-11-23 15:37:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-23 15:37:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-23 15:37:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 15:37:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 15:37:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-23 15:37:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-23 15:37:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-23 15:37:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-23 15:37:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2022-11-23 15:37:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2022-11-23 15:37:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2022-11-23 15:37:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2022-11-23 15:37:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-23 15:37:51,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-23 15:37:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2022-11-23 15:37:51,511 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2022-11-23 15:37:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-23 15:37:51,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-23 15:37:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-23 15:37:51,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-23 15:37:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 15:37:51,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 15:37:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2022-11-23 15:37:51,511 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2022-11-23 15:37:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:37:51,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:37:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-23 15:37:51,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-23 15:37:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2022-11-23 15:37:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2022-11-23 15:37:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 15:37:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 15:37:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2022-11-23 15:37:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2022-11-23 15:37:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2022-11-23 15:37:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2022-11-23 15:37:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2022-11-23 15:37:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2022-11-23 15:37:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2022-11-23 15:37:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2022-11-23 15:37:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2022-11-23 15:37:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2022-11-23 15:37:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:37:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-23 15:37:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-23 15:37:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:37:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2022-11-23 15:37:51,512 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2022-11-23 15:37:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2022-11-23 15:37:51,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2022-11-23 15:37:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2022-11-23 15:37:51,513 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2022-11-23 15:37:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-23 15:37:51,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-23 15:37:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-23 15:37:51,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-23 15:37:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:37:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:37:51,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:37:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-23 15:37:51,513 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-23 15:37:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 15:37:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 15:37:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-23 15:37:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2022-11-23 15:37:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 15:37:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 15:37:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___6 [2022-11-23 15:37:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___6 [2022-11-23 15:37:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:37:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:37:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2022-11-23 15:37:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2022-11-23 15:37:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2022-11-23 15:37:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2022-11-23 15:37:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-23 15:37:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-23 15:37:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-23 15:37:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2022-11-23 15:37:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2022-11-23 15:37:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2022-11-23 15:37:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-23 15:37:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-23 15:37:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-23 15:37:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-23 15:37:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-23 15:37:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-23 15:37:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2022-11-23 15:37:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2022-11-23 15:37:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2022-11-23 15:37:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2022-11-23 15:37:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 15:37:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 15:37:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-23 15:37:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-23 15:37:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2022-11-23 15:37:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2022-11-23 15:37:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2022-11-23 15:37:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2022-11-23 15:37:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2022-11-23 15:37:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2022-11-23 15:37:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2022-11-23 15:37:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2022-11-23 15:37:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:37:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2022-11-23 15:37:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2022-11-23 15:37:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:37:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:37:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-23 15:37:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-23 15:37:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2022-11-23 15:37:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2022-11-23 15:37:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2022-11-23 15:37:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2022-11-23 15:37:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-23 15:37:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-23 15:37:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-23 15:37:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-23 15:37:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2022-11-23 15:37:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2022-11-23 15:37:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2022-11-23 15:37:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2022-11-23 15:37:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-23 15:37:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-23 15:37:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2022-11-23 15:37:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2022-11-23 15:37:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-23 15:37:51,518 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-23 15:37:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-23 15:37:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-23 15:37:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:37:51,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:37:51,521 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2022-11-23 15:37:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2022-11-23 15:37:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 15:37:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 15:37:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-23 15:37:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-23 15:37:51,522 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2022-11-23 15:37:51,522 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2022-11-23 15:37:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2022-11-23 15:37:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2022-11-23 15:37:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 15:37:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 15:37:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 15:37:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 15:37:51,523 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2022-11-23 15:37:51,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2022-11-23 15:37:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:37:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-23 15:37:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-23 15:37:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-23 15:37:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2022-11-23 15:37:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 15:37:51,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 15:37:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2022-11-23 15:37:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2022-11-23 15:37:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-23 15:37:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-23 15:37:53,708 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:37:53,713 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:37:58,050 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:40:04,049 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 15:40:04,661 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:40:15,701 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:40:15,701 INFO L300 CfgBuilder]: Removed 19 assume(true) statements. [2022-11-23 15:40:15,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:15 BoogieIcfgContainer [2022-11-23 15:40:15,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:40:15,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:40:15,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:40:15,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:40:15,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:37:39" (1/3) ... [2022-11-23 15:40:15,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b79376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:15, skipping insertion in model container [2022-11-23 15:40:15,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:48" (2/3) ... [2022-11-23 15:40:15,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b79376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:15, skipping insertion in model container [2022-11-23 15:40:15,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:15" (3/3) ... [2022-11-23 15:40:15,720 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2022-11-23 15:40:15,744 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:40:15,744 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:40:15,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:40:15,932 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;@5d06443a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:40:15,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:40:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 6057 states, 3697 states have (on average 1.3716526913713822) internal successors, (5071), 3861 states have internal predecessors, (5071), 2203 states have call successors, (2203), 164 states have call predecessors, (2203), 163 states have return successors, (2193), 2124 states have call predecessors, (2193), 2193 states have call successors, (2193) [2022-11-23 15:40:16,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-23 15:40:16,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:40:16,007 INFO L195 NwaCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 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] [2022-11-23 15:40:16,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:40:16,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:40:16,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1314428584, now seen corresponding path program 1 times [2022-11-23 15:40:16,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:40:16,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170734594] [2022-11-23 15:40:16,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:16,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:40:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:40:18,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2022-11-23 15:40:18,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:40:18,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170734594] [2022-11-23 15:40:18,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170734594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:40:18,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:40:18,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:40:18,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876216005] [2022-11-23 15:40:18,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:40:18,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:40:18,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:40:19,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:40:19,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:40:19,076 INFO L87 Difference]: Start difference. First operand has 6057 states, 3697 states have (on average 1.3716526913713822) internal successors, (5071), 3861 states have internal predecessors, (5071), 2203 states have call successors, (2203), 164 states have call predecessors, (2203), 163 states have return successors, (2193), 2124 states have call predecessors, (2193), 2193 states have call successors, (2193) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 15:40:22,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:25,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:30,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:33,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:37,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:40,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:42,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:44,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:46,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:49,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:40:49,478 INFO L93 Difference]: Finished difference Result 11439 states and 17652 transitions. [2022-11-23 15:40:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:40:49,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 293 [2022-11-23 15:40:49,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:40:49,567 INFO L225 Difference]: With dead ends: 11439 [2022-11-23 15:40:49,568 INFO L226 Difference]: Without dead ends: 6676 [2022-11-23 15:40:49,610 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 [2022-11-23 15:40:49,617 INFO L413 NwaCegarLoop]: 6743 mSDtfsCounter, 5573 mSDsluCounter, 5379 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 21 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5579 SdHoareTripleChecker+Valid, 12122 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:40:49,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5579 Valid, 12122 Invalid, 1199 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 1169 Invalid, 9 Unknown, 0 Unchecked, 29.7s Time] [2022-11-23 15:40:49,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2022-11-23 15:40:50,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6668. [2022-11-23 15:40:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6668 states, 4258 states have (on average 1.356270549553781) internal successors, (5775), 4390 states have internal predecessors, (5775), 2173 states have call successors, (2173), 236 states have call predecessors, (2173), 235 states have return successors, (2174), 2104 states have call predecessors, (2174), 2170 states have call successors, (2174) [2022-11-23 15:40:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6668 states to 6668 states and 10122 transitions. [2022-11-23 15:40:50,539 INFO L78 Accepts]: Start accepts. Automaton has 6668 states and 10122 transitions. Word has length 293 [2022-11-23 15:40:50,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:40:50,541 INFO L495 AbstractCegarLoop]: Abstraction has 6668 states and 10122 transitions. [2022-11-23 15:40:50,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 15:40:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 6668 states and 10122 transitions. [2022-11-23 15:40:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-23 15:40:50,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:40:50,554 INFO L195 NwaCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:40:50,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:40:50,554 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:40:50,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:40:50,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1505955871, now seen corresponding path program 1 times [2022-11-23 15:40:50,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:40:50,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797788469] [2022-11-23 15:40:50,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:50,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:40:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:40:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2022-11-23 15:40:52,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:40:52,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797788469] [2022-11-23 15:40:52,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797788469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:40:52,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:40:52,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:40:52,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387556165] [2022-11-23 15:40:52,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:40:52,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:40:52,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:40:52,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:40:52,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:40:52,636 INFO L87 Difference]: Start difference. First operand 6668 states and 10122 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-23 15:40:55,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:59,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:03,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:07,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:09,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:11,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:14,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:16,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:18,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:41:18,009 INFO L93 Difference]: Finished difference Result 16421 states and 24934 transitions. [2022-11-23 15:41:18,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:41:18,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 301 [2022-11-23 15:41:18,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:41:18,136 INFO L225 Difference]: With dead ends: 16421 [2022-11-23 15:41:18,138 INFO L226 Difference]: Without dead ends: 9808 [2022-11-23 15:41:18,169 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 [2022-11-23 15:41:18,171 INFO L413 NwaCegarLoop]: 5790 mSDtfsCounter, 4813 mSDsluCounter, 4695 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 16 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4819 SdHoareTripleChecker+Valid, 10485 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:41:18,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4819 Valid, 10485 Invalid, 1100 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 1076 Invalid, 8 Unknown, 0 Unchecked, 24.8s Time] [2022-11-23 15:41:18,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9808 states. [2022-11-23 15:41:19,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9808 to 9793. [2022-11-23 15:41:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9793 states, 6261 states have (on average 1.354416227439706) internal successors, (8480), 6463 states have internal predecessors, (8480), 3183 states have call successors, (3183), 349 states have call predecessors, (3183), 347 states have return successors, (3188), 3074 states have call predecessors, (3188), 3180 states have call successors, (3188) [2022-11-23 15:41:19,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9793 states to 9793 states and 14851 transitions. [2022-11-23 15:41:19,068 INFO L78 Accepts]: Start accepts. Automaton has 9793 states and 14851 transitions. Word has length 301 [2022-11-23 15:41:19,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:41:19,069 INFO L495 AbstractCegarLoop]: Abstraction has 9793 states and 14851 transitions. [2022-11-23 15:41:19,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-23 15:41:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 9793 states and 14851 transitions. [2022-11-23 15:41:19,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-23 15:41:19,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:19,080 INFO L195 NwaCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 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] [2022-11-23 15:41:19,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:41:19,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:41:19,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:19,081 INFO L85 PathProgramCache]: Analyzing trace with hash -709561570, now seen corresponding path program 1 times [2022-11-23 15:41:19,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:41:19,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817155412] [2022-11-23 15:41:19,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:19,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:41:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:20,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2022-11-23 15:41:20,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:41:20,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817155412] [2022-11-23 15:41:20,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817155412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:41:20,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:41:20,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:41:20,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941994011] [2022-11-23 15:41:20,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:41:20,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:41:20,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:41:20,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:41:20,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:41:20,457 INFO L87 Difference]: Start difference. First operand 9793 states and 14851 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-23 15:41:23,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:26,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:30,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:34,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:36,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:40,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:42,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:44,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:45,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:41:45,572 INFO L93 Difference]: Finished difference Result 25837 states and 39199 transitions. [2022-11-23 15:41:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:41:45,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 320 [2022-11-23 15:41:45,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:41:45,691 INFO L225 Difference]: With dead ends: 25837 [2022-11-23 15:41:45,692 INFO L226 Difference]: Without dead ends: 16099 [2022-11-23 15:41:45,739 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 [2022-11-23 15:41:45,740 INFO L413 NwaCegarLoop]: 5871 mSDtfsCounter, 4867 mSDsluCounter, 4706 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4871 SdHoareTripleChecker+Valid, 10577 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:41:45,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4871 Valid, 10577 Invalid, 1105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1086 Invalid, 7 Unknown, 0 Unchecked, 24.5s Time] [2022-11-23 15:41:45,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16099 states. [2022-11-23 15:41:47,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16099 to 16081. [2022-11-23 15:41:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16081 states, 10287 states have (on average 1.3538446583066006) internal successors, (13927), 10632 states have internal predecessors, (13927), 5223 states have call successors, (5223), 572 states have call predecessors, (5223), 569 states have return successors, (5234), 5033 states have call predecessors, (5234), 5220 states have call successors, (5234) [2022-11-23 15:41:47,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16081 states to 16081 states and 24384 transitions. [2022-11-23 15:41:47,442 INFO L78 Accepts]: Start accepts. Automaton has 16081 states and 24384 transitions. Word has length 320 [2022-11-23 15:41:47,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:41:47,443 INFO L495 AbstractCegarLoop]: Abstraction has 16081 states and 24384 transitions. [2022-11-23 15:41:47,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-23 15:41:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 16081 states and 24384 transitions. [2022-11-23 15:41:47,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2022-11-23 15:41:47,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:47,459 INFO L195 NwaCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 5, 5, 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] [2022-11-23 15:41:47,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:41:47,460 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:41:47,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:47,460 INFO L85 PathProgramCache]: Analyzing trace with hash 749521973, now seen corresponding path program 1 times [2022-11-23 15:41:47,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:41:47,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124291350] [2022-11-23 15:41:47,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:47,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:41:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:50,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3070 trivial. 0 not checked. [2022-11-23 15:41:50,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:41:50,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124291350] [2022-11-23 15:41:50,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124291350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:41:50,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:41:50,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:41:50,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860559979] [2022-11-23 15:41:50,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:41:50,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:41:50,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:41:50,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:41:50,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:41:50,810 INFO L87 Difference]: Start difference. First operand 16081 states and 24384 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-23 15:41:53,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:57,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:02,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:03,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:08,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:10,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:12,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:15,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:18,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:19,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:19,875 INFO L93 Difference]: Finished difference Result 28865 states and 43780 transitions. [2022-11-23 15:42:19,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:42:19,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 337 [2022-11-23 15:42:19,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:20,075 INFO L225 Difference]: With dead ends: 28865 [2022-11-23 15:42:20,075 INFO L226 Difference]: Without dead ends: 28826 [2022-11-23 15:42:20,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:42:20,097 INFO L413 NwaCegarLoop]: 5935 mSDtfsCounter, 4934 mSDsluCounter, 10582 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4940 SdHoareTripleChecker+Valid, 16517 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:20,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4940 Valid, 16517 Invalid, 1639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1631 Invalid, 8 Unknown, 0 Unchecked, 28.2s Time] [2022-11-23 15:42:20,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28826 states. [2022-11-23 15:42:23,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28826 to 28817. [2022-11-23 15:42:23,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28817 states, 18443 states have (on average 1.3542807569267472) internal successors, (24977), 19058 states have internal predecessors, (24977), 9348 states have call successors, (9348), 1027 states have call predecessors, (9348), 1024 states have return successors, (9375), 9012 states have call predecessors, (9375), 9345 states have call successors, (9375) [2022-11-23 15:42:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28817 states to 28817 states and 43700 transitions. [2022-11-23 15:42:23,317 INFO L78 Accepts]: Start accepts. Automaton has 28817 states and 43700 transitions. Word has length 337 [2022-11-23 15:42:23,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:23,318 INFO L495 AbstractCegarLoop]: Abstraction has 28817 states and 43700 transitions. [2022-11-23 15:42:23,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-23 15:42:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 28817 states and 43700 transitions. [2022-11-23 15:42:23,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-11-23 15:42:23,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:23,346 INFO L195 NwaCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:42:23,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:42:23,346 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:42:23,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:23,347 INFO L85 PathProgramCache]: Analyzing trace with hash -400196584, now seen corresponding path program 1 times [2022-11-23 15:42:23,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:23,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724426691] [2022-11-23 15:42:23,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:23,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3054 trivial. 0 not checked. [2022-11-23 15:42:25,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:25,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724426691] [2022-11-23 15:42:25,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724426691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:25,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:25,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:42:25,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912873562] [2022-11-23 15:42:25,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:25,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:42:25,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:25,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:42:25,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:42:25,497 INFO L87 Difference]: Start difference. First operand 28817 states and 43700 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, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-23 15:42:28,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:32,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:35,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:39,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:42,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:44,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:46,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:49,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:51,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:51,163 INFO L93 Difference]: Finished difference Result 67131 states and 101847 transitions. [2022-11-23 15:42:51,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:42:51,164 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, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 350 [2022-11-23 15:42:51,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:51,434 INFO L225 Difference]: With dead ends: 67131 [2022-11-23 15:42:51,435 INFO L226 Difference]: Without dead ends: 41445 [2022-11-23 15:42:51,545 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 [2022-11-23 15:42:51,545 INFO L413 NwaCegarLoop]: 9090 mSDtfsCounter, 4807 mSDsluCounter, 4693 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 15 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4813 SdHoareTripleChecker+Valid, 13783 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:51,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4813 Valid, 13783 Invalid, 1542 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1519 Invalid, 8 Unknown, 0 Unchecked, 24.2s Time] [2022-11-23 15:42:51,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41445 states. [2022-11-23 15:42:55,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41445 to 41425. [2022-11-23 15:42:55,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41425 states, 26517 states have (on average 1.354037032846853) internal successors, (35905), 27410 states have internal predecessors, (35905), 13434 states have call successors, (13434), 1477 states have call predecessors, (13434), 1472 states have return successors, (13477), 12942 states have call predecessors, (13477), 13431 states have call successors, (13477) [2022-11-23 15:42:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41425 states to 41425 states and 62816 transitions. [2022-11-23 15:42:55,293 INFO L78 Accepts]: Start accepts. Automaton has 41425 states and 62816 transitions. Word has length 350 [2022-11-23 15:42:55,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:55,296 INFO L495 AbstractCegarLoop]: Abstraction has 41425 states and 62816 transitions. [2022-11-23 15:42:55,296 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, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-23 15:42:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 41425 states and 62816 transitions. [2022-11-23 15:42:55,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-11-23 15:42:55,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:55,325 INFO L195 NwaCegarLoop]: trace histogram [29, 27, 27, 27, 27, 27, 27, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:42:55,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:42:55,325 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:42:55,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:55,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1511072430, now seen corresponding path program 1 times [2022-11-23 15:42:55,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:55,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275246106] [2022-11-23 15:42:55,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:55,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2939 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2936 trivial. 0 not checked. [2022-11-23 15:43:00,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:00,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275246106] [2022-11-23 15:43:00,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275246106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:00,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:00,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:43:00,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586642080] [2022-11-23 15:43:00,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:00,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:43:00,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:00,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:43:00,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:43:00,833 INFO L87 Difference]: Start difference. First operand 41425 states and 62816 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-23 15:43:03,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:08,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:11,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:16,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:18,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:21,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:23,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:26,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:26,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:26,478 INFO L93 Difference]: Finished difference Result 106600 states and 161331 transitions. [2022-11-23 15:43:26,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:43:26,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 361 [2022-11-23 15:43:26,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:26,935 INFO L225 Difference]: With dead ends: 106600 [2022-11-23 15:43:26,936 INFO L226 Difference]: Without dead ends: 65230 [2022-11-23 15:43:27,102 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 [2022-11-23 15:43:27,104 INFO L413 NwaCegarLoop]: 5641 mSDtfsCounter, 3246 mSDsluCounter, 4625 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 15 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3248 SdHoareTripleChecker+Valid, 10266 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:27,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3248 Valid, 10266 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1195 Invalid, 7 Unknown, 0 Unchecked, 23.0s Time] [2022-11-23 15:43:27,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65230 states. [2022-11-23 15:43:31,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65230 to 65195. [2022-11-23 15:43:31,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65195 states, 41529 states have (on average 1.3466252498254232) internal successors, (55924), 43029 states have internal predecessors, (55924), 21204 states have call successors, (21204), 2469 states have call predecessors, (21204), 2460 states have return successors, (21267), 20371 states have call predecessors, (21267), 21201 states have call successors, (21267) [2022-11-23 15:43:32,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65195 states to 65195 states and 98395 transitions. [2022-11-23 15:43:32,464 INFO L78 Accepts]: Start accepts. Automaton has 65195 states and 98395 transitions. Word has length 361 [2022-11-23 15:43:32,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:32,465 INFO L495 AbstractCegarLoop]: Abstraction has 65195 states and 98395 transitions. [2022-11-23 15:43:32,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-23 15:43:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 65195 states and 98395 transitions. [2022-11-23 15:43:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-11-23 15:43:32,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:32,519 INFO L195 NwaCegarLoop]: trace histogram [32, 27, 27, 27, 27, 27, 27, 6, 6, 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] [2022-11-23 15:43:32,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:43:32,519 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:43:32,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:32,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1517929363, now seen corresponding path program 1 times [2022-11-23 15:43:32,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:32,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691188573] [2022-11-23 15:43:32,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:32,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3152 trivial. 0 not checked. [2022-11-23 15:43:33,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:33,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691188573] [2022-11-23 15:43:33,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691188573] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:33,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:33,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:43:33,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213950482] [2022-11-23 15:43:33,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:33,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:43:33,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:33,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:43:33,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:43:33,926 INFO L87 Difference]: Start difference. First operand 65195 states and 98395 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-23 15:43:36,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:42,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:45,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:50,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:52,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:54,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:55,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:57,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:00,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:01,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:04,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:07,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:44:07,209 INFO L93 Difference]: Finished difference Result 159529 states and 240884 transitions. [2022-11-23 15:44:07,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:44:07,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 381 [2022-11-23 15:44:07,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:44:08,180 INFO L225 Difference]: With dead ends: 159529 [2022-11-23 15:44:08,180 INFO L226 Difference]: Without dead ends: 96355 [2022-11-23 15:44:08,377 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 [2022-11-23 15:44:08,378 INFO L413 NwaCegarLoop]: 9140 mSDtfsCounter, 4867 mSDsluCounter, 4704 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 9 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4871 SdHoareTripleChecker+Valid, 13844 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:44:08,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4871 Valid, 13844 Invalid, 1538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1522 Invalid, 7 Unknown, 0 Unchecked, 29.7s Time] [2022-11-23 15:44:08,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96355 states. [2022-11-23 15:44:14,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96355 to 96317. [2022-11-23 15:44:14,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96317 states, 61368 states have (on average 1.3465160995958807) internal successors, (82633), 63608 states have internal predecessors, (82633), 31322 states have call successors, (31322), 3638 states have call predecessors, (31322), 3625 states have return successors, (31418), 30071 states have call predecessors, (31418), 31319 states have call successors, (31418) [2022-11-23 15:44:15,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96317 states to 96317 states and 145373 transitions. [2022-11-23 15:44:15,351 INFO L78 Accepts]: Start accepts. Automaton has 96317 states and 145373 transitions. Word has length 381 [2022-11-23 15:44:15,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:44:15,352 INFO L495 AbstractCegarLoop]: Abstraction has 96317 states and 145373 transitions. [2022-11-23 15:44:15,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-23 15:44:15,352 INFO L276 IsEmpty]: Start isEmpty. Operand 96317 states and 145373 transitions. [2022-11-23 15:44:15,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-11-23 15:44:15,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:15,448 INFO L195 NwaCegarLoop]: trace histogram [34, 27, 27, 27, 27, 27, 27, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:44:15,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:44:15,448 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:44:15,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:15,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1134087747, now seen corresponding path program 1 times [2022-11-23 15:44:15,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:44:15,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685642588] [2022-11-23 15:44:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:15,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:44:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:44:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3311 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3311 trivial. 0 not checked. [2022-11-23 15:44:18,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:44:18,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685642588] [2022-11-23 15:44:18,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685642588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:44:18,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:44:18,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:44:18,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897362187] [2022-11-23 15:44:18,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:44:18,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:44:18,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:44:18,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:44:18,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:44:18,662 INFO L87 Difference]: Start difference. First operand 96317 states and 145373 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-23 15:44:21,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:26,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:29,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:33,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:35,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:37,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:39,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:41,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:44,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:47,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:49,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:51,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:44:51,708 INFO L93 Difference]: Finished difference Result 96580 states and 145708 transitions. [2022-11-23 15:44:51,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:44:51,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 404 [2022-11-23 15:44:51,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:44:52,174 INFO L225 Difference]: With dead ends: 96580 [2022-11-23 15:44:52,175 INFO L226 Difference]: Without dead ends: 96578 [2022-11-23 15:44:52,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:44:52,224 INFO L413 NwaCegarLoop]: 5860 mSDtfsCounter, 4914 mSDsluCounter, 10505 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4918 SdHoareTripleChecker+Valid, 16365 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:44:52,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4918 Valid, 16365 Invalid, 1595 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1586 Invalid, 8 Unknown, 0 Unchecked, 30.4s Time] [2022-11-23 15:44:52,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96578 states.