./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS --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 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a --- 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-8393723 [2022-11-19 07:57:22,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:57:22,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:57:22,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:57:22,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:57:22,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:57:22,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:57:22,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:57:22,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:57:22,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:57:22,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:57:22,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:57:22,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:57:22,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:57:22,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:57:22,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:57:22,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:57:22,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:57:22,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:57:22,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:57:22,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:57:22,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:57:22,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:57:22,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:57:22,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:57:22,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:57:22,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:57:22,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:57:22,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:57:22,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:57:22,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:57:22,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:57:22,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:57:22,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:57:22,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:57:22,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:57:22,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:57:22,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:57:22,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:57:22,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:57:22,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:57:22,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:57:23,038 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:57:23,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:57:23,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:57:23,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:57:23,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:57:23,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:57:23,042 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:57:23,042 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:57:23,043 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:57:23,043 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:57:23,044 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:57:23,044 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:57:23,045 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:57:23,045 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:57:23,045 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:57:23,046 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:57:23,046 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:57:23,046 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:57:23,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:57:23,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:57:23,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:57:23,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:57:23,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:57:23,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:57:23,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:57:23,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:57:23,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:57:23,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:57:23,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:57:23,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:57:23,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:57:23,053 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:57:23,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:57:23,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:57:23,053 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:57:23,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:57:23,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:57:23,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:57:23,055 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_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2022-11-19 07:57:23,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:57:23,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:57:23,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:57:23,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:57:23,396 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:57:23,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-19 07:57:23,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/data/7b4ae079e/f34eefd487244913ae6b26c4dc42ace6/FLAG5dbd7e125 [2022-11-19 07:57:24,850 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:57:24,851 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-19 07:57:24,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/data/7b4ae079e/f34eefd487244913ae6b26c4dc42ace6/FLAG5dbd7e125 [2022-11-19 07:57:24,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/data/7b4ae079e/f34eefd487244913ae6b26c4dc42ace6 [2022-11-19 07:57:25,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:57:25,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:57:25,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:57:25,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:57:25,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:57:25,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:25" (1/1) ... [2022-11-19 07:57:25,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28962157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:25, skipping insertion in model container [2022-11-19 07:57:25,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:25" (1/1) ... [2022-11-19 07:57:25,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:57:25,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:57:26,986 WARN L234 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_17e1d4dc-1c68-42ef-958c-80fa14382d83/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-19 07:57:33,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:57:33,094 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:57:33,259 WARN L234 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_17e1d4dc-1c68-42ef-958c-80fa14382d83/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2022-11-19 07:57:34,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:57:34,417 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:57:34,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34 WrapperNode [2022-11-19 07:57:34,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:57:34,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:57:34,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:57:34,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:57:34,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2022-11-19 07:57:34,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2022-11-19 07:57:35,088 INFO L138 Inliner]: procedures = 713, calls = 6665, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13204 [2022-11-19 07:57:35,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:57:35,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:57:35,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:57:35,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:57:35,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2022-11-19 07:57:35,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2022-11-19 07:57:35,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2022-11-19 07:57:35,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2022-11-19 07:57:35,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2022-11-19 07:57:35,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2022-11-19 07:57:36,117 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2022-11-19 07:57:36,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2022-11-19 07:57:36,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:57:36,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:57:36,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:57:36,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:57:36,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (1/1) ... [2022-11-19 07:57:36,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:57:36,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:57:36,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:57:36,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e1d4dc-1c68-42ef-958c-80fa14382d83/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:57:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2022-11-19 07:57:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2022-11-19 07:57:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2022-11-19 07:57:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2022-11-19 07:57:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-19 07:57:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-19 07:57:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2022-11-19 07:57:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2022-11-19 07:57:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2022-11-19 07:57:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2022-11-19 07:57:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2022-11-19 07:57:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2022-11-19 07:57:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-19 07:57:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-19 07:57:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2022-11-19 07:57:36,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2022-11-19 07:57:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-19 07:57:36,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-19 07:57:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2022-11-19 07:57:36,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2022-11-19 07:57:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2022-11-19 07:57:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2022-11-19 07:57:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-19 07:57:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-19 07:57:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2022-11-19 07:57:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2022-11-19 07:57:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:57:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:57:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2022-11-19 07:57:36,594 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2022-11-19 07:57:36,594 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2022-11-19 07:57:36,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2022-11-19 07:57:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2022-11-19 07:57:36,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2022-11-19 07:57:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-19 07:57:36,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-19 07:57:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2022-11-19 07:57:36,609 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2022-11-19 07:57:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2022-11-19 07:57:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2022-11-19 07:57:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2022-11-19 07:57:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2022-11-19 07:57:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2022-11-19 07:57:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2022-11-19 07:57:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2022-11-19 07:57:36,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2022-11-19 07:57:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:57:36,612 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:57:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2022-11-19 07:57:36,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2022-11-19 07:57:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2022-11-19 07:57:36,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2022-11-19 07:57:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2022-11-19 07:57:36,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2022-11-19 07:57:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2022-11-19 07:57:36,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2022-11-19 07:57:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2022-11-19 07:57:36,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2022-11-19 07:57:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2022-11-19 07:57:36,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2022-11-19 07:57:36,635 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2022-11-19 07:57:36,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2022-11-19 07:57:36,635 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:57:36,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:57:36,636 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2022-11-19 07:57:36,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2022-11-19 07:57:36,636 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2022-11-19 07:57:36,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2022-11-19 07:57:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2022-11-19 07:57:36,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2022-11-19 07:57:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2022-11-19 07:57:36,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2022-11-19 07:57:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2022-11-19 07:57:36,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2022-11-19 07:57:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2022-11-19 07:57:36,638 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2022-11-19 07:57:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2022-11-19 07:57:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2022-11-19 07:57:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-19 07:57:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2022-11-19 07:57:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2022-11-19 07:57:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:57:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:57:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2022-11-19 07:57:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2022-11-19 07:57:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2022-11-19 07:57:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2022-11-19 07:57:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2022-11-19 07:57:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2022-11-19 07:57:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2022-11-19 07:57:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2022-11-19 07:57:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2022-11-19 07:57:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2022-11-19 07:57:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:57:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2022-11-19 07:57:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2022-11-19 07:57:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2022-11-19 07:57:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2022-11-19 07:57:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-19 07:57:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-19 07:57:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 07:57:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 07:57:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-19 07:57:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-19 07:57:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-19 07:57:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-19 07:57:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2022-11-19 07:57:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2022-11-19 07:57:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2022-11-19 07:57:36,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2022-11-19 07:57:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:57:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:57:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2022-11-19 07:57:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2022-11-19 07:57:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-19 07:57:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-19 07:57:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2022-11-19 07:57:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2022-11-19 07:57:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2022-11-19 07:57:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2022-11-19 07:57:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:57:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 07:57:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 07:57:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2022-11-19 07:57:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2022-11-19 07:57:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2022-11-19 07:57:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2022-11-19 07:57:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2022-11-19 07:57:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2022-11-19 07:57:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:57:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:57:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:57:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2022-11-19 07:57:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2022-11-19 07:57:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2022-11-19 07:57:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2022-11-19 07:57:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-19 07:57:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-19 07:57:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2022-11-19 07:57:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2022-11-19 07:57:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:57:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-19 07:57:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-19 07:57:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:57:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:57:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-19 07:57:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-19 07:57:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2022-11-19 07:57:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2022-11-19 07:57:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2022-11-19 07:57:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2022-11-19 07:57:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-19 07:57:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-19 07:57:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-19 07:57:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-19 07:57:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-19 07:57:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-19 07:57:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2022-11-19 07:57:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2022-11-19 07:57:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-19 07:57:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-19 07:57:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2022-11-19 07:57:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2022-11-19 07:57:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2022-11-19 07:57:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2022-11-19 07:57:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2022-11-19 07:57:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2022-11-19 07:57:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 07:57:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 07:57:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2022-11-19 07:57:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2022-11-19 07:57:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2022-11-19 07:57:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2022-11-19 07:57:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2022-11-19 07:57:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2022-11-19 07:57:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-19 07:57:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-19 07:57:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-19 07:57:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2022-11-19 07:57:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2022-11-19 07:57:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:57:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-19 07:57:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-19 07:57:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-19 07:57:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-19 07:57:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2022-11-19 07:57:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2022-11-19 07:57:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:57:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2022-11-19 07:57:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2022-11-19 07:57:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-19 07:57:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-19 07:57:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2022-11-19 07:57:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2022-11-19 07:57:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-19 07:57:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-19 07:57:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:57:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:57:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2022-11-19 07:57:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2022-11-19 07:57:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:57:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:57:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-19 07:57:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2022-11-19 07:57:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2022-11-19 07:57:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2022-11-19 07:57:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-19 07:57:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-19 07:57:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-19 07:57:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-19 07:57:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2022-11-19 07:57:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2022-11-19 07:57:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2022-11-19 07:57:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2022-11-19 07:57:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 07:57:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 07:57:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-19 07:57:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-19 07:57:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2022-11-19 07:57:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2022-11-19 07:57:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-19 07:57:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-19 07:57:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 07:57:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 07:57:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:57:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:57:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-19 07:57:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-19 07:57:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2022-11-19 07:57:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2022-11-19 07:57:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2022-11-19 07:57:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2022-11-19 07:57:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2022-11-19 07:57:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2022-11-19 07:57:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 07:57:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 07:57:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2022-11-19 07:57:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2022-11-19 07:57:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2022-11-19 07:57:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2022-11-19 07:57:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-19 07:57:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-19 07:57:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:57:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:57:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2022-11-19 07:57:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2022-11-19 07:57:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-19 07:57:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-19 07:57:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:57:36,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:57:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-19 07:57:36,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-19 07:57:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2022-11-19 07:57:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2022-11-19 07:57:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-19 07:57:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-19 07:57:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2022-11-19 07:57:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2022-11-19 07:57:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-19 07:57:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-19 07:57:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2022-11-19 07:57:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2022-11-19 07:57:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2022-11-19 07:57:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2022-11-19 07:57:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2022-11-19 07:57:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2022-11-19 07:57:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-19 07:57:36,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-19 07:57:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2022-11-19 07:57:36,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2022-11-19 07:57:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:57:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:57:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:57:36,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:57:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-19 07:57:36,729 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-19 07:57:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2022-11-19 07:57:36,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2022-11-19 07:57:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-19 07:57:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-19 07:57:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-11-19 07:57:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-11-19 07:57:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-19 07:57:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-19 07:57:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2022-11-19 07:57:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2022-11-19 07:57:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2022-11-19 07:57:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2022-11-19 07:57:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2022-11-19 07:57:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2022-11-19 07:57:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2022-11-19 07:57:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2022-11-19 07:57:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2022-11-19 07:57:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2022-11-19 07:57:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2022-11-19 07:57:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2022-11-19 07:57:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-19 07:57:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-19 07:57:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:57:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:57:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-19 07:57:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-19 07:57:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-19 07:57:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-19 07:57:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:57:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:57:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-19 07:57:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-19 07:57:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-19 07:57:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-19 07:57:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2022-11-19 07:57:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2022-11-19 07:57:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 07:57:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 07:57:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2022-11-19 07:57:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2022-11-19 07:57:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:57:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:57:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:57:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:57:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-19 07:57:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2022-11-19 07:57:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-19 07:57:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-19 07:57:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2022-11-19 07:57:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2022-11-19 07:57:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2022-11-19 07:57:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2022-11-19 07:57:36,739 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-19 07:57:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-19 07:57:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2022-11-19 07:57:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2022-11-19 07:57:36,740 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2022-11-19 07:57:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2022-11-19 07:57:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-19 07:57:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-19 07:57:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2022-11-19 07:57:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2022-11-19 07:57:36,741 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2022-11-19 07:57:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2022-11-19 07:57:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:57:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:57:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:57:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-19 07:57:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-19 07:57:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:57:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-19 07:57:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-19 07:57:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-19 07:57:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-19 07:57:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-19 07:57:36,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-19 07:57:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2022-11-19 07:57:36,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2022-11-19 07:57:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2022-11-19 07:57:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2022-11-19 07:57:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-19 07:57:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-19 07:57:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2022-11-19 07:57:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2022-11-19 07:57:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2022-11-19 07:57:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2022-11-19 07:57:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:57:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2022-11-19 07:57:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2022-11-19 07:57:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2022-11-19 07:57:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2022-11-19 07:57:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2022-11-19 07:57:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2022-11-19 07:57:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2022-11-19 07:57:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2022-11-19 07:57:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 07:57:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 07:57:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-19 07:57:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-19 07:57:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-19 07:57:36,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-19 07:57:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2022-11-19 07:57:36,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2022-11-19 07:57:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 07:57:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 07:57:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 07:57:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 07:57:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-19 07:57:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-19 07:57:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-19 07:57:36,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-19 07:57:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 07:57:36,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 07:57:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-19 07:57:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-19 07:57:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2022-11-19 07:57:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2022-11-19 07:57:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-19 07:57:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-19 07:57:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:57:36,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:57:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2022-11-19 07:57:36,754 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2022-11-19 07:57:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-11-19 07:57:36,754 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-11-19 07:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-19 07:57:36,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-19 07:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 07:57:36,755 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 07:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-19 07:57:36,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-19 07:57:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-19 07:57:36,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-19 07:57:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2022-11-19 07:57:36,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2022-11-19 07:57:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:57:36,757 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:57:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2022-11-19 07:57:36,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2022-11-19 07:57:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-19 07:57:36,758 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-19 07:57:36,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2022-11-19 07:57:36,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2022-11-19 07:57:36,758 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-19 07:57:36,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-19 07:57:36,758 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:57:36,759 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:57:36,759 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-19 07:57:36,759 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-19 07:57:36,759 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2022-11-19 07:57:36,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2022-11-19 07:57:36,760 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-19 07:57:36,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2022-11-19 07:57:36,760 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2022-11-19 07:57:36,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2022-11-19 07:57:36,760 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-19 07:57:36,761 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-19 07:57:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:57:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2022-11-19 07:57:36,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2022-11-19 07:57:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-19 07:57:36,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-19 07:57:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:57:36,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:57:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2022-11-19 07:57:36,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2022-11-19 07:57:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-19 07:57:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-19 07:57:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 07:57:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 07:57:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-19 07:57:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-19 07:57:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-19 07:57:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2022-11-19 07:57:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2022-11-19 07:57:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2022-11-19 07:57:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-19 07:57:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-19 07:57:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2022-11-19 07:57:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2022-11-19 07:57:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2022-11-19 07:57:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2022-11-19 07:57:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2022-11-19 07:57:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2022-11-19 07:57:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2022-11-19 07:57:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2022-11-19 07:57:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-19 07:57:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-19 07:57:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-19 07:57:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-19 07:57:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-19 07:57:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-19 07:57:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2022-11-19 07:57:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2022-11-19 07:57:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-11-19 07:57:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-11-19 07:57:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2022-11-19 07:57:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2022-11-19 07:57:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-19 07:57:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2022-11-19 07:57:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2022-11-19 07:57:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2022-11-19 07:57:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2022-11-19 07:57:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2022-11-19 07:57:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2022-11-19 07:57:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2022-11-19 07:57:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 07:57:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 07:57:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:57:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:57:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-19 07:57:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-19 07:57:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2022-11-19 07:57:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2022-11-19 07:57:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-19 07:57:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-19 07:57:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2022-11-19 07:57:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2022-11-19 07:57:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:57:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2022-11-19 07:57:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2022-11-19 07:57:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2022-11-19 07:57:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2022-11-19 07:57:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2022-11-19 07:57:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2022-11-19 07:57:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2022-11-19 07:57:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2022-11-19 07:57:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2022-11-19 07:57:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2022-11-19 07:57:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2022-11-19 07:57:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2022-11-19 07:57:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-19 07:57:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-19 07:57:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-19 07:57:39,082 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:57:39,087 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:57:40,089 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:57:57,573 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:58:05,995 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:58:05,996 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-19 07:58:06,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:06 BoogieIcfgContainer [2022-11-19 07:58:06,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:58:06,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:58:06,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:58:06,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:58:06,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:57:25" (1/3) ... [2022-11-19 07:58:06,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b1d3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:06, skipping insertion in model container [2022-11-19 07:58:06,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:34" (2/3) ... [2022-11-19 07:58:06,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b1d3e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:58:06, skipping insertion in model container [2022-11-19 07:58:06,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:06" (3/3) ... [2022-11-19 07:58:06,025 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2022-11-19 07:58:06,053 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:58:06,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:58:06,249 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:58:06,264 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;@613cb1c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:58:06,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:58:06,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 3572 states, 2077 states have (on average 1.3071738083774675) internal successors, (2715), 2186 states have internal predecessors, (2715), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) [2022-11-19 07:58:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-19 07:58:06,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:06,323 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:58:06,324 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:58:06,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:06,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1485674962, now seen corresponding path program 1 times [2022-11-19 07:58:06,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:06,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298512184] [2022-11-19 07:58:06,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 07:58:08,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:08,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298512184] [2022-11-19 07:58:08,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298512184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:08,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:08,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:58:08,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407117887] [2022-11-19 07:58:08,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:08,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:58:08,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:08,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:58:08,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:58:08,138 INFO L87 Difference]: Start difference. First operand has 3572 states, 2077 states have (on average 1.3071738083774675) internal successors, (2715), 2186 states have internal predecessors, (2715), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:58:18,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:18,915 INFO L93 Difference]: Finished difference Result 10653 states and 15903 transitions. [2022-11-19 07:58:18,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:58:18,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-19 07:58:18,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:19,022 INFO L225 Difference]: With dead ends: 10653 [2022-11-19 07:58:19,023 INFO L226 Difference]: Without dead ends: 7050 [2022-11-19 07:58:19,079 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 [2022-11-19 07:58:19,084 INFO L413 NwaCegarLoop]: 5932 mSDtfsCounter, 5101 mSDsluCounter, 4709 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5101 SdHoareTripleChecker+Valid, 10641 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:19,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5101 Valid, 10641 Invalid, 964 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-19 07:58:19,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7050 states. [2022-11-19 07:58:19,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7050 to 7050. [2022-11-19 07:58:19,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7050 states, 4119 states have (on average 1.298373391599903) internal successors, (5348), 4303 states have internal predecessors, (5348), 2444 states have call successors, (2444), 487 states have call predecessors, (2444), 486 states have return successors, (2443), 2389 states have call predecessors, (2443), 2443 states have call successors, (2443) [2022-11-19 07:58:19,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7050 states to 7050 states and 10235 transitions. [2022-11-19 07:58:19,972 INFO L78 Accepts]: Start accepts. Automaton has 7050 states and 10235 transitions. Word has length 32 [2022-11-19 07:58:19,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:58:19,973 INFO L495 AbstractCegarLoop]: Abstraction has 7050 states and 10235 transitions. [2022-11-19 07:58:19,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:58:19,974 INFO L276 IsEmpty]: Start isEmpty. Operand 7050 states and 10235 transitions. [2022-11-19 07:58:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-19 07:58:19,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:19,986 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:58:19,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:58:19,987 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:58:19,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:19,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1534645740, now seen corresponding path program 1 times [2022-11-19 07:58:19,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:19,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938499476] [2022-11-19 07:58:19,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:19,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-19 07:58:21,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:21,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938499476] [2022-11-19 07:58:21,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938499476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:21,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:21,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:58:21,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794010569] [2022-11-19 07:58:21,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:21,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:58:21,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:21,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:58:21,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:58:21,345 INFO L87 Difference]: Start difference. First operand 7050 states and 10235 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:58:25,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:58:34,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:34,662 INFO L93 Difference]: Finished difference Result 14095 states and 20861 transitions. [2022-11-19 07:58:34,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:58:34,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2022-11-19 07:58:34,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:34,870 INFO L225 Difference]: With dead ends: 14095 [2022-11-19 07:58:34,871 INFO L226 Difference]: Without dead ends: 14090 [2022-11-19 07:58:34,895 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 [2022-11-19 07:58:34,897 INFO L413 NwaCegarLoop]: 6356 mSDtfsCounter, 5132 mSDsluCounter, 11230 mSDsCounter, 0 mSdLazyCounter, 1511 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5132 SdHoareTripleChecker+Valid, 17586 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:34,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5132 Valid, 17586 Invalid, 1512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1511 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-11-19 07:58:34,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14090 states. [2022-11-19 07:58:35,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14090 to 14082. [2022-11-19 07:58:35,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14082 states, 8224 states have (on average 1.2983949416342413) internal successors, (10678), 8592 states have internal predecessors, (10678), 4885 states have call successors, (4885), 973 states have call predecessors, (4885), 972 states have return successors, (5282), 4776 states have call predecessors, (5282), 4884 states have call successors, (5282) [2022-11-19 07:58:36,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14082 states to 14082 states and 20845 transitions. [2022-11-19 07:58:36,074 INFO L78 Accepts]: Start accepts. Automaton has 14082 states and 20845 transitions. Word has length 40 [2022-11-19 07:58:36,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:58:36,074 INFO L495 AbstractCegarLoop]: Abstraction has 14082 states and 20845 transitions. [2022-11-19 07:58:36,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:58:36,076 INFO L276 IsEmpty]: Start isEmpty. Operand 14082 states and 20845 transitions. [2022-11-19 07:58:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-19 07:58:36,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:36,101 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:58:36,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:58:36,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:58:36,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:36,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2015683625, now seen corresponding path program 1 times [2022-11-19 07:58:36,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:36,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198436359] [2022-11-19 07:58:36,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:36,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:37,014 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-19 07:58:37,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:37,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198436359] [2022-11-19 07:58:37,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198436359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:37,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:37,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:58:37,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838211043] [2022-11-19 07:58:37,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:37,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:58:37,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:37,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:58:37,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:58:37,022 INFO L87 Difference]: Start difference. First operand 14082 states and 20845 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:58:39,676 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 [] [2022-11-19 07:58:47,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:47,257 INFO L93 Difference]: Finished difference Result 41916 states and 62025 transitions. [2022-11-19 07:58:47,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:58:47,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 129 [2022-11-19 07:58:47,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:47,494 INFO L225 Difference]: With dead ends: 41916 [2022-11-19 07:58:47,495 INFO L226 Difference]: Without dead ends: 27839 [2022-11-19 07:58:47,598 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 [2022-11-19 07:58:47,601 INFO L413 NwaCegarLoop]: 5899 mSDtfsCounter, 5004 mSDsluCounter, 4670 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5007 SdHoareTripleChecker+Valid, 10569 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:47,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5007 Valid, 10569 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 964 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-11-19 07:58:47,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27839 states. [2022-11-19 07:58:49,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27839 to 27832. [2022-11-19 07:58:49,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27832 states, 16250 states have (on average 1.2983384615384614) internal successors, (21098), 16980 states have internal predecessors, (21098), 9637 states have call successors, (9637), 1945 states have call predecessors, (9637), 1944 states have return successors, (10442), 9422 states have call predecessors, (10442), 9636 states have call successors, (10442) [2022-11-19 07:58:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27832 states to 27832 states and 41177 transitions. [2022-11-19 07:58:49,916 INFO L78 Accepts]: Start accepts. Automaton has 27832 states and 41177 transitions. Word has length 129 [2022-11-19 07:58:49,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:58:49,917 INFO L495 AbstractCegarLoop]: Abstraction has 27832 states and 41177 transitions. [2022-11-19 07:58:49,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:58:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27832 states and 41177 transitions. [2022-11-19 07:58:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-19 07:58:49,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:49,931 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:58:49,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:58:49,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:58:49,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:49,932 INFO L85 PathProgramCache]: Analyzing trace with hash -199754174, now seen corresponding path program 1 times [2022-11-19 07:58:49,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:49,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127506978] [2022-11-19 07:58:49,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:49,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:50,765 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-19 07:58:50,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:50,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127506978] [2022-11-19 07:58:50,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127506978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:50,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:50,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:58:50,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984084518] [2022-11-19 07:58:50,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:50,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:58:50,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:50,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:58:50,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:58:50,772 INFO L87 Difference]: Start difference. First operand 27832 states and 41177 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:58:57,061 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 [] [2022-11-19 07:59:02,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:59:02,808 INFO L93 Difference]: Finished difference Result 82988 states and 122781 transitions. [2022-11-19 07:59:02,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:59:02,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2022-11-19 07:59:02,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:59:03,337 INFO L225 Difference]: With dead ends: 82988 [2022-11-19 07:59:03,337 INFO L226 Difference]: Without dead ends: 55161 [2022-11-19 07:59:03,533 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 [2022-11-19 07:59:03,535 INFO L413 NwaCegarLoop]: 6014 mSDtfsCounter, 5016 mSDsluCounter, 4669 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5016 SdHoareTripleChecker+Valid, 10683 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:59:03,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5016 Valid, 10683 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 962 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-11-19 07:59:03,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55161 states. [2022-11-19 07:59:07,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55161 to 55152. [2022-11-19 07:59:07,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55152 states, 32178 states have (on average 1.2983404810740258) internal successors, (41778), 33640 states have internal predecessors, (41778), 19117 states have call successors, (19117), 3857 states have call predecessors, (19117), 3856 states have return successors, (20700), 18686 states have call predecessors, (20700), 19116 states have call successors, (20700) [2022-11-19 07:59:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55152 states to 55152 states and 81595 transitions. [2022-11-19 07:59:08,663 INFO L78 Accepts]: Start accepts. Automaton has 55152 states and 81595 transitions. Word has length 133 [2022-11-19 07:59:08,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:59:08,666 INFO L495 AbstractCegarLoop]: Abstraction has 55152 states and 81595 transitions. [2022-11-19 07:59:08,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:59:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 55152 states and 81595 transitions. [2022-11-19 07:59:08,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-19 07:59:08,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:59:08,680 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:59:08,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:59:08,681 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:59:08,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:59:08,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2116305926, now seen corresponding path program 1 times [2022-11-19 07:59:08,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:59:08,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930507622] [2022-11-19 07:59:08,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:59:08,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:59:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:59:09,534 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-19 07:59:09,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:59:09,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930507622] [2022-11-19 07:59:09,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930507622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:59:09,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:59:09,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:59:09,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203036727] [2022-11-19 07:59:09,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:59:09,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:59:09,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:59:09,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:59:09,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:59:09,538 INFO L87 Difference]: Start difference. First operand 55152 states and 81595 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:59:12,056 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 [] [2022-11-19 07:59:23,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:59:23,144 INFO L93 Difference]: Finished difference Result 164372 states and 243107 transitions. [2022-11-19 07:59:23,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:59:23,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 132 [2022-11-19 07:59:23,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:59:24,072 INFO L225 Difference]: With dead ends: 164372 [2022-11-19 07:59:24,073 INFO L226 Difference]: Without dead ends: 109225 [2022-11-19 07:59:24,654 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 [2022-11-19 07:59:24,658 INFO L413 NwaCegarLoop]: 6565 mSDtfsCounter, 4980 mSDsluCounter, 4670 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4983 SdHoareTripleChecker+Valid, 11235 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:59:24,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4983 Valid, 11235 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1036 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-11-19 07:59:24,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109225 states. [2022-11-19 07:59:30,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109225 to 109216. [2022-11-19 07:59:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109216 states, 63702 states have (on average 1.2983893755298106) internal successors, (82710), 66612 states have internal predecessors, (82710), 37801 states have call successors, (37801), 7713 states have call predecessors, (37801), 7712 states have return successors, (40984), 36946 states have call predecessors, (40984), 37800 states have call successors, (40984) [2022-11-19 07:59:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109216 states to 109216 states and 161495 transitions. [2022-11-19 07:59:31,739 INFO L78 Accepts]: Start accepts. Automaton has 109216 states and 161495 transitions. Word has length 132 [2022-11-19 07:59:31,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:59:31,740 INFO L495 AbstractCegarLoop]: Abstraction has 109216 states and 161495 transitions. [2022-11-19 07:59:31,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:59:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 109216 states and 161495 transitions. [2022-11-19 07:59:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-19 07:59:31,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:59:31,757 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:59:31,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:59:31,758 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:59:31,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:59:31,759 INFO L85 PathProgramCache]: Analyzing trace with hash 892596700, now seen corresponding path program 1 times [2022-11-19 07:59:31,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:59:31,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427073768] [2022-11-19 07:59:31,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:59:31,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:59:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:59:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-19 07:59:32,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:59:32,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427073768] [2022-11-19 07:59:32,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427073768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:59:32,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:59:32,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:59:32,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333955301] [2022-11-19 07:59:32,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:59:32,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:59:32,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:59:32,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:59:32,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:59:32,360 INFO L87 Difference]: Start difference. First operand 109216 states and 161495 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:59:37,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []