./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-rtl8192de-rtl8192de.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba --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 fe8c8383e77668fbc525c665ed4808e26fcf56c95e01d7d854f2bccf527db7a4 --- 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-b5237d8 [2022-11-22 00:08:02,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:08:02,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:08:02,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:08:02,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:08:02,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:08:02,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:08:02,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:08:02,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:08:02,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:08:02,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:08:02,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:08:02,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:08:02,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:08:02,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:08:02,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:08:02,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:08:02,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:08:02,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:08:02,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:08:02,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:08:02,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:08:02,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:08:02,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:08:02,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:08:02,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:08:02,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:08:02,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:08:02,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:08:02,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:08:02,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:08:02,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:08:02,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:08:02,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:08:02,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:08:02,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:08:02,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:08:02,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:08:02,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:08:02,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:08:02,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:08:02,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:08:02,965 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:08:02,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:08:02,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:08:02,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:08:02,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:08:02,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:08:02,968 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:08:02,969 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:08:02,969 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:08:02,969 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:08:02,970 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:08:02,971 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:08:02,971 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:08:02,971 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:08:02,971 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:08:02,972 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:08:02,972 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:08:02,972 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:08:02,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:08:02,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:08:02,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:08:02,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:08:02,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:08:02,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:08:02,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:08:02,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:08:02,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:08:02,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:08:02,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:08:02,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:08:02,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:08:02,977 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:08:02,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:08:02,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:08:02,977 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:08:02,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:08:02,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:08:02,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:08:02,978 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_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe8c8383e77668fbc525c665ed4808e26fcf56c95e01d7d854f2bccf527db7a4 [2022-11-22 00:08:03,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:08:03,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:08:03,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:08:03,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:08:03,362 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:08:03,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2022-11-22 00:08:06,538 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:08:07,809 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:08:07,810 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2022-11-22 00:08:07,954 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/data/ea66be061/03f24f03192845c791bb331d4befe5b1/FLAG5c4563afc [2022-11-22 00:08:07,975 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/data/ea66be061/03f24f03192845c791bb331d4befe5b1 [2022-11-22 00:08:07,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:08:07,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:08:07,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:08:07,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:08:07,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:08:07,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:08:07" (1/1) ... [2022-11-22 00:08:07,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5677b7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:07, skipping insertion in model container [2022-11-22 00:08:07,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:08:07" (1/1) ... [2022-11-22 00:08:08,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:08:08,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:08:17,214 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_cca94a91-136d-4caf-9396-ca34931111e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[985614,985627] [2022-11-22 00:08:17,227 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_cca94a91-136d-4caf-9396-ca34931111e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[985761,985774] [2022-11-22 00:08:17,228 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_cca94a91-136d-4caf-9396-ca34931111e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[985900,985913] [2022-11-22 00:08:17,230 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_cca94a91-136d-4caf-9396-ca34931111e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[986058,986071] [2022-11-22 00:08:17,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:08:17,506 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:08:19,017 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_cca94a91-136d-4caf-9396-ca34931111e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[985614,985627] [2022-11-22 00:08:19,017 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_cca94a91-136d-4caf-9396-ca34931111e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[985761,985774] [2022-11-22 00:08:19,017 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_cca94a91-136d-4caf-9396-ca34931111e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[985900,985913] [2022-11-22 00:08:19,018 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_cca94a91-136d-4caf-9396-ca34931111e7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i[986058,986071] [2022-11-22 00:08:19,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:08:19,564 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:08:19,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19 WrapperNode [2022-11-22 00:08:19,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:08:19,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:08:19,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:08:19,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:08:19,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (1/1) ... [2022-11-22 00:08:20,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (1/1) ... [2022-11-22 00:08:20,883 INFO L138 Inliner]: procedures = 508, calls = 13903, calls flagged for inlining = 293, calls inlined = 280, statements flattened = 26346 [2022-11-22 00:08:20,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:08:20,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:08:20,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:08:20,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:08:20,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (1/1) ... [2022-11-22 00:08:20,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (1/1) ... [2022-11-22 00:08:21,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (1/1) ... [2022-11-22 00:08:21,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (1/1) ... [2022-11-22 00:08:21,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (1/1) ... [2022-11-22 00:08:21,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (1/1) ... [2022-11-22 00:08:22,080 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (1/1) ... [2022-11-22 00:08:22,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (1/1) ... [2022-11-22 00:08:22,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:08:22,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:08:22,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:08:22,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:08:22,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (1/1) ... [2022-11-22 00:08:22,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:08:22,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:08:22,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:08:22,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca94a91-136d-4caf-9396-ca34931111e7/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:08:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_rf_reg [2022-11-22 00:08:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_rf_reg [2022-11-22 00:08:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_enable_interrupt [2022-11-22 00:08:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_enable_interrupt [2022-11-22 00:08:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_query_bb_reg [2022-11-22 00:08:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_query_bb_reg [2022-11-22 00:08:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 00:08:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 00:08:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-11-22 00:08:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-11-22 00:08:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_deinit_sw_vars [2022-11-22 00:08:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_deinit_sw_vars [2022-11-22 00:08:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_pathb_fill_iqk_matrix [2022-11-22 00:08:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_pathb_fill_iqk_matrix [2022-11-22 00:08:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-11-22 00:08:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-11-22 00:08:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 00:08:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 00:08:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_is_fw_downloaded [2022-11-22 00:08:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_is_fw_downloaded [2022-11-22 00:08:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 00:08:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 00:08:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-11-22 00:08:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-11-22 00:08:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_tx_polling [2022-11-22 00:08:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_tx_polling [2022-11-22 00:08:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_led_control [2022-11-22 00:08:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_led_control [2022-11-22 00:08:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 00:08:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 00:08:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 00:08:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 00:08:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 00:08:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 00:08:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92ce_init_led [2022-11-22 00:08:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92ce_init_led [2022-11-22 00:08:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_watchdog [2022-11-22 00:08:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_watchdog [2022-11-22 00:08:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:08:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_llt_write [2022-11-22 00:08:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_llt_write [2022-11-22 00:08:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_stop_tx_beacon [2022-11-22 00:08:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_stop_tx_beacon [2022-11-22 00:08:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_firmware_selfreset [2022-11-22 00:08:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_firmware_selfreset [2022-11-22 00:08:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_query_rxpwrpercentage [2022-11-22 00:08:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_query_rxpwrpercentage [2022-11-22 00:08:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_write_dig [2022-11-22 00:08:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_write_dig [2022-11-22 00:08:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_bw_mode [2022-11-22 00:08:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_bw_mode [2022-11-22 00:08:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2022-11-22 00:08:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2022-11-22 00:08:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_bb_reg [2022-11-22 00:08:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_bb_reg [2022-11-22 00:08:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_lc_calibrate [2022-11-22 00:08:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_lc_calibrate [2022-11-22 00:08:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 00:08:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 00:08:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 00:08:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2022-11-22 00:08:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2022-11-22 00:08:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_simularity_compare [2022-11-22 00:08:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_simularity_compare [2022-11-22 00:08:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_pimode_switch [2022-11-22 00:08:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_pimode_switch [2022-11-22 00:08:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 00:08:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 00:08:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_powerdown_anotherphy [2022-11-22 00:08:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_powerdown_anotherphy [2022-11-22 00:08:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 00:08:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_update_bbrf_configuration [2022-11-22 00:08:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_update_bbrf_configuration [2022-11-22 00:08:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 00:08:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 00:08:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_mac_setting_calibration [2022-11-22 00:08:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_mac_setting_calibration [2022-11-22 00:08:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:08:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 00:08:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 00:08:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 00:08:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 00:08:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_get_hw_reg [2022-11-22 00:08:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_get_hw_reg [2022-11-22 00:08:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 00:08:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 00:08:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-22 00:08:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-22 00:08:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2022-11-22 00:08:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2022-11-22 00:08:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-22 00:08:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-11-22 00:08:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_suspend [2022-11-22 00:08:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_suspend [2022-11-22 00:08:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~TO~VOID [2022-11-22 00:08:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~TO~VOID [2022-11-22 00:08:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_enable_hw_security_config [2022-11-22 00:08:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_enable_hw_security_config [2022-11-22 00:08:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_config_rf_with_headerfile [2022-11-22 00:08:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_config_rf_with_headerfile [2022-11-22 00:08:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_check_bssid [2022-11-22 00:08:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_check_bssid [2022-11-22 00:08:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_set_media_status [2022-11-22 00:08:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_set_media_status [2022-11-22 00:08:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_fill_h2c_cmd [2022-11-22 00:08:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_fill_h2c_cmd [2022-11-22 00:08:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-22 00:08:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-11-22 00:08:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl92de_module_exit_6_2 [2022-11-22 00:08:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl92de_module_exit_6_2 [2022-11-22 00:08:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:08:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 00:08:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 00:08:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 00:08:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 00:08:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 00:08:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 00:08:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-22 00:08:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-22 00:08:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_beacon_related_registers [2022-11-22 00:08:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_beacon_related_registers [2022-11-22 00:08:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:08:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 00:08:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 00:08:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 00:08:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 00:08:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:08:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 00:08:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:08:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:08:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:08:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:08:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_lc_calibrate [2022-11-22 00:08:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_lc_calibrate [2022-11-22 00:08:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_iq_calibrate [2022-11-22 00:08:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_iq_calibrate [2022-11-22 00:08:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_disable_interrupt [2022-11-22 00:08:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_disable_interrupt [2022-11-22 00:08:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_acquire_cckandrw_pagea_ctl [2022-11-22 00:08:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_acquire_cckandrw_pagea_ctl [2022-11-22 00:08:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_get_desc [2022-11-22 00:08:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_get_desc [2022-11-22 00:08:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_fw_page_write [2022-11-22 00:08:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_fw_page_write [2022-11-22 00:08:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2022-11-22 00:08:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2022-11-22 00:08:22,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:08:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:08:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_set_txpower_level [2022-11-22 00:08:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_set_txpower_level [2022-11-22 00:08:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_tx_fill_cmddesc [2022-11-22 00:08:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_tx_fill_cmddesc [2022-11-22 00:08:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 00:08:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 00:08:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 00:08:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 00:08:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_sw_led_on [2022-11-22 00:08:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_sw_led_on [2022-11-22 00:08:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_reset_iqk_result [2022-11-22 00:08:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_reset_iqk_result [2022-11-22 00:08:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2022-11-22 00:08:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2022-11-22 00:08:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-22 00:08:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-22 00:08:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_resume_tx_beacon [2022-11-22 00:08:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_resume_tx_beacon [2022-11-22 00:08:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-22 00:08:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2022-11-22 00:08:22,450 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-22 00:08:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-22 00:08:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_check_fw_read_last_h2c [2022-11-22 00:08:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_check_fw_read_last_h2c [2022-11-22 00:08:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_init_sw_vars [2022-11-22 00:08:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_init_sw_vars [2022-11-22 00:08:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-22 00:08:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-22 00:08:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-11-22 00:08:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-11-22 00:08:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-11-22 00:08:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-11-22 00:08:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-22 00:08:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-22 00:08:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 00:08:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 00:08:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2022-11-22 00:08:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2022-11-22 00:08:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 00:08:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 00:08:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_set_sw_chnl_cmdarray [2022-11-22 00:08:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_set_sw_chnl_cmdarray [2022-11-22 00:08:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_enable_rf_env [2022-11-22 00:08:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_enable_rf_env [2022-11-22 00:08:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_save_mac_registers [2022-11-22 00:08:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_save_mac_registers [2022-11-22 00:08:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:08:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_restore_rf_env [2022-11-22 00:08:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_restore_rf_env [2022-11-22 00:08:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_iq_calibrate [2022-11-22 00:08:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_iq_calibrate [2022-11-22 00:08:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-22 00:08:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-22 00:08:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:08:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_resume [2022-11-22 00:08:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_resume [2022-11-22 00:08:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_get_rightchnlplace_for_iqk [2022-11-22 00:08:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_get_rightchnlplace_for_iqk [2022-11-22 00:08:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-22 00:08:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-11-22 00:08:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:08:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_read_eeprom_info [2022-11-22 00:08:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_read_eeprom_info [2022-11-22 00:08:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 00:08:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 00:08:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 00:08:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 00:08:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_rf_serial_read [2022-11-22 00:08:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_rf_serial_read [2022-11-22 00:08:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-22 00:08:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-22 00:08:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 00:08:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 00:08:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___5 [2022-11-22 00:08:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___5 [2022-11-22 00:08:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_sw_led_off [2022-11-22 00:08:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_sw_led_off [2022-11-22 00:08:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2022-11-22 00:08:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2022-11-22 00:08:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-22 00:08:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-22 00:08:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_poweroff_adapter [2022-11-22 00:08:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_poweroff_adapter [2022-11-22 00:08:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2022-11-22 00:08:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2022-11-22 00:08:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-22 00:08:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-11-22 00:08:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_path_adda_on [2022-11-22 00:08:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_path_adda_on [2022-11-22 00:08:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2022-11-22 00:08:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2022-11-22 00:08:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_calculate_bit_shift [2022-11-22 00:08:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_calculate_bit_shift [2022-11-22 00:08:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-22 00:08:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-22 00:08:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_update_channel_access_setting [2022-11-22 00:08:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_update_channel_access_setting [2022-11-22 00:08:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_reload_mac_registers [2022-11-22 00:08:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_reload_mac_registers [2022-11-22 00:08:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_save_adda_registers [2022-11-22 00:08:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_save_adda_registers [2022-11-22 00:08:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_switch_wirelessband [2022-11-22 00:08:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_switch_wirelessband [2022-11-22 00:08:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_hw_init [2022-11-22 00:08:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_hw_init [2022-11-22 00:08:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_calc_curvindex [2022-11-22 00:08:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_calc_curvindex [2022-11-22 00:08:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_beacon_interval [2022-11-22 00:08:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_beacon_interval [2022-11-22 00:08:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:08:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_hw_reg [2022-11-22 00:08:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_hw_reg [2022-11-22 00:08:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_set_bcn_ctrl_reg [2022-11-22 00:08:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_set_bcn_ctrl_reg [2022-11-22 00:08:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 00:08:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 00:08:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2022-11-22 00:08:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2022-11-22 00:08:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_set_qos [2022-11-22 00:08:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_set_qos [2022-11-22 00:08:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_linked_set_reg [2022-11-22 00:08:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_linked_set_reg [2022-11-22 00:08:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_release_cckandrw_pagea_ctl [2022-11-22 00:08:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_release_cckandrw_pagea_ctl [2022-11-22 00:08:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_dm_init_edca_turbo [2022-11-22 00:08:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_dm_init_edca_turbo [2022-11-22 00:08:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_read_dword_dbi [2022-11-22 00:08:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_read_dword_dbi [2022-11-22 00:08:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2022-11-22 00:08:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2022-11-22 00:08:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_update_interrupt_mask [2022-11-22 00:08:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_update_interrupt_mask [2022-11-22 00:08:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-22 00:08:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-22 00:08:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_enable_fw_download [2022-11-22 00:08:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_enable_fw_download [2022-11-22 00:08:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_init_sw_leds [2022-11-22 00:08:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_init_sw_leds [2022-11-22 00:08:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_query_rf_reg [2022-11-22 00:08:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_query_rf_reg [2022-11-22 00:08:22,477 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-22 00:08:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-22 00:08:22,477 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-22 00:08:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-22 00:08:22,477 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_reload_adda_registers [2022-11-22 00:08:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_reload_adda_registers [2022-11-22 00:08:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 00:08:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 00:08:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_card_disable [2022-11-22 00:08:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_card_disable [2022-11-22 00:08:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_config_bb_with_headerfile [2022-11-22 00:08:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_config_bb_with_headerfile [2022-11-22 00:08:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-11-22 00:08:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-11-22 00:08:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92de_signal_scale_mapping [2022-11-22 00:08:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92de_signal_scale_mapping [2022-11-22 00:08:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92d_phy_enable_anotherphy [2022-11-22 00:08:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92d_phy_enable_anotherphy [2022-11-22 00:08:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:08:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2022-11-22 00:08:22,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2022-11-22 00:08:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure rtl92de_write_dword_dbi [2022-11-22 00:08:22,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl92de_write_dword_dbi [2022-11-22 00:08:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 00:08:22,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 00:08:22,480 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl92d_phy_patha_fill_iqk_matrix [2022-11-22 00:08:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl92d_phy_patha_fill_iqk_matrix [2022-11-22 00:08:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-22 00:08:22,481 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-22 00:08:24,719 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:08:24,723 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:08:35,321 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 00:10:12,696 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 00:10:13,805 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:10:26,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:10:26,841 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-22 00:10:26,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:10:26 BoogieIcfgContainer [2022-11-22 00:10:26,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:10:26,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:10:26,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:10:26,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:10:26,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:08:07" (1/3) ... [2022-11-22 00:10:26,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108c29da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:10:26, skipping insertion in model container [2022-11-22 00:10:26,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:08:19" (2/3) ... [2022-11-22 00:10:26,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108c29da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:10:26, skipping insertion in model container [2022-11-22 00:10:26,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:10:26" (3/3) ... [2022-11-22 00:10:26,862 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-rtlwifi-rtl8192de-rtl8192de.cil.i [2022-11-22 00:10:26,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:10:26,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 00:10:27,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:10:27,090 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;@3f4b30d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:10:27,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 00:10:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 6846 states, 4146 states have (on average 1.360106126386879) internal successors, (5639), 4343 states have internal predecessors, (5639), 2560 states have call successors, (2560), 150 states have call predecessors, (2560), 149 states have return successors, (2551), 2460 states have call predecessors, (2551), 2551 states have call successors, (2551) [2022-11-22 00:10:27,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-11-22 00:10:27,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:27,158 INFO L195 NwaCegarLoop]: trace histogram [27, 26, 26, 26, 26, 26, 26, 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] [2022-11-22 00:10:27,159 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] === [2022-11-22 00:10:27,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:27,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1421965401, now seen corresponding path program 1 times [2022-11-22 00:10:27,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:27,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965894627] [2022-11-22 00:10:27,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:27,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2655 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2655 trivial. 0 not checked. [2022-11-22 00:10:30,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:30,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965894627] [2022-11-22 00:10:30,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965894627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:30,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:30,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:10:30,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776622955] [2022-11-22 00:10:30,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:30,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:10:30,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:30,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:10:30,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:10:30,136 INFO L87 Difference]: Start difference. First operand has 6846 states, 4146 states have (on average 1.360106126386879) internal successors, (5639), 4343 states have internal predecessors, (5639), 2560 states have call successors, (2560), 150 states have call predecessors, (2560), 149 states have return successors, (2551), 2460 states have call predecessors, (2551), 2551 states have call successors, (2551) 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, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-22 00:10:33,430 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 [] [2022-11-22 00:10:37,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:41,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:10:43,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:48,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:52,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:54,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:56,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:10:59,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:01,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:03,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:04,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:04,267 INFO L93 Difference]: Finished difference Result 11824 states and 18233 transitions. [2022-11-22 00:11:04,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:11:04,270 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, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 284 [2022-11-22 00:11:04,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:04,370 INFO L225 Difference]: With dead ends: 11824 [2022-11-22 00:11:04,371 INFO L226 Difference]: Without dead ends: 6784 [2022-11-22 00:11:04,412 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 [2022-11-22 00:11:04,417 INFO L413 NwaCegarLoop]: 6848 mSDtfsCounter, 5863 mSDsluCounter, 5531 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 11 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5871 SdHoareTripleChecker+Valid, 12379 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:04,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5871 Valid, 12379 Invalid, 1260 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 1241 Invalid, 8 Unknown, 0 Unchecked, 33.4s Time] [2022-11-22 00:11:04,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6784 states. [2022-11-22 00:11:05,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6784 to 6777. [2022-11-22 00:11:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6777 states, 4377 states have (on average 1.3703449851496459) internal successors, (5998), 4512 states have internal predecessors, (5998), 2184 states have call successors, (2184), 215 states have call predecessors, (2184), 214 states have return successors, (2187), 2112 states have call predecessors, (2187), 2181 states have call successors, (2187) [2022-11-22 00:11:05,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6777 states to 6777 states and 10369 transitions. [2022-11-22 00:11:05,403 INFO L78 Accepts]: Start accepts. Automaton has 6777 states and 10369 transitions. Word has length 284 [2022-11-22 00:11:05,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:05,409 INFO L495 AbstractCegarLoop]: Abstraction has 6777 states and 10369 transitions. [2022-11-22 00:11:05,410 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, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-22 00:11:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 6777 states and 10369 transitions. [2022-11-22 00:11:05,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-11-22 00:11:05,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:05,426 INFO L195 NwaCegarLoop]: trace histogram [27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:11:05,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:11:05,426 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] === [2022-11-22 00:11:05,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:05,427 INFO L85 PathProgramCache]: Analyzing trace with hash -144405485, now seen corresponding path program 1 times [2022-11-22 00:11:05,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:05,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067322958] [2022-11-22 00:11:05,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2652 trivial. 0 not checked. [2022-11-22 00:11:07,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:07,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067322958] [2022-11-22 00:11:07,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067322958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:07,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:07,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:11:07,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945117364] [2022-11-22 00:11:07,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:07,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:11:07,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:07,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:11:07,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:11:07,696 INFO L87 Difference]: Start difference. First operand 6777 states and 10369 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-22 00:11:11,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:14,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:15,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:11:18,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:11:21,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:23,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:27,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:30,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:33,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:36,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:38,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:40,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:41,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:41,256 INFO L93 Difference]: Finished difference Result 17390 states and 26592 transitions. [2022-11-22 00:11:41,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:11:41,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 291 [2022-11-22 00:11:41,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:41,356 INFO L225 Difference]: With dead ends: 17390 [2022-11-22 00:11:41,357 INFO L226 Difference]: Without dead ends: 10666 [2022-11-22 00:11:41,395 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 [2022-11-22 00:11:41,396 INFO L413 NwaCegarLoop]: 5856 mSDtfsCounter, 4709 mSDsluCounter, 4780 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 16 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4717 SdHoareTripleChecker+Valid, 10636 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:41,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4717 Valid, 10636 Invalid, 1158 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 1134 Invalid, 8 Unknown, 0 Unchecked, 32.9s Time] [2022-11-22 00:11:41,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10666 states. [2022-11-22 00:11:42,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10666 to 10648. [2022-11-22 00:11:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10648 states, 6856 states have (on average 1.366977829638273) internal successors, (9372), 7083 states have internal predecessors, (9372), 3436 states have call successors, (3436), 356 states have call predecessors, (3436), 354 states have return successors, (3447), 3312 states have call predecessors, (3447), 3433 states have call successors, (3447) [2022-11-22 00:11:42,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10648 states to 10648 states and 16255 transitions. [2022-11-22 00:11:42,633 INFO L78 Accepts]: Start accepts. Automaton has 10648 states and 16255 transitions. Word has length 291 [2022-11-22 00:11:42,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:42,639 INFO L495 AbstractCegarLoop]: Abstraction has 10648 states and 16255 transitions. [2022-11-22 00:11:42,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-22 00:11:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 10648 states and 16255 transitions. [2022-11-22 00:11:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-22 00:11:42,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:42,653 INFO L195 NwaCegarLoop]: trace histogram [27, 26, 26, 26, 26, 26, 26, 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] [2022-11-22 00:11:42,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:11:42,654 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] === [2022-11-22 00:11:42,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:42,655 INFO L85 PathProgramCache]: Analyzing trace with hash 960534840, now seen corresponding path program 1 times [2022-11-22 00:11:42,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:42,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256972759] [2022-11-22 00:11:42,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:42,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:44,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2655 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2655 trivial. 0 not checked. [2022-11-22 00:11:44,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:11:44,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256972759] [2022-11-22 00:11:44,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256972759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:44,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:44,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:11:44,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757567510] [2022-11-22 00:11:44,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:44,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:11:44,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:11:44,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:11:44,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:11:44,572 INFO L87 Difference]: Start difference. First operand 10648 states and 16255 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-22 00:11:47,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:50,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:11:54,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:11:57,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:02,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:05,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:07,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:11,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:13,603 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 [] [2022-11-22 00:12:13,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:13,859 INFO L93 Difference]: Finished difference Result 27365 states and 41785 transitions. [2022-11-22 00:12:13,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:12:13,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 310 [2022-11-22 00:12:13,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:14,015 INFO L225 Difference]: With dead ends: 27365 [2022-11-22 00:12:14,016 INFO L226 Difference]: Without dead ends: 16770 [2022-11-22 00:12:14,077 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 [2022-11-22 00:12:14,081 INFO L413 NwaCegarLoop]: 5930 mSDtfsCounter, 4734 mSDsluCounter, 4791 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 12 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4742 SdHoareTripleChecker+Valid, 10721 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:14,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4742 Valid, 10721 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1141 Invalid, 8 Unknown, 0 Unchecked, 28.6s Time] [2022-11-22 00:12:14,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16770 states. [2022-11-22 00:12:15,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16770 to 16748. [2022-11-22 00:12:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16748 states, 10789 states have (on average 1.3662990082491426) internal successors, (14741), 11161 states have internal predecessors, (14741), 5397 states have call successors, (5397), 563 states have call predecessors, (5397), 560 states have return successors, (5420), 5187 states have call predecessors, (5420), 5394 states have call successors, (5420) [2022-11-22 00:12:16,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16748 states to 16748 states and 25558 transitions. [2022-11-22 00:12:16,117 INFO L78 Accepts]: Start accepts. Automaton has 16748 states and 25558 transitions. Word has length 310 [2022-11-22 00:12:16,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:12:16,119 INFO L495 AbstractCegarLoop]: Abstraction has 16748 states and 25558 transitions. [2022-11-22 00:12:16,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-22 00:12:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 16748 states and 25558 transitions. [2022-11-22 00:12:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-11-22 00:12:16,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:12:16,141 INFO L195 NwaCegarLoop]: trace histogram [30, 26, 26, 26, 26, 26, 26, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:12:16,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:12:16,142 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] === [2022-11-22 00:12:16,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:12:16,143 INFO L85 PathProgramCache]: Analyzing trace with hash 911076170, now seen corresponding path program 1 times [2022-11-22 00:12:16,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:12:16,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825793722] [2022-11-22 00:12:16,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:12:16,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:12:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:12:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2866 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2866 trivial. 0 not checked. [2022-11-22 00:12:19,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:12:19,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825793722] [2022-11-22 00:12:19,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825793722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:12:19,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:12:19,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:12:19,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021700179] [2022-11-22 00:12:19,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:12:19,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:12:19,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:12:19,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:12:19,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:12:19,946 INFO L87 Difference]: Start difference. First operand 16748 states and 25558 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-22 00:12:23,199 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 [] [2022-11-22 00:12:26,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:31,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:12:35,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:39,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:42,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:45,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:47,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:50,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:52,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:54,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:57,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:12:59,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:12:59,134 INFO L93 Difference]: Finished difference Result 29434 states and 44932 transitions. [2022-11-22 00:12:59,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:12:59,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 349 [2022-11-22 00:12:59,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:12:59,323 INFO L225 Difference]: With dead ends: 29434 [2022-11-22 00:12:59,324 INFO L226 Difference]: Without dead ends: 29395 [2022-11-22 00:12:59,340 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 [2022-11-22 00:12:59,344 INFO L413 NwaCegarLoop]: 6054 mSDtfsCounter, 5071 mSDsluCounter, 10789 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5079 SdHoareTripleChecker+Valid, 16843 SdHoareTripleChecker+Invalid, 1722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:12:59,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5079 Valid, 16843 Invalid, 1722 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1713 Invalid, 9 Unknown, 0 Unchecked, 38.1s Time] [2022-11-22 00:12:59,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29395 states. [2022-11-22 00:13:02,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29395 to 29383. [2022-11-22 00:13:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29383 states, 18944 states have (on average 1.3667124155405406) internal successors, (25891), 19591 states have internal predecessors, (25891), 9452 states have call successors, (9452), 988 states have call predecessors, (9452), 985 states have return successors, (9505), 9088 states have call predecessors, (9505), 9449 states have call successors, (9505) [2022-11-22 00:13:02,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29383 states to 29383 states and 44848 transitions. [2022-11-22 00:13:02,768 INFO L78 Accepts]: Start accepts. Automaton has 29383 states and 44848 transitions. Word has length 349 [2022-11-22 00:13:02,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:13:02,769 INFO L495 AbstractCegarLoop]: Abstraction has 29383 states and 44848 transitions. [2022-11-22 00:13:02,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-22 00:13:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 29383 states and 44848 transitions. [2022-11-22 00:13:02,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-22 00:13:02,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:13:02,789 INFO L195 NwaCegarLoop]: trace histogram [28, 26, 26, 26, 26, 26, 26, 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] [2022-11-22 00:13:02,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:13:02,790 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:13:02,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:13:02,790 INFO L85 PathProgramCache]: Analyzing trace with hash -579811310, now seen corresponding path program 1 times [2022-11-22 00:13:02,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:13:02,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869299408] [2022-11-22 00:13:02,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:13:02,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms